United States
Miami 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.
Payback / System Size
System Size
10.0 kW
Annual Yield
15,000 kWh per year
Payback
6.7 years
Avg install cost
€19,500
Annual savings
€2,600 per year
Lifetime value
€48,000
Why this city shines
A Miami two-story uses a 10 kW roof plus hurricane-rated racking; PVWatts shows 15 MWh covering year-round cooling.
Rooftop solar in Miami works with a 10.0 kW array that delivers about 15,000 kWh yearly. Install costs near €19,500 translate to roughly €2,600 annual savings and a 6.7-year payback under typical tariffs.
Offsets roughly 6.0 tonnes of CO2 annually.