N84 Grid

AGS Calderside Battery Energy Storage System

Developer as published, connection site, reference: Advance Grid Solutions Limited. AGS CALDERSIDE 275KV SUBSTATION (SPT). PRO-002752.

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Capacity500 MWBattery storage, Gate 1
Connection date31 Oct 2033Status as printed: Scoping
First date seen 31 Oct 2028, difference +1826 dayscalculated by N84
MW ahead in N84's order at this site0 MWcalculated by N84

Connection date, edition by edition

20332034File dated 2024-05-31: connection date 2033-10-31Oct 2033File dated 2024-09-27: connection date 2033-10-3131 May202427 Sep2024
20332034File dated 2024-05-31: connection date 2033-10-31Oct 2033File dated 2024-09-27: connection date 2033-10-3131 May202427 Sep2024

The connection date is printed the same in every file N84 holds for this project, from 31 May 2024 to 27 Sep 2024. 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 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 → 1Receipt: NESO TEC Register, file dated 20 Oct 2026, row 26Receipt: NESO TEC Register, file dated 11 Sep 2026, row 26

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.