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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 / England and Wales

Coryton

CORYTON ENERGY COMPANY, LTD. at Coryton South 400kV Substation

Connection date
Increase at an existing station: +50 MW from 30 Oct 2029
Gate
Not stated
Status
Built
Technology
Gas (CCGT)
Total capacity
850 MW
Connected now
800 MW
Still to connect
50 MW
Transmission owner
National Grid Electricity Transmission (NGET)
Agreement type
Direct Connection
Region
England and Wales
Project number
PRO-000103
In the register since
January 2021 or earlier

Change history

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

  • 29 Jul 2025 register
    Capacity changed from 0 MW to 50 MW
  • 29 Jul 2025 register
    Connection date set to 30 Oct 2029
  • 23 Dec 2022 register
    Substation name updated in the register (from Coryton South 400kV to Coryton South 400kV Substation)

Also at Coryton South 400kV Substation

Substation view

1 other project, 1.1 GW still to connect at this substation in total. 450 MW is due to connect here before this project’s connection date of 30 Oct 2029.

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