Existing fossil and nuclear plant still dominate capacity market

Existing fossil fuel and nuclear plants have taken the lion’s share of capacity auctioned in December, although DSR and electricity storage have made some progress

Existing generation, notably gas, coal and nuclear squeezed out most new plant in the third capacity market auction in December 2016. Photograph: RWE GenerationFossil fuel plants have continued to dominate the capacity market, despite some progress in securing demand-side response (DSR) and electricity storage.

The third national auction secured 52.42 gigawatts of back-up capacity for 2020/21 at a clearing price of £22.50 per kilowatt, according to figures published by National Grid on 9 December.

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