تولید برق تجدید پذیر کالیفرنیا و سودآوری ذخیره سازی هیدرولیک پمپ شده است

An analysis of 860 daily observations finds that rising renewable generation does not significantly diminish a pumped hydro storage system's daily operating profits from energy sales at the day-head and real-time market prices. The system, however, faces severely inadequate investment incentive because its annual operating profit can hardly pay for its annual fixed cost.