# The One Earth Solar Farm Order 2026, Paragraph 22: Flood risk mitigation


(1) No part of the authorised development shall commence until, for that part, the flood risk mitigation detailed design has been submitted to and approved by the relevant planning authority, in consultation with the Environment Agency.
(2) The flood risk mitigation detailed design pursuant to sub-paragraph (1) to include—
(a) the layout of the proposed development and any proposed flood risk mitigation
(b) the layout of solar panel and power conversion stations to be sited within the design flood event (as defined in the flood risk assessment and outline drainage strategy) and associated updated volumetric loss calculations based on the flood mitigation detailed design; and
(c) details of the lowest point of all solar panels and power conversion stations (excluding any mounting structure)) and confirmation that all solar panels and power conversion stations are above the design flood event (as defined in the flood risk assessment and outline drainage strategy).
(3) The flood risk mitigation detailed design must substantially accord with the flood risk assessment and outline drainage strategy.

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Source: https://www.legislation.gov.uk/uksi/2026/934/schedule/2/paragraph/22 (the official version)
Page: https://openlegislation.uk/one-earth-solar-farm-order-2026/schedule-2/paragraph-22
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.