Solar power is already the world’s biggest energy source – otherwise we wouldn’t be able to see anything, and the temperature would plunge to near absolute zero! As far as our system of energy supply is concerned, solar comes in two basic forms, solar thermal and solar photovoltaics (pv). Here we dicuss mainly solar pv.

Plunging solar pv costs presage big increase in solar pv development in UK

The Solar Trade Association (STA), which is the biggest trade association representing the solar power industry in the UK, has published a report on how orrdinary people and businesses could buy and sell solar electricity (and indeed electricity in general) between each other, and what changes need to be applied to make this happen: ‘Trading Sunlight: Prospects for peer to peer energy trading’