Someday, Back-up Batteries Will Pay for Themselves

There’s one surprisingly tricky piece of equipment that often stands in the way of fully electrifying a commercial building: the back-up generator. Batteries for back-up power are available, but the upfront cost differential is difficult to overcome.

"In addition to reducing demand, batteries can also act as distributed power plants and supply power to the grid when needed. However, this requires regulatory rules that allow aggregation entities to bid the collective power of many batteries into the wholesale markets."