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

Sizewell C

Sizewell C Limited at Sizewell 400kV Substation

Connection date
31 Jul 2035
Gate
Not stated
Status
Consents Approved
Planning consent
Granted 20 Jul 2022
The Sizewell C Project (EN010012) · Source: Planning Inspectorate
Technology
Nuclear
Total capacity
3,340 MW
Connected now
0 MW
Still to connect
3,340 MW
Transmission owner
National Grid Electricity Transmission (NGET)
Agreement type
Direct Connection
Region
England and Wales
Project number
PRO-000145
In the register since
January 2021 or earlier

Stages

StageConnected MWAdds MWCumulative MWDateGateStatus
101,6701,67031 Jul 2035Not statedConsents Approved
201,6703,34031 Jul 2036Not statedConsents Approved

Change history

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

  • 29 Apr 2025 register
    Stage 1: Status changed from Awaiting Consents to Consents Approved
  • 29 Apr 2025 register
    Stage 2: Status changed from Awaiting Consents to Consents Approved
  • 28 Jun 2024 register
    Stage 1: Connection date moved from 31 Oct 2029 to 31 Jul 2035 (+69 months)
  • 28 Jun 2024 register
    Stage 2: Connection date moved from 31 Oct 2030 to 31 Jul 2036 (+69 months)
  • 29 Dec 2023 register
    Customer changed from NNB GENERATION COMPANY (SZC) LTD to Sizewell C Limited
  • 30 Jun 2023 register
    Customer changed from EDF ENERGY NUCLEAR GENERATION LIMITED to NNB GENERATION COMPANY (SZC) LTD
  • 29 Jul 2022 register
    Substation name updated in the register (from Sizewell 400kV to Sizewell 400kV Substation)

Also at Sizewell 400kV Substation

Substation view

1 other project, 3.3 GW still to connect at this substation in total.

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

Planning consent

The planning decision for this project, from the Planning Inspectorate. NESO’s status can lag behind planning decisions, so the two may differ.

How QueueWatch matches projects · Spotted a wrong match? Email info@queuequant.com.