MISO’s Energy Storage Task Force has been left wondering if it will help shape the RTO’s response to FERC’s sweeping storage participation order issued last month.
The task force has yet to learn its role in working with MISO staff to craft market rules to comply with Order 841, which directs RTOs and ISOs to remove barriers preventing storage from participating in energy, capacity and ancillary service markets. RTOs will be given 270 days from publication in the Federal Register to file revised tariff language with FERC outlining a participation model and another year to implement the changes.
“Frankly, we don’t know how this will affect the task force,” task force Chair John Fernandes said during a March 1 meeting. He added that MISO’s Steering Committee would have to issue a directive for the task force to begin specifically considering Order 841 compliance. Until then, the group will continue to examine what MISO rules might need to be revised or added to enable storage to participate in markets. (See MISO Staff, Stakeholders Envision Expanded Storage Participation.) Wisconsin Public Service’s Chris Plante pointed out that MISO doesn’t necessarily run compliance filings by stakeholders before they are filed with FERC.
The RTO says it will use stakeholder input on the compliance filing, although it’s not yet clear how extensively stakeholders or the task force will guide the process.
“MISO is actively working on the Order 841 compliance filing though it has not yet appeared in the Federal Register,” spokesman Mark Brown said. “While the compliance obligation lies with MISO, MISO intends to leverage its stakeholder groups to get input from stakeholders as it works through the issues as identified in the filing. This includes the Energy Storage Task Force and other stakeholder subcommittees.”
Fernandes said FERC’s order defines storage as resources that can inject into the grid, making them eligible for make-whole payments and qualification as capacity resources.
“FERC was clear that they don’t want to change market rules to accommodate storage, but they want it to be able to participate,” Fernandes said. “The idea of this order is to allow storage to participate in markets considering their operating characteristics.”
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