Offshore electricity transmission
Diamond Transmission Partners Hornsea One Limited: decision on July 2025 exceptional event claim
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This document outlines the Authority’s decision that the events at Diamond Transmission Partners Hornsea One Limited from 16 July 2025 to 19 July 2025 were caused by an exceptional event. It also provides the reasons for this decision.
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[Diamond Transmission Partners Hornsea One Limited: decision on July 2025 exceptional event claim [PDF, 192.99KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-10/Hornsea-One-EE0725-Final-Direction.pdf)