Slightly off but basically big companies cashing in again:
What's a rent-a-roof scheme?
'Free' solar schemes, also known as rent-a-roof schemes, are run by companies eager to cash in on the feed-in tariff. For example, the following companies all currently offer rent-a-roof schemes: Sainsbury's Energy,British Gas, Eon, Homesun, A Shade Greener, Freesource Energy, Isis Solar, Sunshare and more.
Read more:
http://www.which.co.uk/environment-a...#ixzz1amThqKbh
Consumer Champions Which?
Under Creative Commons License: Attribution Non-Commercial
Why would the government let these companies cashin on these schemes?