The Other Major Renewables
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- Feb 18, 2020 4:09 pm GMT
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This paper is about two types of renewable energy: geothermal generation and hydroelectric generation. The former supports one major western U.S. grid with substantial dispatchable capacity, and has significant potential for expansion. Hydro supports many U.S. grids, but is still somewhat regional, and has limited potential for expansion. Neither emits significant greenhouse gases. Although both are dispatchable (and thus can mitigate intermittent renewable sources like PV and Wind), hydroelectric is highly constrained, and geothermal is only slightly constrained.