13 Total Standing Reserve Capacity (MW) OCGT Capacity (MW) CCS Capacity (MW) Low Flexibility System ( £m/pa ) Medium Flexibility System ( £m/pa ) Reduction in fuel cost 10% (950MW) of the total CC plant capacity is available for provision of standing reserve Assumption: cost of OCGT is 50£/MWh (in contrast to marginal cost of synchronised plant of 20£/MWh)
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