Switzerland
Zurich rooftop solar case study
Swiss feed-in premiums and high retail tariffs offset elevated capex for alpine rooftops.
Remboursement / Taille du système
Taille du système
8.0 kW
Rendement annuel
7,800 kWh per year
Remboursement
6.8 years
Coût d’installation moyen
€14,500
Économies annuelles
€2,600 per year
Valeur sur la durée
€36,000
Pourquoi cette ville brille
Zurich penthouses model 8 kW arrays that keep elevators, EV chargers, and base load powered off 7.8 MWh yearly.
Rooftop solar in Zurich works with a 8.0 kW array that delivers about 7,800 kWh yearly. Install costs near €14,500 translate to roughly €2,600 annual savings and a 6.8-year payback under typical tariffs.
Offsets roughly 3.4 tonnes of CO2 annually.