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Wind and water to Green hydrogen

In recent years, the power-to-X market has attracted enormous attention from the industry. One example is hydrogen (H2), which is a preferred option to combat the congestion problem and achieve greater energy flexibility. The DOT green hydrogen hub can use the power coming from the Pelton generator and the fresh water from reverse osmosis to create green hydrogen at any offshore location as it does not need any grid connection. When this hub is created near old offshore oil and gas (O&G) platforms, they can be repurposed to transport green hydrogen instead of natural gas through their existing infrastructure.

Market potential 

  • Over 45 GW of installed capacity needed for Green Hydrogen production with over 100 platforms in the North Sea suitable for potential electrification 
  • Electrification of O&G platforms provides fast track market
  • Hydrogen is already widely used for industry purposes 
  • At larger scale, offshore hydrogen electrolysis is cheaper than onshore hydrogen electrolysis 

Related innovations

Hydraulic Drivetrain

The core of the DOT concept is a sea water pump directly driven by the turbine rotor. It is capable of slow rotation speed, high pressure and high-power output.

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Wind Turbine

Operating a water-pumping wind turbine allows for different control strategies. DOT develops these during the integration of the pump in different turbine platforms.

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Pelton Turbine

Power conversion from high-pressure seawater is done using hydropower technology a pelton wheel driving a generator. DOT creates an unprecedented 4km hydraulic head.

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Reverse Osmosis

High pressure seawater can also be used through a reverse osmosis system. The DOT turbine takes out several energy conversion steps to arrive at renewably cleaned water for drinking, irrigation or H2 production.

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