N84 Grid

Hirfynydd and Mynydd Drumaur

Developer as published, connection site, reference: EDF ENERGY RENEWABLES LIMITED. Swansea North 400kV Substation (NGET). PRO-001899.

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Capacity249 MWHybrid, Gate 1
Connection date6 Dec 2036Status as printed: Scoping
First date seen 31 Oct 2028, difference +2958 dayscalculated by N84
MW ahead in N84's order at this site746.9 MWcalculated by N84

Connection date, edition by edition

20362037File dated 2024-05-31: connection date 2036-12-06Dec 2036File dated 2025-03-21: connection date 2036-12-0631 May202421 Mar2025
20362037File dated 2024-05-31: connection date 2036-12-06Dec 2036File dated 2025-03-21: connection date 2036-12-0631 May202421 Mar2025

The connection date is printed the same in every file N84 holds for this project, from 31 May 2024 to 21 Mar 2025. Year marks on the side are 1 January.

Observed changes

Showing changes in files dated from 23 Sep 2026.

No changes observed in the files N84 holds for this window.

Supported by National Energy SO Open Data

Data as published by the named source on the stated date. N84 may contain matching or processing errors. Not investment, legal or technical advice. The official register prevails.