More tradesmen could sign up for renewable energy courses following the publication of the Electricity Market Reform (EMR) White Paper, which one source has claimed should make the UK more attractive to investors.

Matthew Spencer, director of the Green Alliance, accepted that it will be another year before people see precise details of what the government is proposing, but he feels it is a "significant step forward".

He said: "It moves the UK from having an offer on renewables to having contracts on renewables, and that will de-risk investment in renewable energy significantly."

Mr Spencer stressed that presently not enough is being done to encourage renewable energy production on an industrial scale.

In his view, the national target of producing 15 per cent of UK electricity from sustainable sources is still viable.

The EMR White Paper discussed the use of various renewable energy power sources alongside other supply techniques such as new nuclear and gas.

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