# The Five Estuaries Offshore Wind Farm Order 2025, Paragraph 11


(1) Offshore substation platform foundation structures forming part of the authorised scheme must be one of either monopile foundations or jacket foundations.
(2) No offshore substation platform with a piled foundation may—
(a) employ more than 6 piles per foundation;
(b) in the case of monopile foundations, exceed a monopile diameter of 15 metres; or
(c) in the case of a two or more pile foundation, exceed a pile diameter of 4 metres per pile.

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Source: https://www.legislation.gov.uk/uksi/2025/1376/schedule/11/paragraph/11 (the official version)
Page: https://openlegislation.uk/five-estuaries-offshore-wind-farm-order-2025/schedule-11/paragraph-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.