Issue 004 GB Grid Connection Queue Wednesday Edition

What moved in the GB grid connection queue this week

From this issue, the Grid Queue Pulse publishes every Wednesday. 5 signals across monitored records. Every finding is verified before publication. Evidence packs are provided to subscribers.

5Signals detected
273 GWGate 1 + Gate 2 register capacityGeneration and storage projects classified Gate 1 or Gate 2 in the transmission register; excludes transmission-connected demand and blank-gate entries. Gate 1 does not reserve capacity or a queue place.
GBTransmission + distribution
Operational Signal 7 July 2026
St Fergus · 100 MW
St Fergus
Cairnel detected an operational registration matching this Gate 1 project (BMU: St. Fergus Mobil, T_STFERGD-1). The project classified Gate 1 in the connection register; this does not reserve capacity or a queue place and already appears in the balancing mechanism register. This is a verification signal and may indicate an existing connection or a related party; it is not proof of commercial operation.
Verified · evidence pack on file Request evidence →
Network Capacity 1 August 2026
North Hinksey Primary (substation)
SSEN Distribution, Southern England
Demand connection capacity at this substation is published as Red-constrained, with no published available headroom. Generation connection capacity is published as Red-constrained. Any project expecting to connect here faces a constraint on at least one side as of the current publication.
Verified · evidence pack on file Request evidence →
Network Capacity 1 August 2026
Basingstoke (T3 & T4) BSP (substation)
SSEN Distribution, Southern England
Generation connection capacity at this substation is published as Red-constrained. Any project expecting to connect on the generation side here faces a constraint as of the current publication.
Verified · evidence pack on file Request evidence →
Network Capacity 1 August 2026
Rackwick Primary (substation)
SSEN Distribution, North of Scotland
Generation connection capacity at this substation is published as Red-constrained. Any project expecting to connect on the generation side here faces a constraint as of the current publication.
Verified · evidence pack on file Request evidence →
Network Capacity 1 August 2026
Upton BSP (substation)
SSEN Distribution, Southern England
Demand connection capacity at this substation is published as Red-constrained, with no published available headroom. Generation connection capacity is published as Amber-constrained. Any project expecting to connect here faces a constraint on at least one side as of the current publication.
Verified · evidence pack on file Request evidence →

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Coverage reflects records Cairnel had matched as at 1 August 2026.

Public-data acknowledgements

Cairnel uses multiple sources to build the picture. Some of the public ones that need referencing are Elexon and SSEN Distribution.

Cairnel launched in July 2026. This is Issue 004. The Pulse is produced weekly — every item is verified before it appears here. We are early and we know it. If something looks wrong, or you want to suggest a project we should be watching, write to us: hello@cairnel.co.uk