Longside 400kV Substation

Substation

Key facts

Substation

Interconnection queue: NESO
Voltage: 400 kV
Capacity queued: 5,500 MW, 5 active projects

Queue: NESO
Kind: Substation
Voltage: 400 kV
Bus number: —
Jurisdiction: GB
Substation: —
Active queued (MW): 5,500 across 5 projects
Withdrawn or cancelled (MW): 0 across 0
Built (MW): 0 across 0

About this point

A grid connection point as NESO Transmission Entry Capacity (TEC) Register names it. Projects connect here; they are not necessarily built here. Totals count only the projects listed under Projects.

By technology

Projects at this point by technology, largest active capacity first.
Technology	Active MW	Active projects	All projects
Offshore wind	4,900	3	3
Storage	600	2	2

Projects connecting here

Filed Marram Wind Offshore Wind Farm 3,000 MW
Studied Muir Mhor Offshore Wind Farm 1,000 MW
Filed Broadshore Offshore Wind Farm 900 MW
Filed Netherton BESS 400 MW
Filed Netherton Hub Bess 200 MW

All 5 in Projects

Sources

1 source

Sources NESO

Supported by National Energy SO Open Data

Sources

NESO Transmission Entry Capacity (TEC) RegisterOpen license, with credit · retrieved 7 Nov 2026Supported by National Energy SO Open Data

Every source and license · Attribution