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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

Keithick Estate

SIRIUS ECODEV (STIRLING) LTD at Coupar Angus 132/33kV GSP

Connection date
31 Dec 2026 +6 months since 9 Dec
Gate
Gate 2
Status
Under Construction/Commissioning
Technology
Storage + Solar
Total capacity
50 MW
Connected now
0 MW
Still to connect
50 MW
Transmission owner
SSEN Transmission (SHET)
Agreement type
Embedded
Region
North Scotland
Project number
PRO-001732
In the register since
October 2021

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.

  • 18 Sep 2026 register
    Status changed from Consents Approved to Under Construction/Commissioning
  • 28 Aug 2026 register
    Connection date moved from 30 Jun 2026 to 31 Dec 2026 (+6 months)
  • 28 Aug 2026 register
    Given a Gate 2 connection offer
  • 2 Jan 2026 register
    Substation name updated in the register (from Coupar Angus GSP to Coupar Angus 132/33kV GSP)
  • 30 May 2025 register
    Connection date moved from 30 Jun 2024 to 30 Jun 2026 (+24 months)
  • 30 Jun 2023 register
    Status changed from Awaiting Consents to Consents Approved
  • 28 Apr 2023 register
    Customer changed from Sirius Ecodev (Keithick) Limited to SIRIUS ECODEV (STIRLING) LTD
  • 30 Jun 2022 register
    Connection date moved from 30 Apr 2026 to 30 Jun 2024 (−22 months)
  • 30 Nov 2021 register
    Substation name updated in the register (from Coupar Angus to Coupar Angus GSP)
  • 29 Oct 2021 register
    Added to the register

Also at Coupar Angus 132/33kV GSP

Substation view

4 other projects, 156 MW still to connect at this substation in total. 40 MW is due to connect here before this project’s connection date of 31 Dec 2026.

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