Savings Calculator
See exactly how much you could save
Real UK data · Ofgem 2026 unit rates · MCS regional solar figures. No email required.
Tell us about your home
£40£500
Battery increases self-consumption from ~35% to ~78%
Your estimated savings
Annual saving on your energy bill
£1,525
£1,404 bill saving + £121 SEG export
System size needed
6.57 kWp
~17 panels
Annual generation
6,894 kWh
Payback period
7.6 yrs
25-year savings
£38,125
CO₂ saved / year
1,427 kg
Trees equivalent
66 trees
Recommended Package
Package 3 · Max Independence
£11,560 · From £105/mo
📊 How we calculate
Based on Ofgem's July–September 2026 price cap (average 26.11p/kWh), MCS MIS 3002 regional irradiance data, industry-standard performance ratio of 0.8, self-consumption rates of 35% (no battery) or 78% (with battery), and SEG export rate of 8p/kWh. Actual figures confirmed at free site survey.