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N84 Grid

Deeside Power Station

Developer as published, connection site, reference: DEESIDE POWER (UK) LIMITED. Connah's Quay 400kV Substation (NGET). PRO-001062.

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Capacity190 MWBattery storage, Gate 2
Connection date25 Oct 2026Status as printed: Built
First date seen 31 Oct 2033, difference -2563 dayscalculated by N84
MW ahead in N84's order at this siteNot calculatedN84 orders only projects at a NESO connection site with a printed date.

Connection date, edition by edition

20262027File dated 2024-05-31: connection date 2026-10-25Oct 2026File dated 2026-10-20: connection date 2026-10-2531 May202420 Oct2026
20262027File dated 2024-05-31: connection date 2026-10-25Oct 2026File dated 2026-10-20: connection date 2026-10-2531 May202420 Oct2026

The connection date is printed the same in every file N84 holds for this project, from 31 May 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. Printed as connected: 190 MW. Status as printed: Built (previous file: Consents Approved). N84 holds no copy between 11 Sep 2026 and 20 Oct 2026; this change happened at some point in that time. Wide comparison Correction after an older file was importedReceipt: NESO TEC Register, file dated 20 Oct 2026, row 565Receipt: NESO TEC Register, file dated 11 Sep 2026, row 556
  2. 20 Oct 2026. Gate printed as 2 (previous file: blank). N84 holds no copy between 11 Sep 2026 and 20 Oct 2026; this change happened at some point in that time. Wide comparison Correction after an older file was importedblank → 2Receipt: NESO TEC Register, file dated 20 Oct 2026, row 565Receipt: NESO TEC Register, file dated 11 Sep 2026, row 556

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.