I have a new favorite word — aggregation. At the risk of sounding like a reporter, I’m going to summarize a pre-holiday news story you might have missed but need to know about.

In late November the PJM Interconnect, the largest of nine regional grid system operators in the U.S., announced that it had begun buying frequency regulation services from small-scale, behind the meter, demand response assets in Pennsylvania.

via Understanding Manufacturing Economics for Grid-scale Energy Storage | Renewable Energy News Article.