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Wind farms paid £30m to shut down during high winds  

Credit:  By Tim Ross, Political Correspondent | Telegraph | 23 Feb 2014 | www.telegraph.co.uk ~~

Onshore wind farms are being paid £30 million a year to sit idle during the windiest weather.

The payments are made because the cables which transmit power from the turbines to the National Grid cannot cope with the amount of electricity they produce during stormy conditions.

Ministers are launching a fresh crackdown on the compensation charges – which ultimately end up on customers’ bills – and are threatening to force power companies to reduce the cost of the payments.

Michael Fallon, the Energy Minister, has written to renewable power companies warning that he is ready to change the law to force wind farms to lower their prices if they fail to cut the costs voluntarily.

The scale of the compensation payments, which can be disclosed for the first time, will fuel opposition to wind generators from campaigners who argue that they are inefficient and blight the landscape.

The payments are made to wind farm owners on top of “green subsidies” that they already receive to encourage renewable power plants to be built.

These subsidies are set by the government but paid ultimately from customers’ household bills.

On a daily basis, the National Grid forecasts what the likely demand for electricity will be and assesses it against the generating capacity of wind farms, as well as coal, gas and nuclear power stations.

When there is expected to be too much electricity generated by power plants for the network of transmission cables to handle, the National Grid invites companies to bid for compensation to shut down some or all of their equipment.

Wind farms are often thought to be among the first generators chosen to be switched off because they are relatively easy to stop, by applying brakes to the turbines to halt their movement.

Individual wind farms companies set the levels of their compensation demands and the National Grid then chooses which bids offer the best value.

The total amount paid out through these compensation arrangements – known as “constraint payments” – has risen dramatically in the last four years as the number of onshore wind turbines has grown. Between 2010 and October 2012, £17.8 million was paid in total.

But new figures based on Ofgem data disclose that these payments are expected to cost consumers £30 million this year.

On one day in August last year, 27 wind farms across the country had to shut down some or all of their turbines, costing more than £2 million in constraint payments, according to figures from the Renewable Energy Foundation.

In the first six weeks of 2014 alone, more than £4.2 million has been paid to wind farms to switch off their equipment, the Foundation said.

However, under pressure from the government, the average compensation payment has fallen significantly, even though the total has risen.

A new licence rule which applies to larger wind farms bans them from charging high prices, at the expense of consumers, when they are asked to switch off their turbines.

But smaller wind farms are exempt from the licence requirement and Mr Fallon is concerned that some are now charging the National Grid unduly high prices to shut down.

Smaller wind generators are charging the Grid 30 per cent more on average to switch off turbines than larger power plants, the figures showed.

In a letter to Renewable UK, the trade body for wind power, Mr Fallon said this practice must end.

Mr Fallon urged wind power companies to show “restraint” in the prices they charge for compensation.

“Bids being accepted by National Grid to reduce generation from a few licence exempt wind farms are substantially higher than those relating to licensed wind farms,” Mr Fallon said.

The energy regulator, Ofgem, has contacted some of the offending wind farm owners and these companies should “cooperate”, explain why their charges are so high, and, “where appropriate”, reduce their bills, he said.

Mr Fallon said “the government stands ready, if necessary”, to force individual wind farms to comply with tougher rules if they fail to cut their charges.

Ministers are also prepared to “extend the discipline” of the licence rules, which prevent larger wind farms exploiting the compensation scheme, to all onshore wind farms regardless of their size, he said. This will be done “through changes to legislation, should that prove necessary”, Mr Fallon warned.

The estimates seen by the Telegraph suggest that on average, wind farms that are exempt from the licence rules were paid £104 per megawatt hour to turn off their turbines last year, compared with £80 per megawatt hour for larger licensed generators.

It is understood that eight wind farms in particular have been charging excessive rates in exchange for shutting down turbines during windy weather, although they have not been publicly named.

Mr Fallon has also written to Energy UK, representing the major power companies, Scottish Renewables and the Renewable Energy Association.

Maria McCaffery, Renewable UK’s chief executive, said the wind farm industry had already taken steps to bring down costs of compensation and would continue work to “provide the best value for money for consumers”, she said.

“As the cost of using fossil fuels is so high – and importing gas is particularly expensive – we need to lessen our dependence on them by harnessing our own abundant, clean and totally sustainable resources,” she said.

“Wind is playing an increasingly vital role in our electricity mix as a flexible energy source that can be managed to fit our electricity demands by shutting down and powering up more easily and more quickly than other forms of energy.”

Source:  By Tim Ross, Political Correspondent | Telegraph | 23 Feb 2014 | www.telegraph.co.uk

This article is the work of the source indicated. Any opinions expressed in it are not necessarily those of National Wind Watch.

The copyright of this article resides with the author or publisher indicated. As part of its noncommercial effort to present the environmental, social, scientific, and economic issues of large-scale wind power development to a global audience seeking such information, National Wind Watch endeavors to observe “fair use” as provided for in section 107 of U.S. Copyright Law and similar “fair dealing” provisions of the copyright laws of other nations. Send requests to excerpt, general inquiries, and comments via e-mail.

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