Free solar savings calculator
Work out what solar panels would save you
Set your postcode, bill and roof, and see generation, bill savings, export income, install cost and payback — all before anyone asks for your contact details.
Your home and energy use
Adjust anything below — the figures on the right update instantly.
Sunlight modelled for Midlands
About 6,445 kWh a year
Roughly 16 panels at 440 W
Your estimate
£1,109
Saved in year one
8.1 yrs
Payback period
- Install cost
- £9,870
- 25-year saving
- £38,318
- Annual generation
- 5,957 kWh
- Bill covered
- 35%
No obligation · MCS-certified installers only
Used in your home
2,264 kWh
£555 off your bills
Exported to the grid
3,693 kWh
£554 of SEG income
System
7 kWp
16 panels · £9,870
Carbon avoided
1.23 t
CO₂e every year
Cumulative position over 25 years
Net of the upfront cost, assuming 3% energy price rises.
Every assumption, in the open
We publish the numbers behind the calculator so you can check them — and challenge any quote that disagrees.
See what solar would save you
One minute, two questions, and a real number at the end of it. No cost, no obligation, no cold callers.
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