Posts tagged: grid-scale battery-stored electricity

4 New Ways to Store Renewable Energy With Water

By: ANDREW SILVER If Elon Musk has his way, in the future we’ll all be storing renewable electricity inside big banks of lithium-ion batteries. But let’s not forget the energy storage situation today. In the United States, 97 percent of utility-scale storage in 2014 was in pumped-storage hydroelectric plants, according to research by Oak Ridge National […]