Ten wind farms have each been paid more than £3 million over the past three
years to shut down their turbines, with one alone receiving £11 million

By Edward Malnick

A wind farm has been paid £11 million not to produce electricity, The
Telegraph can disclose.

An analysis shows that 10 wind farms have each been paid more than £3
million over the past three years to shut down their turbines.

The sums being handed out to renewable energy companies are up to double
what they would have received for producing electricity.

The highest payment of £11.1 million was paid over three years to
ScottishPower, a Spanish-owned firm, which operates the Whitelee wind farm,
around 10 miles from Glasgow.

The disclosures prompted claims that the Government has failed to “rein in”
the amounts being demanded by wind farm owners to turn off their turbines
to stop the electricity network becoming overloaded.

The money, which is ultimately added to household bills, is being paid to a
series of firms, including a handful owned by the Swedish, Norwegian and
Danish governments.

National Grid is responsible for managing the flow of electricity and hands
producers “constraint payments” to shut down when there is a risk of the
grid overloading because too much is being generated.

Each owner asks for a particular sum for each megawatt hour of energy its
turbines would have produced had they been switched on, and National Grid
chooses whether to accept their assessment.

The industry says the payments cover forgone subsidies, the wear and tear
of shutting turbines down and administration costs.

In September 2011 MPs demanded action by Ofgem, the energy regulator, after
The Telegraph disclosed that the Norwegian owners of the Crystal Rig wind
farm in the Scottish Borders had been paid £1.2 million not to produce
electricity for eight and a half hours.

Ofgem said that since then it has brought down the cost of constraint
payments, but critics said firms were still making “excessive” profits.

The Renewable Energy Foundation think tank, which compiled the latest
figures from official data, warned that the companies had either made
“token reductions” to the amounts or “simply ignored” warnings that they
should be brought down.

The total payments since 2011 have exceeded £70 million. Many have been
made to wind farms in Scotland, where a large proportion of the UK’s
turbines have been built and there are “bottlenecks” of energy leaving the
area during high winds.

Among the payments was a total of £7.6 million to RWE Innogy, a
German-owned firm, for shutting down the Farr wind farm, 10 miles from
Inverness, on dozens of occasions. The sum includes £357,353 for shutting
down the wind farm over six days this month.

Fred Olsen has received £3.2 million for shutting down its 85-turbine
Crystal Rig wind farm over the past three years, including £159,987 earlier
this month amid the high winds caused by Hurricane Bertha.

It asked for £114 per megawatt hour of energy the turbines would have
produced had they been switched on, which National Grid accepted.

However, the main loss from turning off its turbines was a consumer subsidy
amounting to around £50. Therefore, it was still receiving £64 per megawatt
hour more than if it had been generating electricity, the foundation said.

Fred Olsen declined to provide a breakdown of the costs involved in
shutting down the wind farm.

Dr Lee Moroney, research director of REF, said: “It is now becoming crystal
clear that the full cost of constraints is disturbingly high. A more robust
position from both government and the regulator, Ofgem, would go a long way
to reining in wind power’s very high constraint prices.”

Wind farm owners insisted that the number of times wind farms were paid to
shut down was “very small” compared with the number of times conventional
power stations were paid to reduce their output.

Zoltan Zavody, from RenewableUK, the industry body, said that last year the
total cost of wind constraint payments was around 65p on the average annual
domestic electricity bill.

Ofgem said that since it was given powers in 2012 to prevent firms getting
an “excessive benefit” from the payments, the prices paid have fallen from
an average of £197 per MWh to £83 per MWh.

A spokesman for National Grid said: “For the moment, constraint payments
are the most economically efficient way to balance the system while we
await improvements to the electricity network such as the Western Link ­ a
£1 billion sub-sea link that will bring renewable energy from Scotland to
the rest of the UK.”


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