# The Five Estuaries Offshore Wind Farm Order 2025, Paragraph 2: Offshore design parameters

Extent: E+W

(1) The wind turbine generators to be constructed and operated within Work No. 1 of the authorised development must be located within the area delineated by the co-ordinates in the table in Schedule 16 (offshore co-ordinates) and shown as Work No. 1 on sheet 2 of the offshore works plan.
(2) The offshore works must be constructed in accordance with the parameters set out in Table 1 below.
Table 1
Parameter
Value
Maximum number of wind turbine generators
79
Maximum total rotor swept area (metres squared)
4,194,340
Maximum height of wind turbine generators when measured from LAT to the tip of the vertical blade (metres)
370
Maximum rotor diameter of each wind turbine generator (metres)
340
Minimum distance from MHWS to the lowest point of the rotating blade for each wind turbine generator (metres)
28
Minimum distance between wind turbine generators (in all directions measured from the centre point of each wind turbine generator) (metres)
830
Maximum pile diameter of single pile structures (metres)
15
Maximum pile diameter of three pile structures (metres)
4
Maximum pile diameter of four pile structures (metres)
3.5
Maximum total seabed footprint for wind turbine generators (excluding scour protection) (metres squared)
99,274
Maximum total seabed footprint for wind turbine generators (including scour protection) (metres squared)
834,896
Maximum total scour protection volume for wind turbine generator foundations (metres cubed)
1,248,850
Maximum total length of inter-array cables (kilometres)
200
Maximum inter-array cable protection area (metres squared)
321,600
Maximum inter-array cable protection volume (metres cubed)
187,600
Maximum number of offshore substations
2
Maximum dimensions of offshore substations:
Height when measured from LAT (excluding towers, helipads, mast and cranes) (metres)
Length (metres)
Topside width (metres)
105
125
100
Maximum total seabed footprint for offshore substation platforms (excluding scour protection) (metres squared)
3,700
Maximum total seabed footprint for offshore substation platform foundations (including scour protection) (metres squared)
72,985
Maximum total scour protection volume for offshore substation platforms foundations (metres cubed)
125,450
Maximum total length of export cables (kilometres)
196
Maximum export cable protection area (metres squared)
178,304
Maximum export cable protection volume (metres cubed)
129,691
(3) Any part of Work No. 2(c) and any associated development or ancillary works located within the Sunk and Trinity Deep Water Routes, as shown shaded yellow on the deep water route cable installation area (future dredging depths) plan, must be installed and maintained at a level which would not impede the dredging of those parts of the Sunk and Trinity Deep Water Routes as follows—
(a) shown shaded in yellow and outlined in a bold black line (and labelled Sunk Area A (22m CD)) to a level of 22 metres below Chart Datum;
(b) shown shaded in yellow and outlined in a blue dotted line (and labelled Trinity (22m CD)) to a level of 22 metres below Chart Datum; and
(c) shown shaded in yellow and cross hatched in orange (and labelled Sunk Area B (19m CD)) to a level of 19 metres below Chart Datum.

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Source: https://www.legislation.gov.uk/uksi/2025/1376/schedule/2/part/1/paragraph/2 (the official version)
Page: https://openlegislation.uk/five-estuaries-offshore-wind-farm-order-2025/schedule-2/part-1/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.