Guardian: The big six energy companies in Britain are investing on average only £30 per year from each customer in renewable energy projects. If this continues, the UK may miss its 2020 green targets by 50%. The findings, compiled for independent green power group Ecotricity, will be published ahead of the government’s biggest test yet on commercial confidence about wind power, the Tuesday deadline for bids on the third offshore licensing round. Ecotricity claims that British Gas parent …