Norway
Oslo rooftop solar case study
Low ambient temperatures and household incentives keep Norwegian PV productive despite latitude.
Payback / System Size
System Size
6.4 kW
Annual Yield
5,800 kWh per year
Payback
6.3 years
Avg install cost
€11,100
Annual savings
€1,700 per year
Lifetime value
€26,500
Why this city shines
An Oslo terrace couples 6.4 kW with heat-pump storage, taking advantage of Enova cash grants.
Rooftop solar in Oslo works with a 6.4 kW array that delivers about 5,800 kWh yearly. Install costs near €11,100 translate to roughly €1,700 annual savings and a 6.3-year payback under typical tariffs.
Offsets roughly 2.3 tonnes of CO2 annually.