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by Jeff St. John
June 16, 2016

Photo: NASA

The slow march of distributed energy as a grid resource continues. This month, the Federal Energy Regulatory Commission approved plans from California’s grid operator to allow aggregations of rooftop solar, batteries, plug-in vehicles and other behind-the-meter distributed energy resources -- DERs, in industry parlance -- to participate in their wholesale energy markets.

That doesn’t mean that DERs are now bidding into grid markets, however. FERC’s approval is only the first step in the process. It’s going to take a whole new...