Five Ways Companies Can Store Renewable Energy for the Grid
Even the best lithium-ion batteries stink at storing the large amounts of electricity a massive wind or solar installation is capable of generating. They’re expensive and hold, at most, about four hours’ worth of that grid-scale juice. Here are five potentially less costly—if somewhat Rube Goldberg-y—methods companies are trying to store power as potential energy in other forms, smoothing out renewable energy’s peaks and valleys.
Article for Bloomberg Businessweek.