Italy
Milan rooftop solar case study
Italian simulations combine Superbonus-era pricing with 1,300+ kWh per kW resource to keep cash flow positive almost immediately.
Payback / System Size
System Size
6.9 kW
Annual Yield
8,000 kWh per year
Payback
6.8 years
Avg install cost
€11,200
Annual savings
€2,050 per year
Lifetime value
€31,000
Why this city shines
Milanese row homes still export value: a 6.9 kW array sends 8.0 MWh to appliances and EV charging, keeping self-consumption above 70 percent.
Rooftop solar in Milan works with a 6.9 kW array that delivers about 8,000 kWh yearly. Install costs near €11,200 translate to roughly €2,050 annual savings and a 6.8-year payback under typical tariffs.
Offsets roughly 3.1 tonnes of CO2 annually.