A leading renewable energy source may have prompted more tradesmen to consider PV training after expounding the virtues of greater investment in solar panels in the UK.

Leonie Greene, head of external affairs at the Renewable Energy Association and the Solar Trade Association, wrote in the Guardian that if such microgenerators were fitted to all the south-facing roofs in the country, one-third of its electricity needs would be met.

She went on to note that the UK has come late to the solar energy party and the coalition must find a way of allowing the technology to compete with fossil fuels and nuclear power.

"The government needs a fresh approach to this technology, which has the potential to revolutionise the way we own and generate electricity," wrote Ms Greene.

According to Greenbang, work is due to begin on the world's largest solar energy plant in Blythe, California, which will generate up to 1,000 MW.

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