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SBR/DSBR needed to bring winter LOLE into line

The loss of load expectation (LOLE) in the coming winter would have been 8.9 hours/year – a margin of 1.2% – if National Grid had not procured backup supplies.

The loss of load expectation (LOLE) in the coming winter would have been 8.9 hours/year – a margin of 1.2% – if National Grid had not procured backup supplies.
The company said procuring Strategic Balancing Reserve (SBR) and Demand Side Balancing Reserve (DSBR) for 2015/16 early has brought LOLE below the government-set level of 3 hours in most scenarios, and down to 1.1 hours in the base case, giving a margin at peak hours of 5.1%.

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