The Federal Energy Regulatory Commission (FERC or Commission) appears to be inching closer toward a resolution on grid operators’ proposals to facilitate electric storage participation in organized capacity, energy, and ancillary service markets. On April 1, FERC’s Office of Energy Market Regulation (Staff) directed each of the Independent System Operators (ISOs) and Regional Transmission Organizations (RTOs) that submitted compliance filings in response to FERC’s Order No. 841 to submit additional information on the mechanics of their proposed energy storage market rules. Those latest actions by Staff break FERC’s recent silence on the grid operators’ proposals, which were submitted to the Commission over four months ago and which must be implemented as early as December 2019.
Although tailored to each ISO’s and RTO’s proposal, Staff’s requests were largely centered on the same general areas and directed the ISOs and RTOs to further explain how the mechanics of their proposed storage participation models meet compliance with Order No. 841. For example, among other things, Staff sought more information on how the ISOs and RTOs will: