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Sunsave raises £13m Series A led by Norrsken VC and IPGL alongside £100m debt facility to roll-out solar subscription offering

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Sunsave
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Alick Dru; Ben Graves
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£113m
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London, United Kingdom
Jul 21, 2025

Sunsave, the UK’s first FCA-authorised solar subscription service, has raised £113 million to accelerate its rollout of rooftop solar across England and Wales and save households hundreds of pounds each year. The round comprises £13 million in Series A equity funding co-led by Norrsken VC and IPGL, alongside a £100 million debt facility from Crédit Agricole CIB to continue scaling their rapidly growing solar subscription service, helping tens of thousands of British households install rooftop solar panels over the coming years.

The company’s long-term vision is to be the UK’s first all-in-one home energy platform, bringing software, hardware and financing together to save households money and make them more energy self-sufficient. Over time, Sunsave will use the funding to expand its subscription service into complementary services, including EV chargers, heat pumps, and software to help customers save more by optimising their tariffs and helping to balance the grid.

New investors in the equity round include Clearance Capital and early employees from Wise, with returning investors Lord Michael Spencer (founder of ICAP), Lord Stuart Rose (Non-Executive Director, and former Chairman of Asda) and Roland Rudd (founder and Chairman of FGS Global). The round was pre-empted and oversubscribed, with all major investors following on or increasing their stakes.

Founded in 2022 by Oxford University alumni Alick Dru and Ben Graves, Sunsave fills a critical gap in the market: while 70% of UK households would consider installing solar panels, only 5% have adopted them due to the upfront cost typically exceeding £10,000.

Named 14th fastest-growing UK startup by Sifted earlier this year, Sunsave has grown over 32% month-on-month since launching its subscription service, Sunsave Plus, in January 2024.

Sunsave’s subscription model removes all upfront costs, meaning customers save money on their energy bills from day one with fixed monthly payments, beginning at £69 per month.

Sunsave has already rolled out solar panels to homes across England and Wales. Households with Sunsave Plus have seen net savings of over £685 a year on their energy bills, with most customers’ savings exceeding their subscription cost. With Sunsave Plus, customers are saving from day one, and their fixed monthly payments means they’re protected from long-term energy price volatility.

Unlike most other financed solar options, such as ‘Rent-a-roof’ schemes or lease models, Sunsave Plus customers have full ownership of their system from the moment it’s installed.

Sunsave Plus includes the design, supply, financing and installation of a solar and battery system tailored to each home, with 20 years of monitoring, maintenance, replacement parts, and insurance included.

Sunsave was founded in 2022 with a mission to make solar and battery storage accessible to all UK households. Since launch, our £0 upfront subscription has seen rapid adoption, helping homes save hundreds of pounds on their energy bills and make a real difference to their finances. This £113m fundraise is a significant milestone in our journey - it will let us meet rapidly growing demand, launch new products, and give customers peace of mind that we'll be here to support them for the long term.
Alick Dru, Co-founder & CEO
The Sunsave journey so far shows there’s massive pent-up demand for solar when you remove the biggest barrier: high upfront costs. Our customers don’t just want solar for the environmental benefits. Going solar can save you real money and help protect you from volatile energy bills. This funding validates our vision of making clean energy accessible and cheap to every UK household. We’re not just selling solar panels - we’re rebuilding the relationship between households and energy, making it more affordable, sustainable, and customer-centric.
Ben Graves, Co-founder & COO
Sunsave has cracked the code on making affordable solar a reality for the mainstream, removing the upfront cost that’s long held households back from making the switch. In just a short period of time, they’ve shown outstanding traction, solid unit economics, and secured strategic partnerships that set them apart. With the UK solar market on the brink of major growth, Sunsave is perfectly positioned to become a category-defining force in the energy transition.
Agate Freimane, General Partner at Norrsken VC
We’re delighted to support Sunsave on their mission to make solar accessible to UK homes. This £100m private securitisation warehouse, structured by our Distributed Generation franchise that associates Project Finance and Securitisation team members, will support the roll out of Sunsave’s first of its kind solar subscription model to tens of thousands of households, underlining our commitment to the green transition.
Jérôme Michel, MD at Crédit Agricole CIB
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