United States
Austin rooftop solar case study
US homeowners combine PVWatts modeling with time-of-use tariffs, tax credits, and strong sun to keep payback compelling coast to coast.
Remboursement / Taille du système
Taille du système
8.8 kW
Rendement annuel
14,000 kWh per year
Remboursement
6.9 years
Coût d’installation moyen
€17,000
Économies annuelles
€2,450 per year
Valeur sur la durée
€47,000
Pourquoi cette ville brille
East Austin ranch homes fit 8.8 kW arrays making 14 MWh; buyback credits plus tax incentives keep payback under seven years.
Rooftop solar in Austin works with a 8.8 kW array that delivers about 14,000 kWh yearly. Install costs near €17,000 translate to roughly €2,450 annual savings and a 6.9-year payback under typical tariffs.
Offsets roughly 5.8 tonnes of CO2 annually.