Spain
Barcelona rooftop solar case study
Spanish users see 1,700 kWh per kW resources plus flexible compensation erase most utility spend even on mid-sized roofs.
Zwrot inwestycji / Rozmiar systemu
Rozmiar systemu
5.9 kW
Roczny plon
9,100 kWh per year
Zwrot inwestycji
5.6 years
Śr. koszt instalacji
€9,000
Roczne oszczędności
€2,150 per year
Wartość w cyklu życia
€33,500
Dlaczego to miasto się wyróżnia
Barcelona townhouse owners size 5.9 kW systems that throw off 9.1 MWh and power home offices through Mediterranean daylight.
Rooftop solar in Barcelona works with a 5.9 kW array that delivers about 9,100 kWh yearly. Install costs near €9,000 translate to roughly €2,150 annual savings and a 5.6-year payback under typical tariffs.
Offsets roughly 3.8 tonnes of CO2 annually.