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Sundon (SUNDON BATTERY STORAGE LIMITED)

Developer as published, connection site, reference: SUNDON BATTERY STORAGE LIMITED. Sundon 400kV Substation (NGET). PRO-001132.

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Capacity50 MWBattery storage, Gate 2
Connection date30 Apr 2027Status as printed: Under Construction/Commissioning
First date seen 1 May 2024, difference +1094 dayscalculated by N84
MW ahead in N84's order at this site0 MWcalculated by N84

Connection date, edition by edition

2025202620272028File dated 2026-09-11: connection date 2025-09-05Sep 2025File dated 2026-10-20: connection date 2027-04-30Apr 202711 Sep202620 Oct2026
2025202620272028File dated 2026-09-11: connection date 2025-09-05Sep 2025File dated 2026-10-20: connection date 2027-04-30Apr 202711 Sep202620 Oct2026

Each step is a file that printed the connection date differently from the file before it. Year marks on the side are 1 January.

Observed changes

Showing changes in files dated from 23 Sep 2026.

  1. 20 Oct 2026. Project Status printed as Under Construction/Commissioning (previous file: Scoping). 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 importedScoping → Under Construction/CommissioningReceipt: NESO TEC Register, file dated 20 Oct 2026, row 1954Receipt: NESO TEC Register, file dated 11 Sep 2026, row 1928
  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 1954Receipt: NESO TEC Register, file dated 11 Sep 2026, row 1928
  3. 20 Oct 2026. MW Effective From printed as 30 Apr 2027 (previous file: 5 Sep 2025), 602 days later. N84 holds no copy between 11 Sep 2026 and 20 Oct 2026; this change happened at some point in that time. +602 dayscalculated by N84 Wide comparison Correction after an older file was importedReceipt: NESO TEC Register, file dated 20 Oct 2026, row 1954Receipt: NESO TEC Register, file dated 11 Sep 2026, row 1928

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.