01-10-2015, 12:13 AM
Several new types of battery, each capable of cost-effectively storing the energy output from a wind or solar farm, are finally being hooked up to power grids. The so-called grid batteries could lower the cost of renewable energy by eliminating the intermittency problem that arises when the sun isn’t shining or the wind isn’t blowing.
Hawaii Battery Gives Wind and Solar a Boost | MIT Technology Review

