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WIND Β· OPERATIONAL

Hornsea 01

Hornsea 01 is a 1,218 MW offshore wind farm in Yorkshire and the Humber, England, operated by Orsted. The UK government lists it as operational in its register of power stations (DUKES table 5.11, May 2025).

  • Offshore
  • Yorkshire and the Humber
  • England

Key facts

Installed capacity
1,218 MW
Status
Operational
Technology
Wind Β· Offshore
Operator
Orsted
Region
Yorkshire and the Humber
Country
England
Grid connection (DUKES)
HV
Combined heat & power
No
Coordinates
53.6815, 1.4207

Location

Map position from the published coordinates. For small sites this can be an approximate point rather than the exact boundary. Map Β© OpenStreetMap contributors.

How Hornsea 01 compares

2nd of 488largest wind farms in the UK register
2nd of 31in Yorkshire and the Humber
4.1%of listed UK wind farms capacity
β‰ˆ 4,054 GWhillustrative output a year

At a typical UK load factor for this technology (about 38% of the maximum possible output), a 1,218 MW station would generate roughly 4,054 GWh of electricity in a year, similar to the annual use of about 1,501,660 homes at 2,700 kWh each. This is an illustrative estimate, not the station's metered output: real generation varies with weather, availability and grid constraints.

Wind farms turn the kinetic energy of the wind into electricity with turbines. Output varies with wind speed. Offshore sites usually see stronger, steadier winds than onshore sites and so generate more per MW of capacity.

All UK wind farms Wind farms in Yorkshire and the Humber All run by Orsted

Planning history

From the government's Renewable Energy Planning Database (REPD), matched to this site by location, capacity and name.

Planning status
Operational
Site name in planning record
Hornsea 1 - Heron & Njord
Developer / operator
Orsted (formerly Dong Energy)
Planning authority
The Planning Inspectorate - National Infrastructure
Planning reference
EN010033
Application submitted
30 July 2013
Permission granted
10 December 2014
Construction started
26 January 2018
Began operating
1 December 2019
Capacity in planning record
1,218 MW
Address
Offshore
REPD reference
2525

Full project profile β†’

Source

Department for Energy Security and Net Zero (DESNZ), Digest of UK Energy Statistics (DUKES), table 5.11: power stations in the United Kingdom β€” operational at end of May 2025. Capacity is installed capacity as published, not current output. Status reflects the source date, not live operation.
View the original source
Last checked by Octary: 15 July 2026

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