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Consultation on a proposal to modify Special Condition 6I of National Grid Electricity Transmission’s RIIO1 electricity transmission licence to implement the Hinkley-Seabank decision

This letter is a consultation on our proposed licence modifications to National Grid Electriciy Transmission’s (NGET) electricity transmission licence following on from our decision of 22 May 2020 on the efficient costs of the Hinkley-Seabank project. In our May decision, we approved £514.7m of additional allowed expenditure (in 2009/10 prices) for the Hinkley-Seabank project, NGET’s technical solution for connecting EDF’s Hinkley Point C nuclear power station in Somerset to the GB transmsision network.

To implement the May decision, we propose to modify NGET’s electricity transmission licence by inserting an output and allowed expenditure for the Hinkley-Seabank project into Special Condition 6I of the licence. We also propose to change the way in which outputs are described in Table 3 of Special Condition 6I and to modify Part B of Special Condition 6I to make changes related to Cost and Output Adjusting Events set out in our May decision.

Stakeholders wishing to respond to our consultation should contact NTIMailbox@ofgem.gov.uk.