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Delays and exits in the transmission queue since 2021How often connection dates move, and how many projects leave the queue. Gate 2 in the transmission queueHow much of the queue has a Gate 2 offer, and what it did to connection dates. The battery queue and CMP470’s commitment feeHow far the battery queue sits above the line that would switch CMP470’s commitment fee off. Changes of customer in the transmission queueHow often connection agreements move between companies, and how those projects fared. Do projects connect on time?How late stages have connected against their connection date in the register. Which connection dates slip least?Which connection dates are pushed back least, allowing for how far ahead they are. Grid outages and the connections due by 2030How many of their planned outages the transmission owners carry out, against the connections due by 2030.

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Transmission / Projects / North Scotland

Fort Augustus Storage

GLENDOE STORAGE LIMITED at Loch Nan Eun 275/18kV

Connection date
31 Oct 2029
Gate
Gate 1
Status
Scoping
Technology
Storage
Total capacity
900 MW
Connected now
0 MW
Still to connect
900 MW
Transmission owner
SSEN Transmission (SHET)
Agreement type
Direct Connection
Region
North Scotland
Project number
PRO-002063
In the register since
July 2022

What would CMP470’s commitment fee do to a battery like this? See the use case: Will CMP470’s commitment fee clear the battery queue?

Change history

Every change to this project across 151 registers from 29 Jan 2021 to 5 Nov 2026.

  • 16 Oct 2026 register
    Connection date moved from 1 May 2031 to 31 Oct 2029 (−18 months)
  • 10 Oct 2026 register
    Connection date moved from 31 Oct 2029 to 1 May 2031 (+18 months)
  • 19 Dec 2025 register
    Marked as Gate 1
  • 27 Jun 2025 register
    Technology changed from Pumped storage to Storage
  • 30 May 2025 register
    Renamed from Loch nan Eun PSH
  • 31 May 2024 register
    Customer changed from LOCH NAN EUN STORAGE LIMITED to GLENDOE STORAGE LIMITED
  • 28 Apr 2023 register
    Capacity changed from 600 MW to 900 MW
  • 31 Jan 2023 register
    Renamed from Loch nan Eun PSH (previously Loch Tarff PSH )
  • 23 Dec 2022 register
    Renamed from Loch nan Eun PSH
  • 28 Oct 2022 register
    Renamed from Loch nan Eun PSH (previously Loch Tarff PSH )
  • 30 Aug 2022 register
    Capacity changed from 300 MW to 600 MW
  • 29 Jul 2022 register
    Added to the register

Also at Loch Nan Eun 275/18kV

Substation view

No other projects in the register at this connection point.

Status definitions (NESO)

Scoping: NESO is not aware that a planning application has been made.

Awaiting Consents: NESO is aware, or the customer has told it, that a planning application has been made.

Consents Approved: NESO is aware, or the customer has told it, that the planning application has been approved.

Terminated: used by NESO only in its register of 30 April 2021, for two projects that left the register the next month.

These statuses are NESO’s, not QueueWatch’s, and NESO describes them as “as far as we are aware”, so a project may be further along than its status shows.

Source: NESO