Telegraph: Alistair Darling announced £525 million for offshore wind farms in the Budget as part of a range of measures to boost the renewable energy industry. The money will be delivered through the Renewables Obligation Certificate or Roc scheme, which rewards energy companies that invest in green power. By pumping in the extra cash, the Government expect to boost investment in wind by £9 billion and increase the number of homes powered by offshore wind by 2.8 million. However …