QueueWatchby QueueQuant Price my project Get the plan that holds up best for your site, and where that answer flips.
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.

More analyses are on the way.

Transmission / Projects / England and Wales

Didcot B

RWE Generation UK Plc at Didcot 400kV Substation

Connection date
Increase at an existing station: +230 MW from 31 Oct 2037
Gate
Gate 1
Status
Built
Technology
Gas (CCGT) + Storage
Total capacity
1,705 MW
Connected now
1,475 MW
Still to connect
230 MW
Transmission owner
National Grid Electricity Transmission (NGET)
Agreement type
Direct Connection
Region
England and Wales
Project number
PRO-000122
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.

  • 14 Jul 2026 register
    Marked as Gate 1
  • 29 Jul 2025 register
    Technology changed from Gas (CCGT) to Gas (CCGT), Storage
  • 30 Jun 2023 register
    Capacity changed from 0 MW to 230 MW
  • 30 Jun 2023 register
    Connection date set to 31 Oct 2037
  • 23 Dec 2022 register
    Substation name updated in the register (from Didcot 400kV to Didcot 400kV Substation)
  • 25 Feb 2022 register
    25 MW now connected
  • 25 Feb 2022 register
    Capacity changed from 1,450 MW to 1,475 MW

Also at Didcot 400kV Substation

Substation view

3 other projects, 830 MW still to connect at this substation in total. 600 MW is due to connect here before this project’s connection date of 31 Oct 2037.

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