The map, week by week

What changed on the map.

Every week we re-check the projects on the map against their sources. This page lists what changed: a new stage reached, a milestone reset, a value revised, a project added. The new position, what it was before, and the source we checked it against, for the last four weeks.

Week of 9 November 2026: 4 projects changed: 2 reached a new stage, 4 milestones updated, 1 value revised.

Week of 9 November 2026

1 project changed: 1 milestone updated.

Week of 2 November 2026

2 projects changed: 2 reached a new stage, 2 milestones updated, 2 values revised, 2 statuses changed.

Storage · Loch Lochy, Great Glen, Highland

Coire Glas (SSE)

  • Status: Pipelinewas: At tender
  • Stage: In development; included on Ofgem's cap and floor minded-to list (June 2026); pre-FIDwas: Cap-and-floor minded-to — pre-FID
  • Value: Not disclosedwas: Over £1.5bn capital investment to construct (SSE)
  • Next milestone: Ofgem final cap and floor decision, then SSE final investment decision (no dates published)was: Ofgem Window 1 final decision expected autumn 2026, then SSE FID. No FID date has been published.

Source: SSE Renewables / Ofgem LDES Window 1 (26 Jun 2026) →On the map →

Storage · Silvermines, Co. Tipperary, Ireland

Silvermines Hydro (SIGA)

  • Status: Pipelinewas: At tender
  • Stage: In permit granting procedure (ABP permit granting process notification 27 Feb 2025); draft Concept for Public Participation 2nd edition Sep 2026was: Pre-application — An Coimisiún Pleanála case due to be decided by 24 Sep 2026
  • Value: Not disclosedwas: Not verified — see conflict note
  • Next milestone: Statutory permit application to An Coimisiún Pleanálawas: An Coimisiún Pleanála pre-application decision, reported as due by 24 Sep 2026

Source: Silvermines Hydro - Permit granting documents →On the map →

How this works: each week's published map is compared with the one before, record by record, using a permanent ID for every project. A project re-checked with nothing new to report is not listed. Every change links to the source we checked. How we verify →

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