• Green hydrogen production in Dutch North Sea

Green Energy

Green hydrogen production in Dutch North Sea

Mar 01 2022

Neptune Energy and RWE announce the signing of a Joint Development Agreement to develop the offshore green hydrogen project "H2opZee" ahead of 2030. 

H2opZee is a demonstration project which aims to build 300-500 megawatts (MW) electrolyser capacity in the North Sea to produce green hydrogen using offshore wind. The hydrogen will then be transported to land through an existing pipeline.

The pipeline has a capacity of 10-12 gigawatts (GW), so is already suitable for the further roll-out of green hydrogen production to gigawatt scale in the North Sea. The intention is to begin the feasibility study in the second quarter of 2022. The project is an initiative of TKI Wind op Zee, an initiative supported by the Dutch government bringing people, knowledge and financing together to support the offshore energy transition.

H2opZee consists of two phases. In the first, a feasibility study will be carried out and an accessible knowledge platform will be set up. The objective is to start the roll-out of hydrogen at sea in the Netherlands. In the second phase, the project will be implemented. For this phase, a tender methodology has yet to be defined.

Neptune Energy’s Managing Director in the Netherlands, Lex de Groot, said: “We see an important role for green hydrogen in future energy supply, and it can be produced here in the North Sea. The energy transition can be faster, cheaper and cleaner if we integrate existing gas infrastructure into new systems.

“This infrastructure is technically suitable, no new pipeline at sea is needed and no new landfall is required through the coastal area. With the PosHYdon pilot we are one of the leaders in this field of offshore energy system integration and reuse. The lessons learned from this project apply to H2opZee.

“The faster we can scale up green hydrogen at sea, the faster industries such as chemicals and steel production can become more sustainable. With H2opZee, the Netherlands is becoming a world leader in this area. That is why we, together with RWE, are enthusiastic about H2opZee and what it has to offer the Netherlands.”

Sven Utermöhlen, CEO Offshore Wind at RWE Renewables, said: “Hydrogen is a gamechanger in the decarbonisation of energy-intensive sectors and H2opZee is a world first of this kind and scale. With Neptune Energy at our side, we want to develop the H2opZee project to demonstrate how offshore wind can be an ideal partner for the production of green hydrogen at scale and to explore the best way in terms of system integration.

“As RWE, we have a 20-years’ track record in offshore wind and have the hydrogen expertise along the entire value chain under one roof. We are convinced that learnings from the H2opZee demonstration project will help in ramping-up the hydrogen economy in the Netherlands as it presents an important step towards the roll-out of green hydrogen production offshore at large scale.”


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