Savings estimator
What a kit could save each household
In a busy family home with the Max 1260W kit, the saving could be around £180 a year,* around £1,760 over 10 years and £3,430 over 20. Pick a line and a household to see the figure for each property type.
Run the numbers per household
Where the saving goes
To whoever pays the electricity bill. In a rental home, that's usually the tenant. Power the kit sends to the grid isn't paid for, so the more a household uses in daylight, the bigger its saving.
That's why busy homes with someone in all day see the most, and why we show the figure per household, not per portfolio.
What the figure assumes
- about 700 kWh a year for an 800W kit (Energy Saving Trust: south-facing, 30°, unshaded, North West England), scaled to each kit's panels
- kits over 800W capped at 800W at midday, so their extra panel power is counted at a reduced rate
- 40% to 70% of the power used in the home, depending on the household
- the Ofgem price cap unit rate of 26.32p per kWh (1 Oct to 31 Dec 2026)
- panels losing 0.5% of their output a year for the 10 and 20-year totals
- the UK Government's 2026 grid figure of 0.131kg of carbon per kWh
Price a portfolio
Know the mix of homes? Send it and we'll come back to you with a priced proposal.
*Estimate for one household with the Max 1260W kit: a busy four-person home with someone in all day, using 70% of what the kit makes, at the Ofgem price cap unit rate of 26.32p per kWh (1 Oct to 31 Dec 2026). That's around £1,760 over 10 years and £3,430 over 20 at today's rate, allowing for the panels losing 0.5% of their output a year. Electricity sent to the grid isn't paid for. See the working in the estimator.