Solar PV for flat roof property
|20 year Return||£18,000|
|Payback||7 years (14% return)|
|Cost||£5,000 - £7,000|
|Bill Saving||£300 p.a.|
|Carbon Offset||2,000 Kg p.a.|
Return is calculated using combined bill savings and subsidy earnings. Bill savings are calculated using estimated energy usage and either the electricity price at the time of installation (3 February, 2014) or, for our heating products, the existing fuel type available to the property.