Spanish utility Naturgy is working with gas grid operator Enagás on a green hydrogen study using 350MW of combined onshore and floating offshore wind capacity in north-west Spain.
The eventual project could use output from a 250MW offshore wind farm and 100MW onshore wind farm to produce green hydrogen to decarbonise sectors such as steel and shipyards in north-west Spain.
Enagás and Naturgy will examine electrolysis at the renewable energy plants being developed by Navantia and Windar in Asturias.
The project could create more than 1,500 jobs in construction and operation, they believe.
Enagás and Naturgy would first deploy a demonstration project, with 50MW of offshore wind and 100MW of onshore wind capacity, with a 5MW offshore electrolyser and a 100MW onshore electrolyser.
A follow-up phase could see the offshore site expanded to a 250MW capacity. The combined 350MW wind capacity would feed the two prior electrolysers, as well as an additional 100MW electrolyser. The 50MW Asturias Phase 1 pilot offshore wind farm would feature 24 turbines on floating platforms developed by Navantia and Windar –implying an average power rating of more than 10MW.
It is estimated that the project could reduce emissions by the equivalent of more than the 200,000 tonnes of CO2 per year.
The large-scale distribution of hydrogen could come through gas pipelines and be exported within Europe, the two firms said in a statement.
Enagás and Naturgy view Asturias as an important location for the energy transition and have joined a “Hydrogen Round Table” set up by Asturias to help the region’s industry incorporate renewable gases such as hydrogen into energy production.
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