Estimate your savings, payback period, and return on investment for a solar and battery system
System Setup
kWp
kWh
£
Energy & Tariffs
kWh
Based on UK average of 850 kWh/kWp/year × shading × orientation
p/kWh
p/kWh
p/kWh
%
ROI Summary
Annual Savings
£0
inc. export income
Payback Period
0 yrs
to recover investment
10-Year Net
£0
after system cost
25-Year Net
£0
lifetime estimate
| Metric | Without Battery | With Battery |
|---|---|---|
| Annual generation | 0 kWh | |
| Self-consumed | 0 kWh | 0 kWh |
| Exported | 0 kWh | 0 kWh |
| Import savings | £0 | £0 |
| Export income | £0 | £0 |
| Total annual benefit | £0 | £0 |
Cumulative Savings Over 25 Years
This calculator provides estimates only. Actual savings depend on installation orientation, shading, location, usage patterns, and future energy price changes. Typical solar panel degradation of 0.5% per year is included.