Calculate potential savings from installing solar panels on your UK home.
Annual Benefit
£522
Payback: 11.5 years
Annual Generation
3600 kWh
Bill Savings
£441
SEG Income
£81
25yr ROI
118%
Solar panels are a significant investment but can pay for themselves in 7-12 years through reduced electricity bills and SEG export payments. Self-consumption is the key to maximising savings.
Understanding your home energy usage is the first step towards reducing your bills. You may also find our Gas Heating BTU Calculator useful for related calculations.
For a broader view of your finances, try the Energy Bill Calculator or the Percentage Calculator. All of our calculators are free to use and updated for the 2026/27 tax year where applicable.
Gas Heating BTU Calculator
Calculate the BTU requirement for heating a room and choose the right radiator s...
Energy Bill Calculator
Estimate your monthly and annual energy costs based on your electricity and gas ...
Electricity Cost Calculator
Calculate the running cost of any electrical appliance based on wattage and your...
Insulation Savings Calculator
Calculate potential savings from insulating your home including loft, cavity wal...
Boiler Size Calculator
Calculate the right boiler size for your home based on radiators and bathrooms.
Radiator Size Calculator
Calculate the BTU output needed for radiators in each room of your home.
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