The average domestic solar PV system is 4kWp and on average costs between £6,000 and £8,000 with smaller systems starting from as little as £3,000. (including VAT at 5%). Costs have fallen significantly over the last year. Guidance on finding an installer.Other factors that affect PV installation costs are:
October 2012, saw the launch of the Green Deal, a Government scheme which is set to revolutionise Britain's poorly insulated and ageing housing stock. Through the scheme customers are able to apply for funding to install energy efficiency home improvements including solar panels and other microgeneration technologies.
A 4kWp system can generate around 3,700 kilowatt hours of electricity a year – roughly equivalent to a typical household's electricity needs. It will save nearly two tonnes of carbon dioxide every year.
Savings per year
Carbon dioxide per year
|Registered on and from 1st April 2014||4kWp||£750||1.8 tonnes|