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Seasonal hydrogen storage for residential self-consumption – pv magazine International


Finnish and German researchers assessed the function of seasonal hydrogen storage for PV prosumer households with a “lowest price” mannequin on the world degree till 2050. They discovered that seasonal hydrogen storage can solely be anticipated in a distinct segment, off-grid market.

Scientists from Finland’s LUT College and Germany’s Regensburg College of Utilized Sciences are finding out whether or not seasonal hydrogen storage (SHS) may very well be a cheap answer for maximizing photo voltaic self-consumption within the coming many years. .

The workforce performed a world evaluation of 145 areas from 2020 to 2050 in five-year increments below a “least price” mannequin. They simulated a residential rooftop PV system with SHS utilizing LUT-Prosume software program. The evaluation consists of detailed projections for part prices of the SHS system obtained from numerous sources. The elements of SHS embrace water electrolyzer, hydrogen compressor, storage tank, and gas cell.

The research considers whether or not SHS prices are optimized for on-grid or off-grid operation in eight residential self-consumption eventualities. Others embrace electrical autos, lithium-ion battery storage, and ground-source warmth pumps for area and water heating.

The outcomes present that SHS can solely be anticipated in a distinct segment off-grid market, in areas restricted to North America, Northern Europe, and Northwest Eurasia. Lebanon, Kuwait, Bahrain, and Qatar may even see a small quantity of SHS capability, based on the research. The southern areas of Canada, Scandinavia, or the Baltics present a comparatively small SHS capability of lower than 1,000 kWh.

“It’s assumed that the areas with much less hydrogen vitality storage capability are smaller when it comes to which the SHS with the smaller capacities is less expensive than a standalone PV and battery system,” stated the researcher.

Notably, SHS will not be the least price choice in any of the investigated areas for on-grid eventualities.

“Excessive funding prices and low effectivity of changing electrical energy to hydrogen-to-electricity by a water electrolyzer and gas cell are main drawbacks for a profitable introduction as a seasonal storage choice in photovoltaic prosumer system,” the scientists stated.

They share their findings with “Seasonal hydrogen storage for residential on- and off-grid photo voltaic photovoltaics prosumer functions: Revolutionary answer or area of interest marketplace for the vitality transition to 2050?,” which was just lately revealed in Utilized Vitality.

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