Austria
Graz rooftop solar case study
Austria's klimaaktiv program plus cooperative utilities create predictable funding for rooftops.
Remboursement / Taille du système
Taille du système
6.4 kW
Rendement annuel
7,600 kWh per year
Remboursement
5.6 years
Coût d’installation moyen
€10,300
Économies annuelles
€2,000 per year
Valeur sur la durée
€31,500
Pourquoi cette ville brille
Graz hillside villas lean 6.4 kW arrays toward the Mur valley sun, producing 7.6 MWh for under EUR 10,300 installed.
Rooftop solar in Graz works with a 6.4 kW array that delivers about 7,600 kWh yearly. Install costs near €10,300 translate to roughly €2,000 annual savings and a 5.6-year payback under typical tariffs.
Offsets roughly 3.1 tonnes of CO2 annually.