• Source: Offshore transmission owner

Offshore Transmission Owners (OFTOs) operate and maintain offshore electric power transmission infrastructure in Great Britain, delivering electrical power from offshore wind farms to the National Grid. OFTOs may design and build this transmission infrastructure, but in most cases wind farm developers construct the electrical transmission assets and then sell them to an OFTO once complete.




Operation


In the British electricity market, different functions of the electricity system are separated, with this practice beginning in the 1980s. The activities of generators, transmission operators, system operators, distribution operators and suppliers are separately licensed by Ofgem, with a single business unable to perform multiple functions due to UK Competition Law.
The groundwork for the offshore transmission regime was laid by the Energy Act 2004, with the first offshore transmission license being awarded in 2011. As of 2021, all the offshore transmission infrastructure in Great Britain has been built by wind farm developers, who are then required to sell their transmission assets to a separately licensed Offshore Transmission Owner. The divestment must take place before the Generator Commissioning Clause date, on which the exemption from this requirement lapses.
Divestment is managed via a regulated tender process administered by the energy regulator Ofgem. Qualifying bidders are required to conduct due diligence before submitting a bid to purchase the assets for transfer value determined by Ofgem and receive their bid Tender Revenue Stream (TRS) for a fixed license period. Ofgem then appoints a Preferred Bidder who negotiates the purchase terms with the Developer, after which Ofgem awards a transmission license and the transfer takes place.




Offshore transmission operators






References






External links


Offshore Transmission (OFTO) regime, now fully in place, set to achieve further savings
https://www.4coffshore.com/news/race-bank-ofto-merger-approval-nid11189.html
https://www.spglobal.com/platts/en/market-insights/latest-news/electric-power/041219-five-bidders-shortlisted-for-uk-offshore-transmission-assets
https://www.offshorewind.biz/2019/04/12/five-remain-in-gbp-2-7-billion-ofto-race-in-uk/

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