The Far-Off Future of Renewables

The future “stock” of renewable technologies, with reasons for their upsides and downsides

Photovoltaics are already used extensively in space, but gigantic arrays (with energy beamed to earth) may someday be utilized

Photovoltaics have almost limitless growth potential, while wind energy’s growth will be decent, and biomass growth will be small. These are my major predictions for the future growth of renewables. In addition, lithium-ion batteries will be superseded by solid-state batteries for cars, and molten-salt for utility…