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National Grid addresses supply concerns

According to the National Grid’s 2014/15 Winter Outlook, electricity margins are tighter but manageable.

It follows consultation with the energy industry, analysts, academics and energy policy experts.
This year electricity margins have decreased compared with recent years, with the average cold spell margin expected to be 4.1%.

The National Grid said this was due to planned generator closures, breakdowns and new plant not coming on line as quickly to replace them.

In response, it is finalising contracts with three power stations - Littlebrook, Rye House CCGT and Peterhead CCGT - to provide additional reserve under the supplemental balancing reserve.

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