Octopus Energy is the UK's most awarded energy supplier — and their Smart Tech division brings the same quality and transparency to home renewable installations. Updated March 2026.
Octopus Energy was founded in 2015 with a mission to make green energy affordable and accessible for everyone. Starting as a challenger energy supplier, the company has grown to become the UK's largest domestic energy supplier by customer satisfaction, serving over 7 million households across the country.
The company is built on a foundation of technology and transparency. Their proprietary Kraken platform powers their smart tariffs, customer service operations, and energy management systems — and has been licensed to energy companies around the world.
Octopus Energy has been named Which? Recommended Energy Supplier for nine consecutive years — a record unmatched by any other UK energy company. Their Trustpilot rating of 4.8 stars, based on over 776,000 reviews, reflects their commitment to customer service.
Octopus Energy Smart Tech is the division of Octopus Energy responsible for home renewable technology installations — including solar panels, heat pumps, and EV charging.
Octopus Energy Smart Tech installs complete solar panel systems, including panels, inverters, batteries, and smart meter connections. All installations include a 5-star aftercare service and integration with Octopus's smart solar tariffs.
Learn More →Octopus Energy Smart Tech installs the Cosy heat pump — designed and built in the UK. They handle the entire process including the Boiler Upgrade Scheme grant application, installation, and commissioning.
Learn More →Octopus Energy also installs home EV chargers, integrated with their Intelligent Octopus tariff to automatically charge your vehicle during the cheapest overnight periods — reducing charging costs significantly.
Octopus Energy Smart Tech has earned a reputation as the UK's most trusted renewable energy installer. Here's why.
Octopus Energy Services is independently assessed and approved as a Which? Trusted Trader for installations. This means their engineers, processes, and customer service have been verified to meet the highest standards. Which? Trusted Trader status is only awarded to companies that pass rigorous checks on their trading practices, customer feedback, and technical competence.
With over 776,000 reviews and a 4.8-star rating on Trustpilot, Octopus Energy is one of the highest-rated energy companies in the UK. Customers consistently praise the quality of their installations, the helpfulness of their support team, and the transparency of their pricing.
All Octopus Energy Smart Tech installations are carried out by MCS (Microgeneration Certification Scheme) certified engineers. MCS certification is a requirement for accessing government grants and feed-in tariffs, and ensures that all installations meet the highest technical standards.
Octopus Energy's UK-based support team is available 7 days a week. There are no call-out fees for issues arising from the installation, and the Octopus app provides real-time monitoring of your system so any issues can be identified and resolved quickly.
This website is an independent referral site. We are not affiliated with, endorsed by, or representing Octopus Energy Ltd. We are existing Octopus Energy customers who have benefited from their Smart Tech products and want to share the referral offer with others.
When you use our referral link to request a quote and complete a qualifying installation, we may receive a small commission from Octopus Energy. This does not affect the price you pay, and your £100 gift card reward is provided directly by Octopus Energy.
All information on this site is accurate to the best of our knowledge as of March 2026, but pricing, grant amounts, and referral terms may change. We always recommend verifying current offers directly with Octopus Energy at octopus.energy.
Our referral link: tech.referrals.octopus.energy/uId9QmaR — use this link to ensure your £100 gift card is tracked correctly.