Offshore electricity transmission
Diamond Transmission Partners Hornsea One Limited: decision on 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 23 September to 29 September 2024 were caused by an exceptional event. It also provides the reasons for this decision.
Main document
[Hornsea One Exceptional Event Final Direction [PDF, 146.46KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-05/Hornsea-One-EE0924_2%20Final%20Direction.pdf)