A hot energy topic with little coordinated analysis, green hydrogen has finally attracted the number crunchers of BloombergNEF.
Electrolyzer manufacturers are in agreement on the goal of rapidly reducing investment costs, mainly through economies of scale. Some are embracing large units, while others are betting on quantity over size. The first approach is attractive for operators of large PV plants, while the latter is better suited to operators of small systems.
Spanish utility Iberdrola plans to link a 100 MW/20 MWh solar-plus-storage plant to hydrogen production in Puertollano, in southern Spain. The project will require an investment of up to €150 million euros and will be one of the largest installations of its kind in Europe.
Compressed hydrogen is “the first viable option” to help meet wintertime electricity demand in a high-renewables grid, says DNV GL.
A feasibility study will explore a new option for producing and using renewable hydrogen, with the help of funding provided by the Australian Renewable Energy Agency (ARENA). If the study supports the business case, the project will deliver the largest hydrogen electrolysis plant in Australia.
A report by Norwegian energy consultant DNV GL has considered the opportunity for long-term energy storage to play a role in balancing annual supply and demand fluctuations in a renewables-led grid. Using 58 years of Dutch weather and energy consumption data, the study found long-term solutions such as green hydrogen could make a valuable contribution – but perhaps not as much as some analysts believe.
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