Octopus Energy just announced 30kWh home batteries to compete with Tesla Powerwall but they won't go on sale till 2027

Date:
Sat, 27 Jun 2026 09:00:00 +0000

Description:
Octopus launches plug-in and wall-mounted batteries reaching 30kWh capacities across five European countries in 2027.

FULL STORY ======================================================================Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Octopus enters the home battery market with two distinct systems Nook Cube and Nook Colossus Renters receive the Nook Cube, a plug-in battery requiring no installation work Homeowners
get Nook Colossus, which can be expanded to a substantial 30kWh capacity Octopus Energy has unveiled a new home battery range called Nook, aiming squarely at the household storage market.

Announced at the company's recent Energy Tech Summit, the range includes two distinct products built for different types of customers. One option targets the more than 10 million renting households and tenants in Britain, while the other suits homeowners seeking a permanently installed system. Latest Videos From Watch full video here: Two battery systems built for different
households Octopus says the plug-in option for renters, called Octopus Nook Cube, is a compact, shoebox-sized 2kWh battery that connects to any standard wall socket.

Customers can add extra units through the Octopus app, allowing total storage to scale up to 10.5kWh over time. You may like Lidl launches super-cheap
solar balcony battery to help cut energy bills EcoFlow Stream Ultra X balcony solar battery review Octopus Energy is giving away more free electricity to its 8 million customers

For homeowners, Octopus is launching a wall-mounted, engineer-installed
system called Octopus Nook Colossus, available in 5kWh and 10kWh configurations.

Larger households can stack additional units to reach a maximum capacity of 30kWh, positioning it as a genuine rival to Tesla's Powerwall lineup. Are you a pro? Subscribe to our newsletter Sign up to the TechRadar Pro newsletter to get all the top news, opinion, features and guidance your business needs to succeed! Contact me with news and offers from other Future brands Receive email from us on behalf of our trusted partners or sponsors By submitting
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Both systems work alongside existing solar panel installations and carry a 12-year warranty as standard.

Unlike many existing systems, the battery connects directly to a standard household socket without requiring an engineer installation or property modifications.

Octopus plans to begin sales of the batteries next year across the UK, Germany, France, Italy, and Spain. What to read next Bluetti says home solar power is now plug-and-play I went to the Balco launch to see if its really that simple 6 key takeaways from the Bluetti Balco launch everything you
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That timeline means households hoping for immediate alternatives to Tesla Powerwall products will need to wait until at least 2027. Savings claims rest on existing smart tariffs Home batteries store electricity when prices fall before releasing it later when tariffs become significantly more expensive
for consumers.

Octopus says customers can increase savings further by pairing battery
systems with its own smart electricity tariffs and plans.

According to the company, those tariffs have already helped customers collectively save almost 1 billion on energy expenditure.

Home batteries are a brilliant piece of tech and one of the smartest ways to cut energy bills right now, said Greg Jackson, Founder and CEO of Octopus Energy Group.

Offering Octopus batteries to our customers is a big step in our mission to help people to tap into the cheapest energy possible.

Demand for domestic storage has reportedly accelerated following instability in the Middle East and increasingly unpredictable energy prices worldwide.

Across the UK, Spain, and France, Octopus says it has already installed
almost 26,000 solar and battery systems.

This launch makes Octopus the first major British energy supplier to sell its own battery range directly to customers.

Whether a delayed arrival affects enthusiasm remains uncertain, although rising energy costs may leave little shortage of interested buyers. Follow TechRadar on Google News and add us as a preferred source to get our expert news, reviews, and opinion in your feeds.



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