Rt Hon Lord Lilley

    Peter Lilley: To ask the Secretary of State for Energy and Climate Change, whether he has made an assessment of the availability of generators to back up fluctuations in wind and solar supply to ensure security of electricity supply.

    Matthew Hancock: It is National Grid’s responsibility to procure enough operating reserve as might be required for the real-time balancing of the system, which is a vital part of ensuring security of electricity supply. This includes fluctuations in wind and solar generation, as well as tripping of thermal and nuclear plant.

    The Annual Energy Statement made by my rt. hon. Friend the Secretary of State on 6 November 2014 (Official ReportColumn 982-985) sets out the range of actions the Government has taken to ensure security of electricity supply:

    http://www.publications.parliament.uk/pa/cm201415/cmhansrd/cm141106/debtext/141106-0001.htm#14110630000001.

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