Sunsave launched its solar subscription model, Sunsave Plus, at the beginning of 2024, according to Flexi-Orb, the certification body that later certified the company1. Sunsave describes Sunsave Plus as the UK's first solar subscription service, and says it has grown over 32% month on month since the launch2. The company was founded in 20221.
Under the model, Sunsave provides the financing itself rather than partnering with a bank, so customers deal with one company for installation, financing and ongoing maintenance1. Customers make a fixed monthly payment for 20 years instead of paying an upfront cost2. Sunsave states that households with Sunsave Plus have seen net savings of over £685 per year on their energy bills, with most customers' savings exceeding their subscription costs2. The company says the fixed payment also protects customers from long-term energy price rises2.
The subscription is structured as an unsecured personal loan rather than a roof lease, which Sunsave says means customers own their solar and battery systems from day one3. Sunsave states that when Sunsave Plus launched in early 2024 it asked roughly 60% of customers for income documents, and that this is now around 5%3. It also reports that the share of lending decisions made instantly rose from 8% to 85%3.
Flexi-Orb awarded Sunsave certification in August 2024, stating that Sunsave is among the first companies to gain it and the first in the UK to offer this type of solar panel subscription model1. Flexi-Orb's UKAS recognised certification covers the installation of solar photovoltaics, electrical energy storage systems and electric vehicle charge points1. Sunsave's long-term support, described as the 20-year Sunsave Guarantee, includes 24/7 monitoring and maintenance, a free battery upgrade, a free inverter replacement if required, insurance and downtime cover2. Flexi-Orb describes the subscription as carrying a 20-year guarantee to ensure the system's performance and longevity1.
"We are delighted to announce that the ground-breaking new solar panel subscription company Sunsave has been awarded Flexi-Orb certification."
Sunsave has been awarded almost £2 million from the UK Government's Green Home Finance Accelerator, part of the Net Zero Innovation Portfolio1. In July 2025 it announced £113 million raised, comprising a £100 million facility from Crédit Agricole and £13 million in Series A equity funding led by Norrsken VC and IPGL2. Sunsave says the debt facility will fund the installation of tens of thousands of Sunsave Plus solar and battery systems, accelerating its rollout across England and Wales2.
Why it matters for households
A subscription model removes the upfront cost that Sunsave identifies as the main barrier to households going solar, and bundles installation, financing and maintenance into a single contract1. Because the payment is fixed for 20 years, the household's exposure to future energy price rises is reduced for the portion of electricity the system supplies2. Ownership sits with the customer from day one under the loan structure, rather than the system being leased3. For a home's energy independence, the relevant questions are how much of annual consumption the system and battery cover, and what happens at the end of the 20-year term. The sources do not set out what happens to the contract or the equipment after 20 years, and no exit terms are reported.
What happens next
Sunsave states it intends to expand Sunsave Plus to cover complementary services such as EV chargers and heat pumps, with the aim of becoming an all-in-one home energy platform2. No dates for that expansion are given in the sources. Flexi-Orb states that certification is currently available through Simply Certification and Blue Flame Certification, with more certification bodies working on applications to offer the scheme1.
Sources3 cited
- Sunsave gain Flexi-Orb certification, flexi-orb.com
- We’ve raised £113m to help more homes save with solar, sunsave.energy
- How we cut underwriting decisions from days to seconds, sunsave.energy