(Source: Fortune, May 22, 2016)
NEW YORK — In April, the Nevada Bureau of Land Management granted environmental approval and a land lease to Advanced Rail Energy Storage (ARES), a startup with an energy storage solution that’s both novel and old-school. Apparently taking some inspiration from the myth of Sisyphus, ARES proposes to use excess off-peak energy to push a heavily-loaded train up a grade. Then, when the grid needs that energy back, the cars will be rolled back down the slope—but in a significant improvement on the myth, that return trip will generate energy and put it back on the grid.
Full story: Fortune