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Millions Are Overpaying – But Octopus Just Quietly Launched a Fixed Tariff That Beats the Price Cap!

⏱️ Estimated read time: 4–5 minutes. Or just check out the 🔎 Quick Summary below if you’re short on time!

• Octopus’s new 12-month fixed is ~10% cheaper than the April 2025 Price Cap.

• It also beats the predicted July price cap drop by around 4%.

• No exit fees – you can leave if something better comes along.

• You don’t need a smart meter.

• Get £50 free energy credit with my Octopus referral link.
  👉 Switch now and get £50 credit

Written by Sarah Chambers

Why millions are still overpaying on the April Energy Price Cap.

If you’re still on the April 2025 Price Cap, you’re probably paying more than you need to.

That’s because the price cap was set using wholesale energy prices from December 2024 to February 2025, when prices were much higher than they are today. Since then, wholesale prices have dropped – but the cap hasn’t caught up.

A Cheaper Option from Octopus Energy – Octopus 12 Month Fixed Tariff April version 1.

Octopus is now offering a 12-month fixed tariff that’s around 10% cheaper than the current cap. It’s a rare opportunity to save money right now, without waiting for the next cap change in July.

In a nutshell:
✅ Cheaper than the April cap
✅ Beats July forecast
✅ No exit fees
✅ No smart meter is required

📊 A quick comparison

Here’s how it stacks up (based on a typical dual-fuel household in South Wales):

These figures are based on a medium usage. Real savings may vary but for many, this deal is a winner.

Why have wholesale prices have dipped?

Octopus can offer this cheaper fix because wholesale prices have recently fallen, thanks to:

• Warmer weather across Europe

• Lower gas demand from Asia

• A possible Russia-Ukraine ceasefire

• EU relaxing gas storage targets

That’s helped drive down rates on the Octopus Agile and Tracker tariffs but it’s also why Octopus can lock in cheaper fixed deals right now on non smart tariffs too.

But let’s not forget: these gains could be wiped out overnight by one major event eg  Middle East tensions, extreme weather, or sudden global demand spikes. Personally, I don’t want that kind of uncertainty hanging over my bills and it’s the reason I fixed my gas tariff back in October. (I have an EV so I have opted for a dedicated EV tariff instead of the fixed rate for my electricity too.

Cost of living: everything else is up

We’re all feeling it: food, council tax, insurance, even cod and chips at the chippy! My car insurance dropped this year (a small miracle), but everything else is creeping up.

Energy is one of the few areas where you can take back control, especially with deals like this Octopus 12-month fixed tariff. And since the April Price Cap is based on older data, it’s already lagging behind today’s market conditions which are giving customers the option for cheaper fixed rates and time if use tariffs that are making significant savings.

So if you’re still sitting on SVT (Octopus Flexible tariff), you’re playing a game of “wholesale price hangover” and you are not winning!

So… should you fix your Octopus Energy Tariff now?

If I hadn’t already fixed my gas tariff, this would be a no-brainer.

Why I’d fix now:

• ✅ Cheaper than the current April cap

• ✅ Beats July’s expected energy price cap drop.

• ✅ Leave any time – no penalties

• ✅ No smart meter needed

• ✅ Protects against future spikes

I’ve been chatting about this on TikTok and many of my followers have fixed and re-fixed as prices dropped based on your videos. This flexibility is what makes the Octopus 12-month fixed tariff stand out.

@sarah_go_green Should you stick on the @Octopus Energy flexible tariff or take a fixed rate? #aprilpricecap #moneysavingtips ♬ original sound – sarah_go_green

If you don’t mind a little more risk then the Octopus Agile and Octopus Tracker tariffs are also worth considering. You can see the full range of Octopus tariffs on my comparison page. This applies if you have green tech like a heat pump, solar panels or an EV.

⚠️ Rebel Energy collapses: another wake-up call

This week, Rebel Energy ceased trading, affecting around 80,000 customers. Ofgem says your supply won’t be cut off, but the stress of losing your provider? No thanks.

It’s a timely reminder that not all suppliers are built to last. You want stability and support – and that’s exactly what Octopus continues to deliver.

🧠 Innovation that benefits customers with reduced bills!

While other suppliers are disappearing, Octopus keeps innovating. Their latest push? Zonal electricity pricing.

Instead of charging everyone the same rate regardless of energy source, this would allow customers in windy or sunny regions to pay less a smart way to reward local, green energy and reduce strain on the grid.

It’s the kind of forward-thinking you just don’t hear from the legacy Big Six in fact they seem to want to avoid it!

Everyone else gasps!! https://t.co/f68j90vQ4h

— Sarah Go Green💚 (@sarah_go_green) April 3, 2025

💚 From passive to proactive: my Octopus journey

Before I switched to Octopus 7 years ago, I hadn’t thought much about my bills. I was with British Gas for 20 years. But moving to a bigger home with multiple kids at home all day made me more mindful of energy use.

Since then, I’ve installed solar panels and battery storage installed by Octopus. During a recent power cut, our lights stayed on thanks to our home battery. That level of resilience and savings has been priceless and has given so peace of mind.

Now I track tariffs, move when deals improve, and help others do the same. Octopus made that shift easy for me and their emails, apps, and support have been brilliant (especially for someone like me who is dyslexic).

🎁 Grab £50 free energy credit

Thinking about switching to Octopus? You can get £50 free credit by signing up with my referral link.

It’s a great welcome bonus on top of an already competitive tariff.

👉 Join Octopus and get £50

Final thought

There’s no “perfect” time to fix your tariff but there are good times, and this is one of them.

You can save now, stay protected from sudden price spikes, and keep your freedom to leave later. Lots of other suppliers lock you in with exit fees but not Octopus and that is why I think this deal is worth a serious look.

If you’re still sitting on SVT or unsure what to do, have a quick look at your options. You might be surprised at what’s available and you could avoid overpaying for your energy which is still a ridiculously high price.

Other posts you may find of interest by Sarah;

• Is it still worth switching to Octopus Energy in 2025 – what do they offer customers?
• Project Mercury – Smart homes of the future.
• Is the Octopus Tracker Tariff still worth it in 2025?

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Should You Fix Your Energy Tariff Now Octopus Has Added Exit Fees?

If you’re wondering whether it’s worth fixing your energy tariff now that Octopus has introduced exit fees, you’re not alone and it’s a very fair question.

Up until recently, Octopus was known for offering fixed rates with no strings attached and with no exit fees or lock-ins. It gave customers the freedom to fix now and switch later if something better came along. In fact, I’ll hold my hands up: I’ve often encouraged people to play the field locking in a low fixed rate and bail out if prices dropped further. Octopus gave us the tools to do that, and many of us took advantage of it.

Written by Sarah Chambers.

UPDATE: 10th April 2025 – This was a flash in the pan for 48 hours as Octopus offered a limited amount of fixed tariffs but it included an Octopus fee. This offer is no longer available and we are back to 10% off the April Price Cap with no exit fee again.

Octopus 12-month fixed with exit fees. Is it worth it?

As of 8th April 2025, Octopus has introduced a £50 exit fee per fuel type on its fixed tariffs. And honestly? I think it’s fair enough based on the almost 15% discount they are offering compared to the April 2025 Price Cap.

Here’s why:

• Wholesale prices are dropping, but the market is still volatile.

• Octopus is offering a 14.6% discount compared to the April 2025 price cap which could be a real lifeline for those struggling.

• To provide that discount sustainably, they need to know customers won’t jump ship the minute another deal appears.

• They are offering customer stability while they can but energy is cheaper right now. It could be a good haven but I suspect it’s going to be a limited offer so grab it if you want it!

Is fixing with Octopus still a good idea?

That depends on your situation. Let’s break it down:

I think what Octopus is saying here is: We’ll reward you for loyalty, but we need a little loyalty back in return. It’s been a great game beating the Price Cap jumping tariffs but I know lots watch my content and switch but then don’t continue to bounce between tariffs or track them regularly like I do. This offers quite a good bet as it’s a lot cheaper than even predicted price drops. If towards the end of the deal, you want to switch you will most likely have saved the £100 exit fee already especially if you took the £50 credit switching to Octopus.

And let’s not forget: this isn’t about locking you in forever. It’s about balancing the need for stability while still giving customers some of the lowest, most transparent rates available. You’ll make that saving now and lots of us need that stability with the way the world is going at the moment!

@sarah_go_green The l@Octopus Energy 12 months fixed now has exit fees. So why is it one of the top fixed deals right now? #octopusenergy #energybills #moneysavingtips #savemoneytips ♬ original sound – sarah_go_green

My Journey: From 20 Years with British Gas to Octopus Energy

For around two decades, I was a loyal British Gas customer. Like many others, I stuck with what I knew, assuming all energy companies were much the same. However, when I moved home in 2018, I began to realise other companies could offer more and I switched to Octopus Energy.

Yes, all these companies provide us with energy for our homes, but some think outside the box and make using energy something we should consider more. How are we treated as customers? What are their values? Will they demand more from us and fight for change not just for our pockets but for the planet? I was just another number in a massive, outdated system. British Gas, a corporate giant, seemed more interested in profits than people.

Then I discovered Octopus Energy, a challenger brand with a bold mission. I soon discovered it wasn’t just another energy company, it was a movement.

Fast forward to 2025, and Octopus has grown into the UK’s largest energy supplier, overtaking British Gas for the first time in history.

I now share my passion and geekiness on social media where I try and help other people to understand their energy bills and reduce their Octopus Energy bills.

In 2024 Octopus Energy gained one new customer every 30 seconds!

Other blog posts you may find of interest by Sarah;

• Compare Octopus Energy Tariffs.
• Octopus Tracker Tariff  – Is it still worth it?
• Is it still worth switching to Octopus Energy in 2025?
• Project Mercury – Smart Homes.

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Tesla UK Referral Scheme 2025

If you are lucky enough to be an existing Tesla owner in the UK, you can share your Tesla referral link or your Tesla referral code and earn Tesla credits. The person you are referring will today will get a £500 discount on a new Tesla or a £500 credit towards Supercharging or accessories, depending on how they purchase the vehicle.

The person you refer will always receive a discount. The details will pop up on their order screen as soon as they have clicked the referral link. It is important to note that the discount can change at any time.

The Tesla referral discount has been between £250 to £750 on new Tesla purchases over the last 12 months. This discount on a new Tesla is based on Tesla’s sales targets. In the last 3 months of the year, Tesla seems to pile on the rewards but the current discount remains at £500 as we head into February 2025.

The referral scheme changed on 27th November 2024, and the £500 discount now only applies to Tesla vehicles purchased via cash or a loan. Anyone leasing a Tesla through a personal or business contract will receive £500 towards Supercharging or accessories.

• £500 off of your vehicle price (Cash or Loan) or
• £500 towards Supercharging or Accessories (Personal/Business Contract Hire)

Charge into Rewards with a Tesla discount code in 2025.

Word travels fast when you’re passionate about something because nothing speaks louder than a personal recommendation. That’s why Tesla doesn’t pay for advertising. Instead, they incentivise customers to share their experiences and Tesla referral codes.

The Telsa referral scheme is back!

Buying a new Tesla Model Y or Model 3 in the UK.

• If you buy a new Tesla Model Y  or any Model 3 using a Tesla referral you will get £500 discount/accessories or Supercharging.
• If you buy a new Tesla Model S or Model X using a Tesla referral you will get £500 discount/accessories or Supercharging.

Tesla Referral Rewards.

• If you refer someone who buys a Tesla Model Y  or Model 3 you will get £250 in Tesla credits. (This can be exchanged for Supercharging miles. software upgrades, merchandise, service payments or discounts off a new Tesla. )
• If you refer someone who buys a Tesla Model SA or Model X you will get £250 in Tesla credits. (This can be exchanged for Supercharging miles. software upgrades, merchandise, service payments or discounts off a new Tesla. )

If you buy any Tesla vehicle or solar PV outside of the UK.

If you are outside of the UK you can also use my Tesla Referral Code to purchase your new Tesla or a Solar Roof in a country where Tesla accepts orders. The Tesla referral rewards credits may vary from country to country. You need to change your location on the Tesla website when you click through as you will land on the UK version of the Tesla website using my Tesla Referral Link. 🇬🇧

How to use my Tesla Referral Link?

When you buy a new Tesla Model 3, Model Y, Model S or Model X using my referral link, we will get a discount on your new Tesla and I will earn Tesla Referral credits. 💚

To purchase with my referral link:

1. Click on my Tesla referral link.
2. Purchase your new Tesla via the referral link.
3. Tesla will discount your new Tesla.

• Tesla Model 3 – Referral Link (£500 discount/supercharging or accessories.)
• Tesla Model Y (excluding the refresh) – Referral Link (£500 discount/supercharging or accessories.)
• Tesla Model S – Referral Link (£500 discount/supercharging or accessories.)
• Tesla Model X – Referral Link. (£500 discount/supercharging or accessories.)

If you buy a new Tesla you will receive £500 discount or get £500 worth of free supercharging or accessories if you lease. If you refer someone and they buy or lease a new Tesla £500 discount (previously known as loot point credit) will be allocated to your Tesla order. Once you have your own account you can start referring people too so you can build up your credit.

Check out the Tesla Inventory because there may be vehicles ready to be collected now. Just enter your postcode.

If you are outside the UK you can simply switch to an alternative country on the Tesla website and still claim a discount on a new Tesla or you can just use my Tesla referral code Sarah583995 anywhere in the world.

Can I use a Tesla referral code at a Tesla showroom?

Yes, you can use a Tesla Referral discount code at a Tesla showroom. If you buy a new Tesla in store just give the Sales advisor my Tesla discount code, Sarah583995.

Can you add a Tesla referral code after placing an order?

Tesla doesn’t allow you to add the referral code after you have placed the order. You can read the full terms of the Tesla referral scheme on their website.

How easy is it to buy a Tesla online?

I bought my Tesla Model Y online and both the ordering and collection were amazing. It was so straightforward and required almost no human contact. I can highly recommend a Tesla it just keeps getting better with over-the-air updates.

How do I get a Tesla Referral Link?

If you own a Tesla to find your Tesla referral link just go into your Tesla app.

• Click on the icon that looks like a cube next to your profile picture in the top right-hand corner. The Tesla Referral Rewards will then appear on the screen.
• Tap the blue button at the bottom of the screen to share your Tesla Referral link. You can share your Tesla Referral link directly in a text message or email from this screen.
• The Tesla Referral Rewards section of the Tesla app will also show you the number of will credits you have and allow you to exchange your look credits for Tesla goodies.

How do I check how many Tesla Referral Credits I have?

When someone has bought a new Tesla using your Tesla discount code you can access and redeem the credits in your Tesla app.

• In the top right-hand corner click on the Tesla the three lines in the top right of the screen.
• Click on your profile image and then click “wallet”.
• From here you can view your Tesla referral credits.

• The Tesla Referral credits will show as pending in your referral history on the app until the new Tesla is delivered.
• On collection/delivery day the referring Tesla owner will have an update in their Tesla app and the credits will show are available to redeem.
• Tesla credits are valid for 12 months. (Once redeemed Tesla Supercharging miles are valid for 6 months.)

What can I exchange my Tesla Referral Reward Credits for?

Tesla Supercharging miles are the obvious way to spend your Tesla referral credits. There’s something quite exciting about fueling your Tesla for free!

You can also exchange your Tesla credits for a variety of lifestyle products, Tesla accessories, software updates and servicing.

How to use Tesla Referral Credits.

Ensure your Tesla app is always updated to the latest version to access all features related to managing and using your credits. New updates might introduce better ways to use your credits or improve the user interface.

This is how to spend Tesla Referral Credits 2025.

You can spend your Tesla referral credits in 5 ways:

1. Tesla Shop: When you’re ready to check out in the Tesla Shop, you’ll see a drop-down box on the final checkout page. Here, you can select “Tesla credits” as your main payment card to pay for items.
2. Supercharging: To use credits for Supercharging, open your Tesla app and click the three lines (menu) in the top right-hand corner. Navigate to “Charging”. On the next page, you’ll have the option to select Tesla credits as your main payment card for charging sessions.
3. Software Upgrades: In your Tesla app, go to “Upgrades” and then select “Software”. Choose the software upgrade you want, add it to your cart, and proceed to checkout. You’ll need to confirm your billing address. At the payment step, you’ll be prompted to choose a payment method; here, you can select Tesla credits.
4. New Vehicle Purchase: You cannot use Tesla credits immediately when ordering a new vehicle. You must wait until you receive the final payment invoice. Only at this stage will you have the option to apply your Tesla credits towards the deposit.
5. Vehicle Servicing: For servicing, Tesla credits can only be used after the service is completed. Once your vehicle is ready for collection, you’ll be asked to confirm the cost. At this point, you can choose Tesla credits as your payment method. Note that you cannot select this option on the estimate page before the service is done.

Important Note: You cannot set Tesla credits as the default payment method in your Tesla wallet. Each of these services requires you to manually select Tesla credits during the specific transaction process.

@sarah_go_green How to use referral credits to pay for items in the Tesla app. These include; Tesla Products Tesla software. Tesla New vehicle Tesla supercharging Tesla shop. #teslahowto #teslatok ♬ original sound – sarah_go_green

This is what Tesla UK have to say about their new Tesla Referral Credits.

Our goal is to help Tesla owners share their passion for Tesla’s products and our mission — to accelerate the world’s transition to sustainable energy. As an owner, every time you bring a new friend or family member into the Tesla community, you and your friend both earn credits — you earn Referral Credits and your friend gets a discount on a new Tesla.

Is the Tesla Referral Scheme still active in the UK?

Yes, the Tesla referral scheme is still available in the UK in 2025.

This is how the Tesla referral scheme has changed over the last year;

• April 2024: Tesla suspended its Referral Scheme.
• 5th September 2024: The scheme was relaunched in the UK.
• 27th November 2024: Terms updated; new customers get either a £500 discount on a new Tesla or £500 credit for supercharging or accessories on lease deals when using a referral link.
• 1st January 2025: Rewards for referrers reduced to £250, but the £500 discount for new buyers remains.

Finding your Tesla VIN number early.

At the moment this isn’t so much of an issue as there is stock available but if you order a new Tesla and want to find out when it is on its way from the factory you can check for a VIN number. Once this is allocated to your Tesla account it means it’s on the ship heading to the UK.

I highly recommend this Tesla VIN Code Extention which can be used on a Chrome browser because it worked for me. It searches your Tesla account and finds the VIN in the source code even before it is openly displayed.

Tesla Optional Extras are they worth it?

There are some things you cannot. retrospectively add after your Tesla purchase. These are obvious extras like the paint colour, although you can change it in your order before your delivery date. I changed my colour choice from red, to white and back to red again after I had placed my order.

You can, however, add the tow bar and the software upgrades anytime after your purchase.  The software updates are very easy to do.

Remember your vehicle will keep getting better as software changes are made. Over the last 3 years, the visualisation of the Tesla screen has changed so much. It is the reason why I chose a Tesla.

Is it worth buying Enhanced Autopilot when I order my Tesla?

In my view, unless you have read about the extra features of Enhanced Autopilot and want it straight out of the box on collection day, I would wait before ordering It in the UK.

I picked up my Tesla Model Y on the first day it was available in the UK and have driven it thousands of miles on the free autopilot, and it works a treat. I drove my Tesla from Berlin to Dunkirk in one day, and it helped reduce the fatigue whilst driving as some of the pressures of driving are taken away by the vehicle’s software.

@sarah_go_green Replying to @Matt Lots of questions answered about #tesla Ehanced Autopilot. #teslatok ♬ original sound – sarah_go_green

If you try out the Tesla free autopilot, want the additional benefits, like lane changing, and find self-parking attractive, you can add the enhanced autopilot at any time for £3,400. The vehicle automatically updates the software.

You can also use Tesla referral credits to pay for software updates if you get enough. Look out for promotions where the referring fee increases meaning you need fewer Tesla referrals to reach that goal.

Ready, Set, Tesla – Collection Day.

There was a storm the day I picked up my Tesla Model Y and I was extremely nervous. I used this app to run through everything I needed to check but due to the rain, I skimmed through the list. It is important to remember that you have 72 hours to report any issues to Tesla and even return the vehicle if you feel it is necessary.

Handover of your new Tesla involves minimal human contact (which I like) so it is helpful if you do some prep if you have never driven an EV or test driven a Tesla.

I found watching walk-through videos on the Tesla website before collection helpful and after I attended a free Zoom online orientation which is still being offered by volunteers at Tesla Owners UK.

Tesla Owners UK don’t put any pressure on you to sign up and you don’t need to be a member to attend the online event. I had my camera off, listened, and asked a few questions in the chat box. The session was very useful. Keep an eye on the Tesla Owners UK website for future dates.

If you would like any further hints or tips just take a look at my TikTok Channel. You can also message me via DM on Twitter or TokTok plus you’ll find me at SarahGoGreen.com.

The first 3 things to do as soon as you have collected your new Tesla.

I have been playing TikTok mainly to annoy my daughters. What could mummy possibly have to say?  Well, here are my tips on what to do as soon as you get your new Tesla. (I am sure that will make them cringe 🤣)

@sarah_go_green If you are buying a new #Tesla these are the 3 things i would update urgently. I own a #modely. They add security and personalisation. #teslahacks ♬ Pieces (Solo Piano Version) – Danilo Stankovic

Is there a Tesla Discount Code for buying a new Tesla?

Yes, you can get a $2000 discount on a new Tesla in the USA but £500 discount in the UK. The offer can also be used throughout the world. Tesla incentivises existing Tesla owners to spread the word about Tesla and in turn, you can get a discount on a new Tesla.

My Tesla discount code is Sarah583995.

Get charged up and Refer a friend to Tesla. 

Get the ultimate reward for driving a Tesla! Share the Tesla love and invite your friends to join the family. With the Tesla Discount code, you’ll get exclusive Tesla credits when you refer someone and they buy their very own Tesla. Plus they will now get a discount on a Tesla, which they will be very happy with!

Start saving up your credits now, and cash out for merchandise or supercharging miles – free Tesla Supercharging miles and rewards for driving the best car around.

Tesla doesn’t pay to advertise instead they prefer word of mouth. A recommendation to buy a Tesla from a current owner is far more powerful in their view.

The Tesla Referral Awards scheme provides current Tesla owners with a unique referral code which they can pass on when recommending a new Tesla. Both the current and new Tesla owners benefit by sharing and receiving a Tesla referral code or link. I love that they have now changed the scheme to offer a discount on a Tesla rather than allocating referral credits to new owners. The Tesla credits are great but when you are spending money on a large item you really want a monetary discount.

There’s no better time to join the #teslaclub than now! Use my Tesla referral code for a discount on a Tesla and be part of the innovation and luxury that comes with owning a Tesla. Get ahead of the curb and join today. #tesla #referralcode  #JoinNow

I highly recommend buying a Tesla Model Y.

I have owned my Tesla Model Y since February 2022 before I drove a diesel family car. The charging is a doddle thanks to the Tesla Supercharging network and it is a joy to drive. Any questions just send me a message and I will be happy to help. 💚

Just for a bit of fun here I am trying to talk to my  Tesla with a Welsh accent. Tesla has introduced British English as an option in the menu settings and I was trying to see if it would understand me now..the jury is still out. 😀

This is what I love about Tesla it is forever changing and updating. Unlike any vehicle I have driven before it just gets better and better with time!

@sarah_go_green #teslatok #teslabritishaccent #teslavoicecommands #teslawelshvoice #tesla ♬ original sound – sarah_go_green

The Tesla website provides more information about the Tesla Discount Code and how it works in the UK and Europe.

My other blog posts you may find interesting because you are buying a Tesla;

• Tesla Model Y Refresh Review – Family EV.
• EV charging – Intelligent Octopus Go.

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Octopus Cosy 6 and 9 Heat Pump Review: Cost, Savings & Is It Worth It?

Thinking About a Heat Pump? Discover the Octopus Cosy 6 and Its Big Sister, the Cosy 9

If you’re considering switching to a heat pump, the Octopus Cosy Heat Pump series is a game-changer. Designed and manufactured in the UK, it promises affordable, efficient and seamless integration with Octopus Energy smart tariffs.

As a long-time Octopus Energy customer, I’ve followed their journey closely. I was at the Energy Tech Summit in London in 2023 when CEO Greg Jackson unveiled the flagship Cosy 6 and announced ambitious plans to slash installation costs. His vision for innovation and affordability earned a standing ovation and for good reason.

With Octopus Energy making heat pumps more accessible than ever, they even offer a dedicated Octopus Cosy Tariff to keep running costs low.  I’ve been an Octopus Energy customer for years, and when I saw the new heat pump, I knew I had to see if it lived up to the hype.   This Octopus Cosy Heat Pump review will guide you through everything you need to know, helping you decide if it’s right for your home.

Updated 25th March 2025.

Written by Sarah Chambers.

• Also see: Octopus Cosy Controls Guide
• Octopus Cosy Survey Results 

Octopus Energy’s Cosy 6 and Cosy 9: A UK-Made Heat Pump Revolution

I take my hat off to Octopus Energy. When they launched this in April 2022, they had the vision to slash the prices of heat pumps, making them more affordable and attractive for UK consumers. They’ve not only achieved that, but they’ve also secured jobs for many families while proving that the UK can lead the way in the green technology industry.

I grew up in the South Wales Valleys, a mining community where livelihoods depended on the coal industry. We relied on dirty jobs for our communities to survive, even though they brought illness and environmental destruction to our doorstep. That’s why I believe we need companies like Octopus Energy to be bold and innovate not just to create local jobs but to provide a genuinely affordable alternative for those who want to ditch fossil fuels and electrify their homes.

Greg Jackson the CEO of Octopus Energy is described as a disrupter in the energy market and he is showing his colours when it comes to heat pumps! They are now the largest heat pump installer in the UK.

If you want to take a look at the Octopus Cosy 6 a little more closely this video gives an overview of its capability and shows it being assembled on the production line in Northern Ireland. (It’s a very easy-to-understand video and made me want to clap at the end, but I am a geek!)

How much does an Octopus Energy heat pump cost?

An Octopus Energy heat pump costs as little as £500 for a standard installation, thanks to the £7,500 Boiler Upgrade Scheme (BUS) grant. The total cost of installation is £8,000, with the grant covering 93.75% of the price. This grant is available until 2028. (It’s not based on your income.)

Rough Installation Cost	Price (After Grant)
Standard Home (under 6kW) – Cosy 6	£500 – £1,000
Larger Home (6kW – 9kW) – Cosy 9	£1500– £2,500

✅ Grant Applied: £7,500 from Boiler Upgrade Scheme (BUS)
✅ Extra Discount: £100 off with code 95460 (Can be used against any Octopus Heat Pump.)

I have regularly seen quotes of well below £1000 on X. It’s well worth getting a quote from Octopus but just take into account it uses your home’s energy-efficient rating to give a quick quote. It may go up or even down after the survey.

For larger or more complex homes, costs may be higher, but 91% of Octopus Energy heat pump quotes are below the UK national average of £5,565 but I have regularly seen lots of people delighted with the Cosy 6 installed for around the £1000 mark. So it is well worth getting a quote.

Additional costs may apply for extra work such as scaffolding, planning permission, or system upgrades. However, if you need to add some floor boarding say to your loft or a light for a hot water tank that is something you could do as a DIY project to keep costs down. Octopus will explain step-by-step what you’d need to do before the Cosy 6 is installed.

How Many Octopus Cosy Heat Pumps Are Available?

As of February 2025, there are currently two Octopus Cosy heat pump models available for installation in the UK:

• Octopus Cosy 6
• Octopus Cosy 9

Octopus has just launched the Cosy 9 in January 2025 and already rumblings are on forums reporting installations in February which is amazing. Not many people have seen the Cosy 9 so this is hot off the press! If you’re looking for an alternative to a gas boiler, this could be a game-changer for bigger households.

Octopus is expected to expand the Cosy Heat Pump series further and I will update this post when information is available.

What’s the Difference Between the Cosy 6 and Cosy 9?

The Octopus Cosy 9 is a slightly bigger model, first installed in January 2025. It shares the same base dimensions as the Cosy 6 but stands slightly taller.

Here’s a quick comparison:

Model	Suitable for	Heat Loss Capacity
Cosy 6	Homes with 1-4 bedrooms	Up to 5.6kW
Cosy 9	Homes with 3-5 bedrooms	Up to 8.7kW

Can I switch Cosy Heat Pump models after getting a quote?

Yes, after the home survey, your Octopus Heat Pump adviser can talk you through all your options and give an exact quote for your heat pump installation.

Are all the Cosy Heat Pumps Eligible for Government Grants?

Yes! Both the Cosy 6 and Cosy 9 qualify for the government heat pump grant, making them more affordable for homeowners switching to low-carbon heating.

Plus, you can get £100 off using my Octopus heat pump referral link ( referral code: 95460 and just to be transparent, I also get £100, thank you if you use it!). Better yet, this discount can be combined with other promotions offered by Octopus!

A First-Hand Look at Octopus Energy’s Heat Pump Vision

I had the chance to visit Octopus Energy’s Slough warehouse back in 2022. At the time, their heat pump operation was still in its early stages. Octopus had just acquired the manufacturing company that would go on to produce the Cosy Heat Pump series, and I met some of the engineers from Northern Ireland who were at the site.

Speaking to them, their excitement was clear. They told me that as a small company, they were excited about the future for both job security and innovation. With Octopus stepping in and investing, they saw a huge opportunity to scale up and bring affordable, high-quality heat pumps to UK homes.

Fast forward three years and the Cosy heat pumps have now been designed, built, and are being installed across the UK showing Octopus Energy’s vision was spot on. This is a massive win for homeowners looking for efficient and affordable low-carbon heating solutions.

Octopus Cosy Heat Pumps – UK Made for Lower Costs and Future Proof Pricing

Unlike other providers, Octopus Energy designs and builds the Cosy 6 in Northern Ireland. This is great for UK jobs and reduces CO₂ emissions from imports. But it also helps Octopus future-proof pricing.

With the government’s Heat Pump Grant ending in 2028, Octopus is focused on scaling up production to drive costs even lower. Owning their supply chain means they are not just taking advantage of grants today but making heat pumps more affordable in the long run.

What Makes Cosy Heat Pump Different?

By manufacturing the Cosy heat pumps, Octopus cuts out the middleman, which means lower costs and better quality control.

The Pac-Man shape Cosy Heat Pump is compact and rounded, unlike the long, boxy units most people picture. The smaller size makes installation easier and helps keep costs down.

Octopus isn’t just chasing lab efficiency numbers. They focus on real-world savings for customers. Older homes don’t operate under perfect test conditions, so what matters is actual performance, not just theoretical figures.

That’s why Octopus created the Cosy Tariff a special electricity tariff designed to keep running costs low for heat pump users. They don’t just sell you a heat pump they make sure it works affordably in the long run too.

Octopus Cosy Heat Pump Installation Process – What to Expect

Hassle-Free Installation Octopus Cosy 6 and Cosy 9.

Octopus has made the process as easy as possible:

1. Instant Online Quote — Answer a few simple questions and get a personalised estimate on the spot. Octopus automatically applies the government grant to all their Heat Pump quotes.
2. Home Survey — An expert visits your home to do a heat loss calculation, ensuring your heat pump is the perfect size.
3. Fixed-Price Contract — No hidden fees. If you need new radiators or prep work, it’s all included in the price.
4. Bonus – If you quote my code 95460 to your Octopus heat pump advisor you’ll get an extra £100 off. The discount can be used with any other offer Octopus may be running.  (I get £100 credit too)

How to Get £100 Credit on a Heat Pump Installation

Getting your £100 discount is simple:

🔗 Step-by-Step: How the Octopus Referral Link Works

1. Click my referral link
   This is your key to unlocking the £100 referral reward.

2. Enter your name and email
   This registers you for the £100 Visa card reward from Octopus.

3. Get your personalised quote
   You’ll be taken to the Octopus Cosy Heat Pump quote tool. It takes just a few minutes, and the £7,500 government grant is automatically applied.

4. Receive an email with the next steps
   Octopus will send you an email explaining how to get your heat pump quote and what to expect next.

5. Install your heat pump and claim your reward
   If you go ahead with the installation, you’ll receive a £100 Visa card and so will I as a thank-you. If you use my link it will be very much appreciated!

🔸 Additional Tip:
✅ Once you have registered your name and email the Octopus heat pump reward is instantly registered. You have to use the same email on your online heat pump quote for the £100 reward to be counted!

Important: My previous Octopus heat pump referral code below no longer counts for new quotes. However if you used it prior to the 25th March 2025 you will still get the £100 deducted from your final heat pump installation invoice.

Referral Code	Discount	Referred By	Additional Benefits
95460 (Mine!)	✅ £100 Off	✅ Sarah Chambers ( Sarah Go Green)	✅ Can be used in conjunction with any other Octopus offer in 2025

 

✅ Octopus Handles the Paperwork for Your Heat Pump Application

One of the best things about getting a heat pump with Octopus? They take care of all the paperwork for you in typical Octopus style. It is all easy to understand and follow along with.

Once you’ve signed the final sales agreement, Octopus will send you an email confirming they’ve completed the ENA application and submitted it to your DNO. They’ll also handle the Government BUS grant application and the HEIS warranty application on your behalf.

After everything is processed on their end, they’ll advise you to keep an eye out for an email from Ofgem regarding your grant application. All you need to do is click the link and confirm your eligibility. It’s also worth checking for any messages from your DNO in case they need any further details. You just forward these to Octopus.

Should you need planning permission for your heat pump installation Octopus can help you with this they cannot submit the form on your behalf but your Octopus adviser will talk you through this early on.

Octopus say that; Most heat pumps can be fitted under something called “permitted development” which means that planning permission is not required.

At this point all you have paid is a £200 deposit, the rest is payable upon completion of your Cosy 6 installation. It’s that easy Octopus makes the whole process hassle-free! 💡

Q: Why do I need to pay a deposit before the survey?

• Octopus Energy requires a deposit as a commitment to show you’re serious about proceeding with the installation.
• This helps them allocate resources and plan your heat pump installation efficiently.
• The deposit is fully refundable, so if you decide not to go ahead, you’ll get your money back.

How Much Can You Save with a Heat Pump?

Savings vary, and Octopus is refreshingly honest about that. TJ Root, Director of Flexibility at Octopus, compares it to a car’s MPG rating. Your actual efficiency depends on how you use it, your home setup, and the weather. That’s why having Octopus Energy on hand with advice and a dedicated heat pump tariff makes sense.  They can even remotely monitor your Cosy heat pump and diagnose any issues.

I delve further into the cost saving of the Cosy Heat Pumps towards the end of this blog post.

This is a great overview of the Octopus Cosy Heat Pumps.

Getting the Right Fit Matters with any Heat Pump, including the Cosy 6 and Cosy 9.

If your heat pump is too small, it won’t keep you warm. If it’s too big, you’ll waste energy and money. Think of it like picking the right sized speaker for a room too small and it struggles, too big and it’s overkill.

Heat pumps run at lower temperatures than gas boilers, so some homes need bigger radiators. Octopus takes care of this as part of the installation, making sure your system works efficiently from day one.

Octopus will help you decide which of the Octopus Cosy series best meets your home’s needs.

Carbon Footprint – The Eco-Friendly Choice

A heat pump is 3-4 times more efficient than a gas boiler. For every unit of electricity used, you get three to four units of heat. While electricity costs more per unit than gas, this high efficiency cancels that out, making it cheaper overall.

As more green energy sources enter the grid, running a heat pump gets even cheaper and greener. Unlike many imported models, the Cosy 6 is built in the UK, meaning lower transport emissions and a smaller carbon footprint right from the start.

How Long Does a Heat Pump Last?

With regular maintenance, a heat pump lasts 15 to 25 years which is longer than a gas boiler.

Octopus Cosy 6 and Cosy 9  –  8 Year Warranty & Aftercare.

• 8-year warranty included  for your heat pump – £0
• Optional monthly maintenance plan with annual servicing – First-year service is free and then it’s £9 a month directly with Octopus. (Same-day call-out when you contact them by midday.)
• Dedicated support team for quick issue resolution – open 8 am to 8 pm on weekdays and 10 am to 6 pm on weekends.

If something goes wrong, you’re not dealing with a third-party company everything is handled by Octopus directly.

You can read more about Octopus warranty and aftercare here.

Octopus Cosy 6 and Cosy 9 Smart Features & Future-Proof Design

The Cosy 6 is built to last and designed for modern homes:

• Uses eco-friendly R290 refrigerant
• Works in temperatures as low as -25°C
• Includes smart controls for easy remote management

This is what excites me the over-the-air software updates which means your heat pump improves over time, just like a smartphone.

🚀♻️🚨 Potential Downsides of the Octopus Cosy 6 and Cosy 9 🚨

❌ Learning Curve – Some users find heat pumps different from gas boilers.
❌ Space for the Hot Water Tank – If upgrading from a combi boiler, you’ll need a storage tank which will require more upheaval to install.
❌ Electricity Prices Can Vary – Tariffs change, so it’s worth reviewing your energy deal yearly.

How does the Octopus Cosy 6  and Cosy 9 Heat Pump work?

Octopus Cosy: The All-in-One Energy-Efficient Heating Solution – What do you get?

Octopus Cosy is a complete home heating package;

• Cosy 6 heat pump. (6 kW) or Cosy 9 heat pump (9 kW)
• Hot water cylinder.
• Cosy Hub.
• Up to four Cosy Pods.

Powered by Octopus Energy’s cutting-edge technology, Cosy efficiently heats your home and water using up to 4x less energy than a traditional gas boiler. You can enjoy smarter, greener, and more cost-effective heating with the Octopus Cosy heat pump.

Octopus has looked at how a customer can be the most comfortable in their home in the most energy-efficient way and it is reflected in the package the Cosy Heat Pump series offers.

I have also written an overview of the Octopus Cosy 6 and 9 controls which you may find helpful.

Octopus Cosy 6 and Cosy 9 Heat Pump: A Bold, Unique Design That Delivers Efficiency.

The Cosy 6 and Cosy heat pumps are high-efficiency air-to-water heat pumps designed by Octopus Energy to provide homes with low-carbon heating and hot water. The unit works by extracting heat from the outside air even in cold temperatures and using it to warm up water for central heating and hot taps.

Key features of the Cosy Heat Pump units:

• Air-to-water heat pump: Transfers heat from the air into your home’s heating system.
• Efficient in low temperatures: Works even in freezing conditions.
• Variable speed inverter technology: Adjusts power output to match heating demand, improving efficiency.
• Quiet operation: Engineered to minimize noise.
• Compact design: Aimed at being space efficient while delivering high performance. I believe both the Cosy 6 and the Cosy 10 have the same footprint at the base. The Cosy 10 is just taller.
• Weather compensation sensor: This is located on the back of the Cosy 6 heat pump.

It’s designed to be an easy-to-use, cost-effective replacement for traditional gas boilers while reducing carbon emissions.

You can find a detailed list of the Cosy 6 specifications here.

Easily Control Your Octopus Cosy Heat Pump with the Octopus App

The Octopus Cosy 6 and 9 heat pumps are fully controlled through the Octopus App, making them simple to use. Once installed by an Octopus engineer, your system runs automatically but you can customise settings anytime to suit your needs.

With the app, you can:
✅ Turn your heat pump on or off
✅ Set schedules for efficiency
✅ Use boost mode for extra warmth
✅ Monitor energy usage in real-time

Enjoy effortless heating with the Octopus Cosy heat pump, designed for convenience, efficiency, and control at your fingertips.

You can take a look at how to get to grips with the Cosy 6 and 9 controls here.

Octopus Cosy Heat Pump Hub and Pods: The Smartest Way to Control Your Heat Pump.

Octopus is Revolutionising the Heat Pump Industry with their Cosy Heat Pumps.

Octopus is not just installing heat pumps they are transforming the industry. Their Cosy Heat Pump series and streamlined installation process make switching easier and more cost-effective than ever.

It is a breath of fresh air. By creating more UK jobs in the green sector and providing an affordable, planet-friendly heating option, Octopus Energy is leading the way in the future of home heating.

Get £100 off your Octopus Cosy 6 and Cosy 9 Heat Pump – Use Referral Code 95460.

If you decide to get a heat pump installation with Octopus Energy you get £100 off your heap pump quote. If you use my 2025

referral code 95460 before signing your agreement you’ll get £100 off. Just for transparency, I will also receive £100 as a bill credit—win-win! Thank you if you decide to use my code.

✅ No need to be an Octopus Energy customer—you can still get an installation.
✅ Thinking of switching your energy supply? We can split another £100, giving us £50 credit each when you switch.

If you are requesting a quote after 25th March 2025 please use my Octopus heat pump referral link instead. You’ll get a £100 Visa gift card.

The Verdict: Are the Cosy Heat Pumps worth it?

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Octopus Energy vs. British Gas & E.ON: Why Customers Deserve Better Than Courtroom Drama

The Court of Appeal has dismissed the case brought by British Gas and E.ON challenging the government’s approval of Octopus Energy’s acquisition of Bulb. While the legal battle raged on, customers like me were left wondering why the energy giants were so obsessed with court cases instead of focusing on delivering the best service possible?

The Appeal and the Verdict

The case—R (British Gas Trading and E.ON) v Secretary of State for Energy Security and Net Zero [2025] EWCA Civ 209—challenged the UK government’s decision to fund Bulb’s special administration and approve its sale to Octopus Energy in 2022.

Bulb collapsed in 2021 due to skyrocketing wholesale energy prices, leaving 1.5 million customers in limbo. The government stepped in, funding the company’s administration and eventually agreeing to a sale to Octopus Energy. The deal involved government loans to Octopus loans that Octopus has since fully repaid.

British Gas and E.ON argued that this funding was an unfair subsidy, violating UK and EU trade agreements. However, the Court of Appeal ruled that the process was lawful and transparent, confirming that the UK government had acted within its powers and that Octopus had won a fair and competitive bidding process.

Why This Legal Battle Frustrates Customers

As a customer, I care about three things: fair pricing, great service, and green energy innovation. This case had nothing to do with any of those things. Instead, it felt like a distraction, an attempt to fight progress rather than focusing on what customers actually need.

I spent around 20 years with British Gas, and for much of that time, energy was just another bill I had to pay. The customer experience felt like an afterthought—long wait times, confusing tariffs, and little real engagement. In contrast, switching to Octopus Energy opened my eyes to an energy supplier that actually prioritised its customers. From clear and simple tariffs to proactive support during crises, Octopus made me feel like more than just a number on an account.

That’s why this court case frustrated me. British Gas and E.ON weren’t in court fighting for better energy prices or fairer deals for customers. They were challenging a deal that ultimately cost taxpayers nothing and rescued Bulb’s 1.5 million customers from uncertainty. If they had won, what would have changed for us as consumers? Would prices have gone down? Would customer service have improved? Based on past experiences, I doubt it.

Octopus Energy: Delivering What Customers Actually Want

While British Gas and E.ON were tied up in legal battles, Octopus Energy was busy doing what actually matters to customers—cutting costs, improving service, and driving forward green energy initiatives. Here’s what they’ve been focusing on:

✅ Fair and transparent pricing – Octopus has consistently led the way with flexible, fairly priced tariffs that adapt to market conditions while keeping costs down for customers.

✅ Green energy solutions – From solar and battery storage to heat pumps, Octopus is constantly rolling out innovative renewable energy products that help households become more energy-independent.

✅ Customer service excellence – Octopus Energy repeatedly ranks as the UK’s top-rated supplier, while British Gas and E.ON continue to struggle with complaints and service issues. Just look at the latest Which? customer survey results, they tell the same story, year after year. As a customer I want you to do better. We need more competition in the energy market that values us as consumers.

I had the chance to visit Octopus’s heat pump and solar training centre in Slough, and the enthusiasm was contagious. The team wasn’t just installing equipment; they were pioneering the future of home energy, making sustainable technology accessible to more people. It’s the kind of forward-thinking approach I wish all suppliers embraced.

At Kraken HQ in Manchester, I saw first-hand the collaboration happening around Project Mercury, which is a bold initiative bringing together utility companies and green tech manufacturers to build a smarter, more efficient energy grid. It was inspiring. And yet, I still leave my village and see wind turbines switched off, sitting idle while we pay sky-high prices for imported energy. It makes no sense!

This is where the focus should be. We need cheaper, locally produced energy that gives us security so we don’t have to fear the arrival of winter.

Final Thoughts: Less Courtroom Drama, More Customer Focus

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Octopus Tracker Tariff is it still worth it?

With the January 2025 Energy Price Cap rising by 1% and fixed rates offering some protection from further predicted price cap increases in April 2025, is the uncertainty of the Octopus Tracker tariff still worth the risk this winter? I will attempt to give you my opinion as an existing Octopus Tracker tariff customer.

The Octopus Tracker tariff is the only energy tariff in the UK that truly follows wholesale energy prices. Every day Octopus updates the price you pay for your electricty and gas using a preset formula. The formula and the standing charge remain fixed for 12 months but the rates change daily depending on wholesale energy prices.

Written by Sarah Chambers.

Understanding the Octopus Tracker Tariff: How It Works and How It Differs from the Energy Price Cap

The Octopus Tracker tariff differs because it’s not linked to Ofgem’s Energy Price Cap. Instead, it’s directly tied to real-time wholesale energy prices, which change daily at midnight. This means the price per kWh with the Octopus Tracker tariff fluctuates based on the global energy market. If wholesale prices go up today, you’ll see an increase almost immediately, but you’ll also benefit when prices drop.

In contrast, Ofgem’s Energy Price Cap is updated every three months and is based on past wholesale prices, not current ones. For example, the April 2025 price cap increase reflects prices from November to February 2025. This period of assessment for the April 2025 Energy Price cap has now ended and today’s wholesale prices will be used to set the July 2025 price cap which is predicted to go dow by around 4%.

What to Expect as a Tracker Tariff Customer.

If you’re on the Octopus Tracker tariff, it’s important to pay attention to future wholesale energy price predictions rather than relying on the Ofgem price cap. For instance, higher wholesale prices this winter have resulted in a 6.4% increase in the April 2025 price cap.

Looking ahead, analysts are predicting a 4% drop in the price cap for July 2025, reflecting the slight drop in prices now being felt on the wholesale market. It’s the predictions for July 2025 you should look at to assess how the tracker tariff may perform now.

Keep an eye out for an Octopus Tracker tariff formula change. 

Octopus use a formula to work out the price you pay on the Octopus Tracker tariff. As you take on more of the risk of buying your energy as it fluctuates each day Octopus passes on some rewards.

On the 31st of December 2024, Octopus launched the December 2024 v1 of the Octopus Tracker tariff. If you switch to Octopus Tracker after the 30th of December or if your fixed period ends, you will go on to the latest version of the Octopus Tracker Tariff, December 2024 v1.

Thankfully the formula used on December v 1 of the Octopus Tracker tariff results in the price you pay for your electricty and gas being slightly cheaper than the previous version.

How much will I pay on the Octopus Tracker tariff?

If you switch to the Octopus Tracker tariff now or if your tracker tariff is up for renewal after 12 months you will be on December 2024  v1 of the Octopus Tracker tariff.

Octopus Energy Tariffs in South Wales (1st January to 31st March 2025)

Flexible Tariff:

• Electricity:  24.49p per kWh, with a standing charge of 62.06p per day
• Gas: 6.45p per kWh, with a standing charge of 29.77p per day.

Tracker Tariff (December 2024 v1, 4th February 2025)

• Electricity: 26.09p per kWh, with a standing charge of 62.06p per day.
• Gas: 7.09p per kWh, with a standing charge of 29.77p per day.

Choosing the right Octopus energy tariff can seem complicated, especially when rates fluctuate. Here’s a brief comparison of Octopus Energy fixed, flexible and tracker tariffs in South Wales as of the 5th of March 2025, to help you decide which might suit your needs best:

• Flexible tariff: More expensive today for both gas and electricty.
• Octopus 14 Months Fixed: The tracker tariff beats this today but the fixed gives stability for the year and you can just choose to fix your gas and leave electricty rates on the tracker tariff.

Tracker Tariff: Consider the average monthly kWh price, not just the daily rates!!

Energy Tariff Comparison: Fixed, Flexible, or Tracker – Which was cheaper in February 2025?

In February 2025, Octopus Tracker gas prices were higher than fixed or flexible tariffs in South Wales. However, Tracker electricity prices were lower, meaning customers saved money.

With energy prices expected to fall slightly, the Octopus Tracker remains a good option but only if you’re comfortable with price fluctuations. If you prefer stability, a fixed tariff might be better.

 

My Octopus Tracker Tariff is coming to an end, what should I do?

If your Octopus Tracker tariff is due to renew within 49 days you can switch to another tariff without the 9 months penalty which restricts you from moving back to the Tracker tariff.

So if you can’t decide what to do you wouldn’t be doing yourself a disservice if you decide to fix your Octopus Energy rate while you decide what to do. This would lock in the rates which we have now before April 2025 Price Cap increases yet give you the flexibility to move back to the Octopus Tracker tariff at any time.

The 49-day rule for the Octopus Trakcer tariff has been confirmed by Octopus Energy just in case you are wondering if it is too good to be true.

@sarah_go_green If you @Octopus Energy tracker tariff has less than 49 days before renewal you can switch away without the 9 months penalty. #octopustrackertariff #octopustariffs ♬ original sound – sarah_go_green

Octopus Tracker tariff price spikes.

Over the last couple of weeks, prices have spiked. It is all to do with high gas prices and not a lot of wind. There is a bit less nuclear than usual and imports and running lower. You have to look at the average unit price that you are paying before deciding if to stick or twist with the tracker tariff.

I often get asked what I would do but this is so personal as you could well get gambler’s remorse from switching away for the security of a fixed tariff and then discovering prices have settled down. Remember it is the overall average unit price that matters not the random one-off price spikes that may nudge your average rate up. Still, it won’t necessarily make it more than a tradional Octopus tariff.

You can hop off the Octopus Tracker anytime but can’t return for 9 months. If you’re into saving by following wholesale rates again, try the Octopus Agile for electricity. You don’t need the same tariff for gas and electricity, you could fix your gas for 12 months while keeping your electricity on the Tracker tariff. Just contact Octopus to sort it out.

Will the Octopus Tracker tariff formula change in April 2025?

On the 31st of December 2024, the Octopus Tracker tariff formula changed and it became slightly cheaper than the previous version October v1. However, the standing charge changed and the electricty went up so it is now in line with all the other Octopus tariffs.

No one knows if or when the Octopus Tracker tariff formula will change again in 2025. If you switch to the tariff you will remain on your current formula for 12 months. This element of the tracker tariff is fixed along with the standing charge.

I suspect Octopus reduced the formula prices ready for January 2025 as the Tarcker tariff has always been marginal in terms of profit yet its popularity is increasing. It gives customers the benefits of short-term dips when there are lots of renewables on the grid but unlike Octopus Agile it’s much simpler to manage as there’s just one flat rate for the day.

Now that more customers are switching to smart tariffs and are becoming more prepared to change when they use energy to get cheaper rates I suspect Octopus want to make greener tariffs, such asthe  Octopus tracker tariff, more attractive.

What the future might hold in 2025 for the Octopus Tracker tariff.

The Octopus Tracker tariff is still worth switching to if you’re not afraid of risk. Wholesale prices have already driven the 6.4% increase in the April 2025 price cap, and all versions of the Tracker tariff have, on average, performed well against the wholesale prices in the assessment period. Analysts predict at least a 3% price cap drop in July 2025, and we’re already feeling some fluctuation in prices now. Despite the rise, the Octopus Tracker tariff can still save you money compared to the Octopus Fixed or Flexible rates—but gas prices are tight!

@sarah_go_green Replying to @Ali Hussain @Octopus Energy ♬ original sound – sarah_go_green

As long as you are prepared to hold your nerve and watch prices, the Octopus Tracker tariff could be a fairly easy way to save money on your energy bill this spring. However, nothing is certain and there are several factors such as the conflict in the Middle East and the planned maintenance work for some pipelines that you need to take into consideration.

Predictions indicate a possible reduction in the Energy Price Cap in July 2025 and the Octopus Tracker tariff will feel this downward trend first during the March to May 2025 Ofgem assessment window.

Is the Octopus Tracker Tariff still worth switching to?

When Octopus updated the formula of the Octopus Tracker tariff in October 2024 I first thought that the increase in the formula combined with the recent wholesale energy price rises would make the Octopus Tracker tariff more one to watch than to switch to.  The rates for gas have been so close to the Octopus Flexible rates that the risk of price increases I thought would deter customers from switching especially when the Octopus Fixed tariff has quite competitive rates right now.  However, there is an appetite to beat the system and I have noticed more of a determination to stick with the tracker tariff than expected

Now that the Octopus Tracker tariff has had the price of its formula lowered it’s going to be even more attractive hopefully in 2025. We just need gas wholesale prices to start falling!!!

The Octopus Tracker tariff can be great, but you need to watch for sudden price spikes. You should check if switching to a fixed or standard tariff makes sense, but you don’t need to decide quickly. Focus on the monthly average cost for gas and electricity, not daily rates.

So, yes, the Octopus Tracker tariff could still work out cheaper than the January 2025 Energy Price Cap in March, but it does feel more of a gamble than a certainty in respect of the gas element. As we look ahead to April, however, I am fairly optimistic but anything with some volatile markets and uncertainty, it’s not easy to predict.

It is simple to switch away from the Octopus Tracker tariff. You simply email hello@octopus.energy but remember you can’t go back to the tariff for 9 months.

About the author:  I’ve Been a Happy Octopus Energy Customer for 6 Years.

I’m Sarah, and as a mum of 3 daughters, I want to save money and do right by the planet. This led me down a rabbit hole of researching tariffs, smart meters, and renewable options.

You can find me on X and TikTok where I connect with around 10,000 followers looking for practical ways to electrify their homes and reduce energy bills.

Feel free to follow me Sarah_Go_Green and join the conversation – I’d love to hear from you!

I’m also featured on the Octopus website and their YouTube channel as a solar customer. I’ve been on BBC News, and Radio Wales, published in the Telegraph for owning part of a wind turbine and had a feature in Bloomberg.

I genuinely want to help you understand your options and make smarter energy choices. It’s that simple, I have become very geeky about my home energy and I can help you too.

Another post by Sarah you may find of interest;

• Full Octopus Agile Review.
• Intelligent Octopus Go – The most popular EV tariff in the UK.
• Are Octopus energy prices going down?
• To fix or not to fix your energy tariff with Octopus Energy.

 

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Lock in Savings: Secure a Cheaper Octopus Energy Tariff Before April 2025 Price Cap Rise.

Are you on a standard variable tariff, with Octopus Energy, this is the Octopus Flexible tariff.  If so, sadly you will need to brace yourself for another price increase as the price you pay per kWh for gas and electricty will go up on the 1st of April 2025.  However, there is hope as there are some easy ways to reduce your home bills by picking the right tariff now. Let’s start by looking at the Octopus Energy 14-month Fixed tariff (March v1) which has no exit fee.

Written by Sarah Chambers

Update: On the 10th of April 2025 October reintroduced its Octopus 12 months fixed 10% below the April Price Cap with no exit fees.

I’m Sarah, and I’m passionate about slashing home energy costs. Since switching from British Gas to Octopus Energy seven years ago, I’ve become a super geek in navigating Octopus Energy tariffs to save money and reduce my carbon footprint.  Here’s how you can too:

Fix Your Rates: Lock in lower prices now to avoid future increases.

Switch Smartly: Explore how switching tariffs can lead to significant savings. It is an easy strategy that gives you peace of mind with no fuss. Octopus Energy has no exit fees meaning you can hop to cheaper rates when they become available.

Stay with me to learn how to make your home energy use smarter, cheaper, and greener!

Is Octopus Fixed tariff worth it?

Yes, the Octopus Energy Flexible tariff will go up on the 1st of April 2025 so it is worth fixing. The question is how much more will you pay?

The Octopus Flexible tariff follows the Energy Price Cap which is updated quarterly. It will next change on the 1st of April, 2025, with the new rate which has just been announced by Ofgem on 25th February 2025.

If you secure a fixed rate up to 4% above the current Jan-Mar Price Cap, you’re expected to save money over the year compared to remaining on the Price Cap according to analysts.

What’s Changing?

📈 Electricity & Gas Price Cap Changes (Direct Debit) – April 2025

How much more you will pay on the Octopus Flexible tariff depends on where you live in the UK. This is the average price change based on typical use.

Energy Type	Standing Charge (Per Day)	Unit Rate (Per kWh)
Electricity	53.8p (down from 60.97p) ⬇️ 11%	27.03p (up from 24.86p) ⬆️ 8.7%
Gas	32.67p (up from 31.65p) ⬆️ 3.2%	6.99p (up from 6.34p) ⬆️ 10%

• Low energy users (under £100/mth): You may see only a small increase, thanks to the lower standing charge.
• High energy users (£200+/mth): Expect a 7-10% increase in your bills due to rising unit rates.

Fix Your Energy Rate Before the April 2025 Price Hike – No Exit Fees & £50 Credit

✅ 1. Protection from Future Price Rises

The Octopus Energy 14-month fixed tariff allows you to lock in a lower rate before the April increase. This means you’ll avoid any further hikes for the next 16 months, giving you price certainty and protection against unpredictable energy costs.

💰 2. Cheaper Than the Price Cap – My Own Experience

As a South Wales resident, I’ve looked closely at how the April price cap changes will affect me. Here’s the comparison:

Energy Type	Standing Charge (Per Day)	Unit Rate (Per kWh)
Electricity (South Wales)	51.79p (down from 64.10p) ⬇️ 19%	27.61p (up from 24.85p) ⬆️ 11%
Gas (South Wales)	32.81p (up from 31.82p) ⬆️ 3.1%	7.12p (up from 6.54p) ⬆️ 8.9%

For me, the unit rate increase is significant, and switching to a fixed Octopus Energy tariff now if I were on the Octopus Flexible tariff (or the standard variable rate with another supplier) would make financial sense before the higher rates take effect.

The headlines report a 6.4% increase on the 1st April Energy Price Cap, but just look at the increases in the unit rate in South Wales. Yes, my electricty standing charge would go down but that’s quite a jump on the unit rates. I have 3 children and I am in no way a low user. Luckily I have other green tech that helps me to reduce my reliance on the national grid such as solar panels but I am in the minority of homes in my area who have this “luxury”.

If you want to look at the April Energy Price Cap rates for your region, scroll down this page on the Ofgem website.

Martin Lewis warns that 80% of homes are already paying on the Price Cap v a cheaper fixed tariff.

Martin Lewis has warned consumers against overpaying for energy. He pointed out that 80% of households are on the Energy Price Cap, which he called the “pants cap,” suggesting that many are already paying more than they need to.  You can see this broadcast on ITVX.

If you aren’t a person who likes a bet my advice would be to take the Octopus 14-month fixed tariff now. It is a sure win with no exit fees. You feel you have to look for the catch but there isn’t one. You can lock in a cheaper rate now and if predictions are wrong for the rest of 2025 you can switch to another tariff and it won’t cost you a penny.

Is it time to switch to an Octopus Energy Fixed tariff?

If you’re hesitant about choosing an energy tariff due to fear of being locked into higher prices, Octopus Energy offers a solution that balances cost savings with flexibility. Here’s why you should consider switching to the Octopus Fixed Tariff:

• No Exit Fees: One of the major concerns with fixed tariffs is the fear of being stuck with rates that might not be the best in the future. Octopus Energy eliminates this worry by imposing no exit fees on its current fixed tariffs. This means you can switch to a different tariff if a better deal comes along you can simply contact customer service or use your online dashboard to switch tariffs.
• Cost Efficiency: Since July 2024, the Octopus Fixed Tariff has consistently been cheaper than the Energy Price Cap. Each time a new price cap is announced, the fixed tariff rates have been below these caps. A fixed-rate safeguards against rising energy costs. Opting for the fixed tariff could lead to savings over time and prices are predicted to rise in 2025.
• Flexibility: If the market unexpectedly drops, and the Octopus Flexible tariff becomes cheaper, you can switch back without any financial penalty. This flexibility makes it a low-risk option for anyone looking to save on energy bills.
• Real User Experience: I have over 5,000 followers on TikTok gained by sharing my experiences of switching tariffs. You can hop between Octopus fixed tariffs when better deals are available. Having control over your energy expenses without the usual commitment of tariffs that lock you in is a win.

Energy Price Cap vs Octopus Fixed tariff.

If you stay on the Energy Price Cap predictions are that you will be paying more than you need to throughout 2025 compared to fixing with Octopus now.

Here is a quote for the current Octopus 16-month fixed tariff. Based on typical use you would save around £1 a month. It might not sound like much this will increase when the flexible rate goes up in April 2025 and possibly again later in the year. All these extras add up and it is money you don’t need to give away.

You would pay about £1 more than the flexible rate will go up in April and it’s not set to fall to current rates throughout 2025.

Why would you give that away when you can take the lower price with no contracted exit fee? Taking an Octopus fixed tariff isn’t just safe and easy, it’s financially smart. Remember you can get a £50 credit as a new Octopus Energy customer too using my referral link.

In conclusion, don’t let the fear of commitment to a tariff prevent you from saving money. With Octopus Energy’s no-exit fee policy, you have both the savings and the freedom to adapt to market changes. Make the switch, and enjoy peace of mind with your energy bills.

Tip: Existing customers can choose the Loyal Octopus 14M Fixed March v1 tariff, which offers 0.15p/kWh cheaper electricity and 0.03p/kWh cheaper gas than the standard Loyal Octopus fixed tariff. Standing charges remain unchanged, and prices are nearly identical for new and existing customers.

Why Switch to Octopus Energy?

I’ve been an Octopus Energy customer for 7 years and can confidently say switching to them was a great decision. They bring a refreshing approach, focusing on exceptional customer service and pushing the boundaries with innovation in the energy sector.

I’m not alone in this choice. According to recent data, a significant number of customers are also making the switch to Octopus Energy. Here’s a graph illustrating this trend:

[Graph Showing Customer Switch to Octopus Energy]

This visual speaks volumes about the trust and preference customers have for Octopus Energy over other providers.

You may be interested in Sarah’s blog posts;

• Compare Octopus Energy Tariffs
• Should you trust Octopus Energy in 2025?
• Octopus Tracker tariff is it still worth it?
• Octopus Energy Heat Pump offer.
• Octopus Energy Heat Pump review and beginners guide.

 

Rising Energy Bills: Take Control with Solar and Battery Storage

Energy bills keep rising, and global events push prices even higher. Octopus Energy offers support, but you can take control. For me, solar panels and battery storage have been life-changing. I now feel in control of my energy bills, generating my own energy from sunshine in South Wales.

By Sarah Chambers

UPDATE: 25th March 2025 – Octopus has replaced all their solar and heat pump referral codes with referral links, which are much easier to use.  You’ll find my link below. Just register your name and email and then follow the prompt for an Octopus solar quote.

My Experience with Solar and Battery Storage

Over the weekend, I generated around 29 kWh per day and it’s March! I used free solar energy and exported excess back to the grid and it felt great!!

@sarah_go_green Generating solar power this Sunday thanks to my @Octopus Energy installed solar panels!!!!! #moneysavingtips ♬ original sound – sarah_go_green

In 2024, I generated almost as much electricity as I used. (I think I was around 20 kWh short). This included all my home charging for my EV and running a busy home with 3 teenage daughters. This energy independence gives me peace of mind in the unpredictable world we are currently living in.

The Financial Benefits of Solar: What’s Realistic?

Some videos claim you can make £30,000-£40,000 over 10 years with solar. But they often factor in home value increases. One video published this week assumed a 3% home price rise, but that was for a £500,000 house. Most UK homes cost much less and I worry some people will just think it’s only for those with deeper pockets.

My father always said money goes to money. Sometimes this can put you off even trying, but you should as solar power can work for almost everyone!

Coming from a mining community, generating my energy feels like a dream, no mess, no pollution, just the sun effortlessly powering my home. In 2024, I produced almost the exact amount of electricity that I consumed. The shift from relying on external energy sources to self-sufficiency is incredible. Yet, I can’t stop myself from getting irritated by videos that include house price increases as a selling point. I don’t think this helps promote the benefits of solar and battery storage for everyone. Solar isn’t just for large, expensive homes, it makes sense for any homeowner looking for energy security and lower bills. You can even stick them on a camper van and it makes sense!

Don’t be put off by flashy video headlines. Solar is for every homeowner, big or small. Your energy use matters more than your home size. Smaller homes need fewer panels but use less energy. Solar helps everyone save, no matter the house size.

The directions your house faces can make a difference. I am very lucky that all my solar panels face south and I beat large arrays because of this, generating more especially in the winter. But with a home battery, even if you generate energy at the wrong time for your usage you can store it in a home battery to use later or get paid to export it to the grid.

A Home Battery: The Game-Changer

A battery makes all the difference. It lets you store energy for later instead of exporting it right away. This means you can use your solar power when you need it. It cuts bills further and gives energy security.

Octopus Solar Panels Review – My Referral Code (95460) is Now a Referral Link.

Octopus offers 0% financing for solar and battery storage. Right now, my referral link gets you £100 cashback as a Visa cash gift card. If you previously used my code, thank you!  I will still get £100 if you use my Octopus heat pump link so a big thank you if you choose to use it!

For more insights, check out my previous blogs:

• My Journey with Octopus Energy
• How I Reduced My Energy Bills with Solar
• Battery Storage: The Key to Energy Independence

The Future of Solar Tariffs and Heat Pumps

Octopus Energy has great solar tariffs, but don’t base your decision just on today’s deals. Tariffs change, but energy savings last. I’d love another battery before moving to a heat pump. If Octopus launches new off-peak slots or heat pump discounts, it’ll make switching even easier.

Your Power Station

Every energy price rise makes people worry. Solar and battery storage gives you control, lower bills, and greener energy. You don’t need a calculator to see the logic—especially with 0% financing! The sooner you start, the sooner you save.

About Me

I switched to Octopus Energy seven years ago after being with British Gas for 20 years. Since then, I’ve embraced solar power, battery storage, and an EV to reduce my energy costs. My goal is to help others navigate the world of green energy and make informed choices. If you’re thinking about solar, I’d love to hear your thoughts!

Other posts by Sarah;

• Project Mercury – Smart homes of the future.
• Zero Bills Homes Retrofit Suffolk.
• Octopus Cosy Heat Pump Review.