Question to the Department for Business, Energy and Industrial Strategy:

To ask the Secretary of State for Energy and Climate Change, what assessment her Department has made of the effect on the (a) costs and (b) margins of combined cycle gas turbine plants of (i) Supplementary Balancing Reserve and (ii) other Black Start ancillary support subsidy contracts to coal plants.

The Supplementary Balancing Reserve and Black Start contracts are two important services developed to support National Grid in managing security of supply. Responsibility for these services rests with OFGEM.