Is Solar PV expensive?
The cost of Solar PV has decreased significantly over the last 20 years. In 1980 the price of a PV module was around £15 per Wp compared to current prices of approx £4 per Wp. An installed 1kWp grid-connected system will typically cost around £6,500 plus VAT and a 2kWp system around £11,500 plus VAT.