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Middleton BESS

Developer as published, connection site, reference: Middleton Energy Storage Limited. Middleton 400KV Substation (NGET). PRO-002305.

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Capacity200 MWBattery storage, Gate 2
Connection date31 May 2029Status as printed: Under Construction/Commissioning
First date seen 30 Nov 2026, difference +913 dayscalculated by N84
MW ahead in N84's order at this site0 MWcalculated by N84

Connection date, edition by edition

20262027202820292030File dated 2026-09-11: connection date 2026-11-30Nov 2026File dated 2026-10-20: connection date 2029-05-31May 202911 Sep202620 Oct2026
20262027202820292030File dated 2026-09-11: connection date 2026-11-30Nov 2026File dated 2026-10-20: connection date 2029-05-31May 202911 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 1422Receipt: NESO TEC Register, file dated 11 Sep 2026, row 1402
  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 1422Receipt: NESO TEC Register, file dated 11 Sep 2026, row 1402
  3. 20 Oct 2026. MW Effective From printed as 31 May 2029 (previous file: 30 Nov 2026), 913 days later. N84 holds no copy between 11 Sep 2026 and 20 Oct 2026; this change happened at some point in that time. +913 dayscalculated by N84 Wide comparison Correction after an older file was importedReceipt: NESO TEC Register, file dated 20 Oct 2026, row 1422Receipt: NESO TEC Register, file dated 11 Sep 2026, row 1402

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.