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.
Remboursement / Taille du système
Taille du système
5.9 kW
Rendement annuel
9,100 kWh per year
Remboursement
5.6 years
Coût d’installation moyen
€9,000
Économies annuelles
€2,150 per year
Valeur sur la durée
€33,500
Pourquoi cette ville brille
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.