Poland
Warsaw rooftop solar case study
Net-billing reforms plus decreasing hardware costs keep Polish rooftops cash-flow positive.
Remboursement / Taille du système
Taille du système
7.1 kW
Rendement annuel
7,600 kWh per year
Remboursement
5.4 years
Coût d’installation moyen
€10,500
Économies annuelles
€1,950 per year
Valeur sur la durée
€31,500
Pourquoi cette ville brille
Warsaw single-family homes size 7.1 kW arrays that feed heat pumps and export into the new hourly settlement scheme.
Rooftop solar in Warsaw works with a 7.1 kW array that delivers about 7,600 kWh yearly. Install costs near €10,500 translate to roughly €1,950 annual savings and a 5.4-year payback under typical tariffs.
Offsets roughly 3.1 tonnes of CO2 annually.