On January 19, 2017, the Federal Energy Regulatory Commission (FERC or Commission) issued a new policy statement entitled “Utilization of Electric Storage Resources for Multiple Services When Receiving Cost-Based Rate Recovery” (Storage Policy Statement or Policy Statement), which clarifies that electric storage resources may receive cost-based recovery for certain services, such as transmission or grid support services, while also receiving market-based revenues for separate services, such as selling electric energy, capacity and ancillary services in the organized wholesale markets, so long as adequate protections are in place to address potential abuses. The Storage Policy Statement suggests potential new revenue opportunities for electric storage resources that can provide multiple or stacked services, some of which are cost-based and some of which are market-based.
Storage Policy Statement Clarifies Prior Precedent
The Storage Policy Statement specifically aims to clarify questions left open by FERC’s prior decisions in Nevada Hydro and Western Grid. In Nevada Hydro, the Commission rejected a proposal by The Nevada Hydro Company, Inc. to treat an advanced pumped hydroelectric storage project as a transmission facility and allow its costs to be recovered through the California Independent System Operator’s (CAISO) transmission access charge. The company also proposed to have CAISO assume operational control over the project such that CAISO would have to determine when and how to charge and discharge electric energy from the storage project. Continue Reading