Ireland
Cork rooftop solar case study
SEAI grants cut upfront cost, letting Atlantic rooftops break even in about six years.
Payback / System Size
System Size
5.4 kW
Annual Yield
5,200 kWh per year
Payback
5.8 years
Avg install cost
€9,100
Annual savings
€1,550 per year
Lifetime value
€24,800
Why this city shines
Cork bungalows use 5.4 kW installs to offset electric heating and rely on microgeneration export payments.
Rooftop solar in Cork works with a 5.4 kW array that delivers about 5,200 kWh yearly. Install costs near €9,100 translate to roughly €1,550 annual savings and a 5.8-year payback under typical tariffs.
Offsets roughly 2.1 tonnes of CO2 annually.