Czechia
Brno rooftop solar case study
Green bonus payments and EU recovery grants shorten Czech rooftop paybacks.
Payback / System Size
System Size
5.9 kW
Annual Yield
6,800 kWh per year
Payback
5.7 years
Avg install cost
€9,700
Annual savings
€1,700 per year
Lifetime value
€28,200
Why this city shines
Brno tech workers modeled 5.9 kW on duplex roofs, pushing 6.8 MWh through heat-pump radiators.
Rooftop solar in Brno works with a 5.9 kW array that delivers about 6,800 kWh yearly. Install costs near €9,700 translate to roughly €1,700 annual savings and a 5.7-year payback under typical tariffs.
Offsets roughly 2.7 tonnes of CO2 annually.