Development of tidal stream generators: Difference between revisions

Revision as of 11:59, 4 May 2024

Revision as of 19:50, 8 May 2024

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Their second-generation 1.5&nbsp;MW{{NoteTag|Some sources quote the rated power as 2 MW|name=MagallanesPower}} '''ATIR''' device has two three-bladed counter-rotating 19&nbsp;m diameter rotors at either end of a common driveshaft, mounted below the 45&nbsp;m long hull.<ref name=":6">{{Cite journal |last1=Díaz-Dorado |first1=Eloy |last2=Carrillo |first2=Camilo |last3=Cidras |first3=Jose |last4=Román |first4=David |last5=Grande |first5=Javier |date=2021-01-21 |title=Performance evaluation and modelling of the Atir marine current turbine |journal=IET Renewable Power Generation |language=en |volume=15 |issue=4 |pages=821–838 |doi=10.1049/rpg2.12071 |issn=1752-1416|doi-access=free }}</ref><ref>{{Cite web |title=Magallanes Renovables ATIR at EMEC {{!}} Tethys |url=https://tethys.pnnl.gov/project-sites/magallanes-renovables-atir-emec |access-date=2023-12-21 |website=tethys.pnnl.gov}}</ref> It was constructed in Spain in the [[Ria de Vigo]] and launched in 2017 followed by a period of tow testing. The device was then towed to Orkney where it was deployed at the Fall of Warness and grid-connected in 2019. In 2020, it was towed to Edinburgh for maintenance, before returning to site in April 2021.<ref name=":7">{{Cite web |date=23 April 2021 |title=Magallanes tidal unit reinstalled at EMEC |url=https://renews.biz/68108/magallanes-tidal-unit-reinstalled-at-emec/ |access-date=2023-12-21 |website=ReNEWS.biz}}</ref><ref name=":8">{{Cite web |last=Marthinsen |first=Stig |title=Magallanes reinstall ATIR tidal turbine at EMEC, Interreg VB North Sea Region Programme |url=https://northsearegion.eu/periscope/news/magallanes-reinstall-atir-tidal-turbine-at-emec/ |access-date=2023-12-21 |website=northsearegion.eu |language=}}</ref> The company previously tested a smaller scale version of the ATIR device at the [[European Marine Energy Centre|EMEC]] nursery test site in Shapinsay Sound, although this was not grid-connected.<ref name=":8" />

In 2022, Magallanes Tidal Energy was awarded a [[contractContracts for Difference (UK electricity market support)|Contracts for differenceDifference]] (CfD) to supply subsidised electricity to the GB [[National Grid (Great Britain)|National Grid]], from a 1.5&nbsp;MW device at [[Morlais]] expected to be operational by 2025/26.<ref>{{Cite web |title=Contracts for Difference (CfD) Allocation Round 4: results |url=https://www.gov.uk/government/publications/contracts-for-difference-cfd-allocation-round-4-results |access-date=2023-11-26 |website=GOV.UK |language=en}}</ref> The following year, they were awarded a further 3&nbsp;MW at Morlais, and 1.5&nbsp;MW at EMEC.<ref name=":03">{{Cite web |title=Contracts for Difference (CfD) Allocation Round 5: results |url=https://www.gov.uk/government/publications/contracts-for-difference-cfd-allocation-round-5-results |access-date=2023-11-26 |website=GOV.UK |language=en}}</ref>

=== Marine Current Turbines ===