Commercial Solar Payback Calculator

Estimate your solar generation, savings, and payback period

Your Site Details

Roof area (m²)

500 m²

Postcode (for irradiance)

Annual electricity spend (£)

Daytime self-consumption (%)

60%

Annual value

£10,830

Payback: 33 months

Generation

System size50 kWp

Annual generation47,500 kWh

Self-consumed28,500 kWh

Exported (SEG)19,000 kWh

Investment

Gross capex£40,000

FYA tax relief-£10,000

Net capex£30,000

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