Czechia
Prague rooftop solar case study
Green bonus payments and EU recovery grants shorten Czech rooftop paybacks.
Payback / System Size
System Size
6.3 kW
Annual Yield
7,000 kWh per year
Payback
5.6 years
Avg install cost
€10,100
Annual savings
€1,800 per year
Lifetime value
€29,500
Why this city shines
Prague brownstones route 6.3 kW outputs through community batteries, banking 7.0 MWh each year.
Rooftop solar in Prague works with a 6.3 kW array that delivers about 7,000 kWh yearly. Install costs near €10,100 translate to roughly €1,800 annual savings and a 5.6-year payback under typical tariffs.
Offsets roughly 2.8 tonnes of CO2 annually.