New Reliability Record for the World’s Largest Tidal Stream Array
11.07.2025The engineering company SKF (Sweden) and Proteus Marine Renewables (United Kingdom) have joined forces to implement advanced technology at MeyGen, the world’s largest tidal stream array, located in the Pentland Firth off the northern coast of Scotland.
MeyGen was commissioned in 2017, with turbines operating continuously since 2018. The array is operated by SAE Renewables, while technological support is provided by Proteus Marine Renewables in partnership with SKF. SKF supplies critical components for the turbines, including bearings and seals for the main rotor, yaw system, and blade pitch mechanism.
Scaling Up: Next Phase of Deployment
Starting in 2026, a new series of AR3000 tidal turbines, each with a capacity of 3 MW, is expected to be deployed in Scotland, France, and Japan. Each unit will be capable of powering approximately 3,000 households.
Tidal power is one of the most predictable renewable energy sources and can serve as a stable complement to solar and wind in the global transition to 100% renewable energy.
In the UK, 1 GW of tidal stream capacity is targeted by 2035, enough to supply electricity to over 829,000 homes. According to a 2024 study by Offshore Renewable Energy and Imperial College London, the tidal sector could contribute up to £17 billion to the UK economy and create 15,000 jobs by 2050.
Globally, the tidal energy market—valued at $1.3 billion in 2023—is projected to grow to $8.1 billion by 2030, according to Introspective Market Research.
Sources:
Official website of SKF
Website of Proteus Marine Renewables
SeaNews.co.uk – industry news outlet covering marine energy
InterestingEngineering.com – global engineering and technology media
Offshore-Energy.biz – offshore energy industry news platform
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