CMP451: Suspending TNUoS payments when TOs and/or NESO has delayed connection date

The current TNUoS rules require a full year of TNUoS payments even if the connection is made part way through a year. Where a delay to connection date arises due to failure by the TOs and/or NESO to deliver capacity on time, it is not reasonable for a generator to be charged a full year TNUoS where capacity and energisation has been delayed.

Modification status:
Current - Proposal Raised
Last updated:
20 February 2025

Code Administrator Contact: ​​[email protected]

Governance Route: Urgent modification proceeding under a timetable approved by the Authority (with Authority decision)

Impacts: Medium Impact on ​​Generators, Transmission System Operators and Transmission Owners. 

Code modification proposed by:
Neil Young

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