Government legislation compels energy supply companies to pay 10 times the normal rate to renewable generators. Its obvious that by the time 10% of our energy is from such sources, the price to the consumer must be doubled.
The European Union must make a drastic shift from fossil fuels and derive more and more of its power from renewable sources, driving up electricity costs over the next two decades, according to a draft document seen by Reuters on Monday
http://www.reuters.com/article/2011/10/17/us-regulation-carbon-idUSTRE79G5XX20111017