# The Outer Dowsing Offshore Wind Farm Order 2026, Paragraph 10: Design parameters


(1) The total number of offshore accommodation platforms forming part of the authorised scheme and the authorised scheme in licence 1 (generation) taken together must not exceed one (whether constructed under this licence or licence 1 (generation)).
(2) The total number of offshore electrical installations must not exceed six, consisting of a combination of no more than—
(a) four small offshore transformer substations or two large offshore transformer substations; and
(b) two offshore reactive compensation platforms.
(3) The dimensions of any small offshore transformer substation comprised within Work No. 3(a) (including auxiliary structures, such as a helipad, crane, lightning protection, but excluding masts, radar and antennae) forming part of the authorised scheme must not exceed—
(a) 90 metres in height when measured from LAT;
(b) 90 metres in length; and
(c) 90 metres in width.
(4) The dimensions of any large offshore transformer substation comprised within Work No. 3(b) (including auxiliary structures, such as a helipad, crane, lightning protection, but excluding masts, radar and antennae) forming part of the authorised scheme must not exceed—
(a) 100 metres in height when measured from LAT;
(b) 160 metres in length; and
(c) 110 metres in width.
(5) The dimensions of any offshore reactive compensation platform (including auxiliary structures, such as a crane, but excluding masts, lightning protection, radar and antennae) forming part of the authorised scheme must not exceed—
(a) 59.2 metres in height when measured from LAT;
(b) 90 metres in length; and
(c) 90 metres in width;
and any masts, lightning protection, radar and antennae forming part of any offshore reactive compensation platform must not exceed 79.2 metres in height when measured from LAT.
(6) The dimensions of the offshore accommodation platform forming part of the authorised scheme must not exceed—
(a) 80.2 metres in height when measured from LAT;
(b) 84 metres in length; and
(c) 84 metres in width.
(7) No offshore transformer substation or offshore accommodation platform forming part of the authorised scheme is to be erected within the area hatched black and marked “offshore restricted build area” on the works plans, whose coordinates are specified below and shown on the offshore order limits and grid coordinates plan—
Point
Latitude
Longitude
150
53° 34′ 31.492″ N
001° 04′ 32.616″ E
151
53° 36′ 34.077″ N
001° 08′ 26.916″ E
152
53° 39′ 12.689″ N
001° 28′ 43.588″ E
845
53° 33′ 59.545″ N
001° 03′ 36.079″ E
846
53° 33′ 59.382″ N
001° 03′ 35.074″ E
847
53° 34′ 09.033″ N
001° 03′ 52.365″ E
848
53° 34′ 31.223″ N
001° 04′ 32.133″ E
849
53° 36′ 37.559″ N
001° 19′ 54.519″ E
850
53° 38′ 07.792″ N
001° 29′ 20.432″ E
851
53° 34′ 27.499″ N
001° 06′ 28.034″ E

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Source: https://www.legislation.gov.uk/uksi/2026/138/schedule/11/paragraph/10 (the official version)
Page: https://openlegislation.uk/outer-dowsing-offshore-wind-farm-order-2026/schedule-11/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.