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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.

More analyses are on the way.

Transmission / Projects / England and Wales

Fiddlers Ferry BESS

FIDDLERS FERRY LTD at Fiddlers Ferry 275kV Substation

Connection date
31 Oct 2027
Gate
Gate 2
Status
Consents Approved
Technology
Demand + Storage
Total capacity
900 MW
Connected now
0 MW
Still to connect
900 MW
Transmission owner
National Grid Electricity Transmission (NGET)
Agreement type
Direct Connection
Region
England and Wales
Project number
PRO-003897
In the register since
June 2023

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?

Stages

StageConnected MWAdds MWCumulative MWDateGateStatus
1030030031 Oct 2027Gate 2Consents Approved
2030060031 Oct 2028Gate 2Consents Approved
3030090031 Oct 2029Gate 2Consents Approved

Change history

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

  • 22 Oct 2026 register
    Stage 2: Given a Gate 2 connection offer
  • 22 Oct 2026 register
    Stage 3: Given a Gate 2 connection offer
  • 18 Sep 2026 register
    Stage 1: Status changed from Scoping to Consents Approved
  • 18 Sep 2026 register
    Stage 2: Status changed from Scoping to Consents Approved
  • 18 Sep 2026 register
    Stage 3: Status changed from Scoping to Consents Approved
  • 14 Aug 2026 register
    Stage 1: Technology changed from Demand, Storage to Storage
  • 14 Aug 2026 register
    Stage 1: Given a Gate 2 connection offer
  • 27 Jun 2025 register
    Restructured from 1 stage (900 MW from 30 Nov 2037) to 3 stages (300 MW from 31 Oct 2027, 300 MW from 31 Oct 2028, 300 MW from 31 Oct 2029). First connection date −121 months
  • 30 Jun 2023 register
    Added to the register

Also at Fiddlers Ferry 275kV Substation

Substation view

2 other projects, 1.3 GW still to connect at this substation in total. 400 MW is due to connect here before this project’s connection date of 31 Oct 2027.

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