The Netherlands’ independent green fuel company, SwitcH2, and the independent floating production storage and offloading (FPSO) vessel engineer and operator, BW Offshore, are considering developing the SwitcH2 NH3 OFFSET FPSO Green Ammonia, a green ammonia floating production unit.
The Dutch government plans to reduce by 2030 its carbon dioxide (CO2) emissions by 45% compared to 1990 and should be carbon neutral by 2050.
After the Russian invasion of Ukraine, Europe decided to boost its energy dependency through its RePowerEU.
In 2022, the Netherlands have an installed wind power capacity above 8 gigawatts (GW), with 29.6% based offshore.
SwitcH2 NH3 OFFSET History
By 2050, the Netherlands plans to install about 70 GW of wind capacity power.
SwitcH2 and BW Offshore will collaborate on a green ammonia FPSO that will be based near the floating wind farm.
The floating wind farm should power the FPSO and produce green hydrogen and ammonia.
BW Offshore should modify an existing FPSO or Very Large Crude Carrier (VLCC) and install a 100 megawatt (MW) electrolyzer.
The vessel should be 330 meters long and able to operate in 200 meters of water deep.
The project’s proof of concept (POF) has been validated by DNV.
In April 2023, the project should move to front-end engineering, and design (FEED), the engineering, procurement, and construction (EPC) should follow by 2024, with operations expected by 2025.

— May 2023 —
The Dutch government let $3.3 million to support the project.
— August 2023 —
ThyssenKrupp joined the project and should design and engineer the ammonia development.
— June 2024 —
The project, now called OFFSET, should move to EPC by 2025.
By 2027, SwitcH2 is planning to connect the FPSO to the wind farm by 2027, with operations expected by 2028.
— October 2024 —
SwitcH2 selected Ohmium International to develop PEM electrolyzer solutions.
The PEM electrolyzer should now reach up to 300MW.
Ohmium International should design it from its US office, and manufacture if from Indian facility.
— March 2025 —
SwitcH2 has signed a shareholders agreement with Jord International, which should also participate in the final project design.
SwitcH2 should make the FID before the end of 2025, and already selected most of the key partners:
– ABB for the electrical and control systems
– BW Offshore for the vessel modification
– CorPower Ocean to power the facility
– Jord Oil and Gas Systems (JOGS) for the topside design
– Ohmium for the PEM electrolyzer
– ThyssenKrupp for the ammonia synthesis process
The EPC should start in 2026, with operations expected by 2029.
When achieved, the green ammonia FPSO vessel should operate in Portugal.
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