3 ms·
World’s largest underground hydrogen storage project
- philipkglass 4y agoSummary: Mitsubishi Power Americas and Magnum Development are set to begin construction on a 300 GWh underground storage facility in the US state of Utah. It will consist of two caverns with capacities of 150 GWh, to store hydrogen generated by an adjacent 840 MW hydrogen-capable gas turbine combined cycle power plant.
- ishortit 4y agoI always wonder how the thermal efficiency of these whole system compares to something as mechanical as pumped hydro. Feels like many developments dance around the fact no one has a good way to actually *generate* the H2 cleanly. Best I’ve seen is a gallium compound electrolysis, ignoring so called “blue” (black) hydrogen from natgas.
- philipkglass 4y agoThis project will use water electrolysis powered by renewable electricity for clean hydrogen generation: https://www.energy.gov/lpo/advanced-clean-energy-storage https://www.energy.gov/lpo/advanced-clean-energy-storage As of 2017 the US had about 250 GWH of pumped-storage capacity and the world had about 1600 GWH: https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricit... So this one project can store more energy than all American pumped-storage projects. Pumped-storage is more efficient but it takes much more mass because gravity is such a weak force.