Energy

Solar panel ROI and other energy-related calculations.

Solar panel payback calculatorPayback period, savings and export tariff for 2026.Heat pump – United KingdomRequired output in kW, comparison with gas and pellets, and payback time.

Show for other countries too (14)

Austria

Solar panel ROI – AustriaPayback period and savings under Austrian feed-in rates.Heat pump – AustriaRequired output in kW, comparison with gas and pellets, and payback time.

Czechia

Solar panel ROI – CzechiaPayback period and savings under Czech feed-in rates.Heat pump – CzechiaRequired output in kW, comparison with gas and pellets, and payback time.

Germany

Solar panel ROI – GermanyPayback period and savings under German feed-in rates.Heat pump – GermanyRequired output in kW, comparison with gas and pellets, and payback time.

Hungary

Solar panel ROI – HungaryPayback period and savings under Hungarian feed-in rates.Heat pump – HungaryRequired output in kW, comparison with gas and pellets, and payback time.

Poland

Solar panel ROI – PolandPayback period and savings under Polish feed-in rates.Heat pump – PolandRequired output in kW, comparison with gas and pellets, and payback time.

Slovakia

Solar panel ROI – SlovakiaPayback period and savings under Slovak feed-in rates.Heat pump – SlovakiaRequired output in kW, comparison with gas and pellets, and payback time.

Slovenia

Solar panel ROI – SloveniaPayback period and savings under Slovenian feed-in rates.Heat pump – SloveniaRequired output in kW, comparison with gas and pellets, and payback time.