Grid operator · Company

Scottish Hydro Electric Transmission plc

Scottish Hydro Electric Transmission plc is the grid operator for 33 grid connections in the United Kingdom, with 42,782 MW of capacity connected. It is a subsidiary of Scottish and Southern Energy.

On its grid

The 33 assets connected to the grid of Scottish Hydro Electric Transmission plc. It is their grid operator, not their owner.

Grid connections 33 · 42,782 MW connected

Grid connectionLocationRoleCapacity
Marram Wind Offshore Wind Farm grid connectionScotland, United KingdomGrid operator3,000 MW
OWPL Windfarm grid connectionScotland, United KingdomGrid operator2,250 MW
Caledonia Offshore Wind Farm grid connectionScotland, United KingdomGrid operator2,000 MW
Arven Offshore Wind Farm grid connectionScotland, United KingdomGrid operator1,800 MW
Bellrock Offshore Wind Farm grid connectionScotland, United KingdomGrid operator1,800 MW
Earba PSH grid connectionScotland, United KingdomGrid operator1,800 MW
Glen Earrach PSH grid connectionScotland, United KingdomGrid operator1,800 MW
North-East Offshore Hybrid Asset grid connectionScotland, United KingdomGrid operator1,800 MW
Havbredey grid connectionScotland, United KingdomGrid operator1,500 MW
Stromar Offshore Windfarm grid connectionScotland, United KingdomGrid operator1,500 MW
Fearna PSH 2 grid connectionScotland, United KingdomGrid operator1,495 MW
Tealing Energy Park grid connectionScotland, United KingdomGrid operator1,400 MW
CENOS grid connectionScotland, United KingdomGrid operator1,350 MW
Ossian 1 Offshore Wind Farm grid connectionScotland, United KingdomGrid operator1,320 MW
Coire Glas Pumped Storage grid connectionScotland, United KingdomGrid operator1,296 MW
Peterhead grid connectionScotland, United KingdomGrid operator1,180 MW
Seagreen 1 Offshore Wind Farm grid connectionScotland, United KingdomGrid operator1,075 MW
Ayre (ex Cluaran Ear - Thuath) Offshore Wind Farm grid connectionScotland, United KingdomGrid operator1,008 MW
Bowdun (ex Cluaran Deas Ear) Offshore Wind Farm grid connectionScotland, United KingdomGrid operator1,008 MW
Halfway Energy Park grid connectionScotland, United KingdomGrid operator1,000 MW
Muir Mhor Offshore Wind Farm grid connectionScotland, United KingdomGrid operator1,000 MW
Spittal BESS Station grid connectionScotland, United KingdomGrid operator1,000 MW
Buchan 01 Offshore Wind Farm grid connectionScotland, United KingdomGrid operator960 MW
Peterhead Carbon Capture grid connectionScotland, United KingdomGrid operator910 MW
Alyth grid connectionScotland, United KingdomGrid operator900 MW
Balliemeanoch PSH grid connectionScotland, United KingdomGrid operator900 MW
Broadshore Offshore Wind Farm grid connectionScotland, United KingdomGrid operator900 MW
Fort Augustus Storage grid connectionScotland, United KingdomGrid operator900 MW
Moray East Offshore Wind Farm grid connectionScotland, United KingdomGrid operator900 MW
Spiorad Na Mara Offshore Wind Farm grid connectionScotland, United KingdomGrid operator900 MW
Moray West Offshore Windfarm grid connectionScotland, United KingdomGrid operator860 MW
Loch Kemp PSH grid connectionScotland, United KingdomGrid operator660 MW
Dorenell Windfarm Extension grid connectionScotland, United KingdomGrid operator610 MW

By country

Where the assets and rights are.

Group

Parent companies

From Scottish Hydro Electric Transmission plc up to its ultimate parent in the data.

  1. Scottish Hydro Electric Transmission plc
  2. Scottish and Southern Energy

Also a subsidiary of Scottish and Southern Energy Power Distribution Limited.

Partners and counterparties

Owners, operators and grid operators on the same assets.

Facts

FactValueSource
LocationScotlandCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026
LocationUnited KingdomGLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026
LEI549300ECJZDA7203MK64Rare Context entity resolution · record · CC0 1.0 · checked 24 Oct 2026
LEI549300ECJZDA7203MK64GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026
Company numberSC213461Companies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Company numberSC213461GLEIF LEI · record · CC0 1.0 · checked 24 Oct 2026
Register statusActiveCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Company typePublic Limited CompanyCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Incorporated4 Dec 2000Companies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Industry (SIC)35120 - Transmission of electricityCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026

Also recorded as

Sources name Scottish Hydro Electric Transmission plc under 3 records; this page joins them. Links to any of them lead here.

Name in the sourceIdentifierSource
SCOTTISH HYDRO ELECTRIC TRANSMISSION PLCparty:company-number:gb-sc213461Companies House bulk company data
SCOTTISH HYDRO ELECTRIC TRANSMISSION PLCparty:lei:549300ECJZDA7203MK64GLEIF LEI
Scottish Hydro Electric Transmission plcparty:name:scottish-hydro-electric-transmission-plcNESO TEC Register

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