California regulators first to allow multiple revenue streams for energy storage

California regulators first to allow multiple revenue streams for energy storage

The California Public Utilities Commission in mid-January became the first state regulator to issue revenue stacking rules for energy storage projects, but the rules could be more of a starting point than an end point. Revenue stacking — the layering of uses for a storage system to allow for more than one revenue stream — has become something of a Holy Grail for energy storage projects since the concept was included in a 2015 paper by the Rocky Mountain Institute. The idea is that the economics of energy storage can be optimized by using its unique characteristics to act […]