# The Mona Offshore Wind Farm Order 2025, Paragraph 29: Wake effects

Extent: E+W

(1) No part of any wind turbine generator may be erected as part of the authorised development until either—
(a) A wake effects plan has been submitted to and approved by the Secretary of State; or
(b) The undertaker has provided evidence to the Secretary of State that alternative mitigation for wake effects has been agreed with the existing Ørsted offshore wind farms.
(2) The wake effects plan provided in accordance with paragraph (1)(a) must include details of reasonable steps that have been taken by the undertaker to minimise wake effects on the existing Ørsted offshore wind farms whilst maximising the capacity of the authorised development within the identified technical, environmental and other constraints of the authorised development.
(3) Where paragraph (1)(a) applies the design plan submitted to the licencing authority under condition 17(1)(a) of schedule 14 of this Order must be in accordance with any approved wake effects plan.
(4) For the purposes of this requirement—
“existing Ørsted offshore wind farms” means Barrow offshore wind farm, Burbo Bank extension, Walney Extension, West of Duddon Sands, Walney offshore wind farm or Burbo bank.

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Source: https://www.legislation.gov.uk/uksi/2025/870/schedule/2/paragraph/29 (the official version)
Page: https://openlegislation.uk/mona-offshore-wind-farm-order-2025/schedule-2/paragraph-29
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.