Formal title: Removal of Residual Negative EACs

Current Status

CPC Consultation
Committee Decision


CP1362 was raised by ENW Ltd and seeks to remove all residual negative Estimated Annual Consumption (EACs) from Non Half Hourly Data Aggregators databases via a centralised script. CP1311 addressed this matter in part by preventing the creation of any new negative EACs. The issue is that there are still a significant number of negative EACs being used in Settlements which were created before CP1311 was implemented. Removal of all residual negative EACs will increase the accuracy of the EACs used in Settlement and reduce uncertainty around Licensed Distribution System Operators regulated allowable revenue and Suppliers’ Distribution Use of System charges.


CP1362 was raised and issued for industry impact assessment as part of CPC00706 on 25 November 2011. Responses were due back on 22 December 2011.

The SVG approved CP1362 in January 2012 for implementation in the June 2012 Release.

Following that decision, participants raised a number of queries about certain aspects of the solution. On further investigation it became clear that the CP1362 solution is not viable.

In light of this new information, the SVG rejected CP1362 at its meeting on 1 May 2012.  CP1362 will therefore not be implemented. Full details can be found in SVG paper 135/02.


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