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N84 Grid

Western MPI

Developer as published, connection site, reference: National Grid Interconnector Holdings Limited. Connah's Quay 400kV Substation (NGET). PRO-003463.

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Capacity1,500 MWInterconnector, Gate 1
Connection date31 Oct 2037Status as printed: Scoping
MW ahead in N84's order at this site1,210 MWcalculated by N84

Connection date, edition by edition

20372038File dated 2024-11-05: connection date 2037-10-31Oct 2037File dated 2026-10-20: connection date 2037-10-315 Nov202420 Oct2026
20372038File dated 2024-11-05: connection date 2037-10-31Oct 2037File dated 2026-10-20: connection date 2037-10-315 Nov202420 Oct2026

The connection date is printed the same in every file N84 holds for this project, from 5 Nov 2024 to 20 Oct 2026. Year marks on the side are 1 January.

Observed changes

Showing changes in files dated from 23 Sep 2026.

  1. 20 Oct 2026. Gate printed as 1 (previous file: blank). N84 holds no copy between 22 Jul 2025 and 20 Oct 2026; this change happened at some point in that time. Wide comparison Correction after an older file was importedblank → 1Receipt: NESO Interconnector Register, file dated 20 Oct 2026, row 36Receipt: NESO Interconnector Register, file dated 22 Jul 2025, row 34

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.