Energy Storage: The Secret Weapon of the Clean Energy Revolution
Energy storage captures energy for later use, making intermittently-produced power (like solar or wind) available on demand enelgreenpower.com, energy.gov. – Major storage types include electrical (batteries, capacitors), mechanical (pumped hydro, flywheels), thermal (molten salt, ice) and chemical (hydrogen, fuels) energy.gov, eia.gov. –