“Green” hydrogen, as it is called, is produced by electrolysis, using renewable electricity. PEM (proton exchange membrane) electrolyzers, which are onsite at the wind/solar power facility, split water molecules into hydrogen and oxygen. The hydrogen is stored in tanks until the power is needed. The hydrogen then powers fuel cells to generate megawatt-scale power—enough reliable, stable, zero-emission energy to power a building, facility, or regional grid.
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