πŸ”Œ EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more β†’ Skip to main content

Grid infrastructure β€Ί Connection queue β€Ί Offshore wind

OFFSHORE WIND Β· NGET

Ossian 4 Offshore Wind Farm

Ossian 4 Offshore Wind Farm is a 1.0 GW offshore wind project in planning, connecting to the National Grid (England & Wales) network at Cousland 400kV, with capacity due from October 2033. The connection agreement is held by Ossian Offshore Wind Farm Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2033 (not yet reached)
  5. Closed (not yet reached)

Scoping and awaiting consents are both shown as planning. A connection agreement does not mean the project will be built: many queue projects never reach construction.

Connection details

NESO project number
PRO-002145
Customer
Ossian Offshore Wind Farm Limited
Technology
Wind Offshore
Total capacity
1.0 GW
Change in this agreement
+1.0 GW
Capacity effective from
31 October 2033
Connection site
Cousland 400kV
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission network
NESO project status
Scoping

Connection site

The marker shows the place the connection site is named after, not the project itself, with the transmission network around it.

Projects connecting near Cousland Β· Grid map

Source: NESO Transmission Entry Capacity (TEC) register, downloaded 8 November 2026. Contains data from NESO, licensed under the NESO Open Data Licence. Report a problem