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Hot summer bestows solar power bounty on Britain Hot summer bestows solar power bounty on Britain
(about 3 hours later)
Weeks of strong sunshine across much of Britain and a surge in photovoltaic (PV) panels installations has resulted in the record generation of solar power, according to figures from government and the industry.Weeks of strong sunshine across much of Britain and a surge in photovoltaic (PV) panels installations has resulted in the record generation of solar power, according to figures from government and the industry.
There are now over 450,000 solar installations, almost all on household roofs, which together have a capacity of 2.7GW. On a sunny day solar power is able to generate around 2% of UK demand over a 24-hour period. But because solar panels generate electricity in peak daylight hours, this is the equivalent of around 6% of all electricity needed in Britain between 10am and 5pm.There are now over 450,000 solar installations, almost all on household roofs, which together have a capacity of 2.7GW. On a sunny day solar power is able to generate around 2% of UK demand over a 24-hour period. But because solar panels generate electricity in peak daylight hours, this is the equivalent of around 6% of all electricity needed in Britain between 10am and 5pm.
According to calculations by the Solar Trade Association, record amounts of electricity will have been generated in the recent heatwave, with solar overtaking wind power for the first time. In the past year, more than 100,000 households installed solar despite the so-called feed in tariff subsidy being slashed by the government.According to calculations by the Solar Trade Association, record amounts of electricity will have been generated in the recent heatwave, with solar overtaking wind power for the first time. In the past year, more than 100,000 households installed solar despite the so-called feed in tariff subsidy being slashed by the government.
"The UK generated around 16MWh (16,000,000kWh) on Tuesday compared to 9,900MWh of wind. The total consumption of electricity on this relatively calm day was 766,987MWh," said Ray Noble, PV specialist at the Solar Trade Association. "The UK generated around 16,000MWh on Tuesday compared to 9,900MWh of wind. The total consumption of electricity on this relatively calm day was 766,987MWh," said Ray Noble, PV specialist at the Solar Trade Association.
"These few sunny weeks have shown that the solar resource in Britain is phenomenal," said Leonie Greene, communications director of the association."These few sunny weeks have shown that the solar resource in Britain is phenomenal," said Leonie Greene, communications director of the association.
"We now have a very large number of domestic installations and around one-third of the solar electricity generated now comes from utility-sized solar fields. But there are still very few medium-sized commercial or industrial installations. If the government backed these they would see enormous payback.""We now have a very large number of domestic installations and around one-third of the solar electricity generated now comes from utility-sized solar fields. But there are still very few medium-sized commercial or industrial installations. If the government backed these they would see enormous payback."
The Met Office said it was too early to say whether British sunshine records will be broken in July. But they released figures showing that England and Wales received over 75% of the long-term monthly average for July in the first two weeks of the month. Wales received more hours of sunshine both in June and in the first two weeks of July than any other region in Britain.The Met Office said it was too early to say whether British sunshine records will be broken in July. But they released figures showing that England and Wales received over 75% of the long-term monthly average for July in the first two weeks of the month. Wales received more hours of sunshine both in June and in the first two weeks of July than any other region in Britain.
The blazing summer has resulted in more solar records falling across Europe. In Germany, which has more solar capacity than any other country in the world, the 1.3m installations generated nearly 40% of the country's daytime electricity demand on 7 July."The blazing summer has resulted in more solar records falling across Europe. In Germany, which has more solar capacity than any other country in the world, the 1.3m installations generated nearly 40% of the country's daytime electricity demand on 7 July."
"Germany is now light years ahead of the UK and benefitting. Within a decade, many German towns and cities could be substantially 'off-grid' [or self sufficient] and will be taking the grid system out of the hands of the private energy companies," said Alan Simpson, former Labour MP and now independent adviser on renewable energy after a fact-finding tour of German renewable industries."Germany is now light years ahead of the UK and benefitting. Within a decade, many German towns and cities could be substantially 'off-grid' [or self sufficient] and will be taking the grid system out of the hands of the private energy companies," said Alan Simpson, former Labour MP and now independent adviser on renewable energy after a fact-finding tour of German renewable industries.
"Whereas in Britain, nearly all installations face south to capture peak sunshine, in Germany the problem now is to avoid massive peaks in the middle of the day. They now need to come up with west-facing panels to spread the electricity generated across the day"."Whereas in Britain, nearly all installations face south to capture peak sunshine, in Germany the problem now is to avoid massive peaks in the middle of the day. They now need to come up with west-facing panels to spread the electricity generated across the day".
According to Simpson, solar power in Germany may have "grid parity" by 2017. "That is the point when solar will be generating electricity at wholesale prices."According to Simpson, solar power in Germany may have "grid parity" by 2017. "That is the point when solar will be generating electricity at wholesale prices."
"Solar power can now be generated for 10 eurocents per kilowatt-hour. That is a very good price," said Bernhard Beck, chief executive of German solar power plant builder Belectric. "We are approaching the costs of generation from new conventional power stations"."Solar power can now be generated for 10 eurocents per kilowatt-hour. That is a very good price," said Bernhard Beck, chief executive of German solar power plant builder Belectric. "We are approaching the costs of generation from new conventional power stations".
• This article was amended on 26th July 2013. It originally referred to the UK generating 16 MWh of solar energy. The correct figure is 16,000MWh. This has been changed.