balancing use of system charges

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    Index of Domestic Energy Supply Costs | December 2017

    The Cornwall Index of Domestic Energy Supply Costs is updated monthly, tracking the costs that electricity and gas suppliers face. It is baselined to a value of 1,000 points in January 2012 and is calculated using Ofgem’s typical domestic consumption values (TDCVs) for medium users. In December 2017 the electricity...