# The Outer Dowsing Offshore Wind Farm Order 2026, Paragraph 5: Detailed offshore design parameters


(1) Subject to sub-paragraph (2), each wind turbine generator forming part of the authorised project must not—
(a) exceed a height of 403 metres when measured from LAT to the tip of the vertical blade;
(b) exceed a rotor diameter of 340 metres;
(c) be less than 40 metres from MSL to the lowest point of the rotating blade; and
(d) be less than 605 metres from blade tip to the blade tip of the nearest wind turbine generator.
(2) Wind turbine generator foundation structures forming part of the authorised project must be monopile, gravity base structure, pin pile jacket or suction bucket jacket foundations.
(3) In respect of a wind turbine generator—
(a) no monopile foundation may have a diameter greater than 13 metres;
(b) no gravity base structure foundation may have a diameter at the level of the seabed greater than 55 metres;
(c) no pin pile jacket foundation forming part of the authorised project may—
(i) have a pin pile diameter of greater than five metres; or
(ii) employ more than four pin piles per jacket foundation;
(d) no suction bucket jacket foundation forming part of the authorised project may—
(i) have a suction bucket diameter of greater than 20 metres; or
(ii) employ more than four suction buckets per jacket foundation;
(4) The total seabed footprint area for wind turbine generator foundations must not exceed—
(a) 122,904 square metres excluding scour protection; and
(b) 1,041,400 square metres including scour protection.

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Source: https://www.legislation.gov.uk/uksi/2026/138/schedule/1/paragraph/5 (the official version)
Page: https://openlegislation.uk/outer-dowsing-offshore-wind-farm-order-2026/schedule-1/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.