FERC clarified Order 784, its 2013 rule opening the ancillary services markets to more competition from energy storage.

Briefs from federal agencies governing PJM Interconnection and other national organizations. This week's news include stories from Congress, the Energy Information Administration, the Environmental Protection Agency, the Department of Energy, and other national news.

Advanced electric storage devices should be treated like limited demand response resources in the capacity market because of their short run times, PJM says.

News briefs on companies in PJM Interconnection: Constellation, American Electric Power, Somerset County Rural Electric Cooperative, Exelon, NRG Energy.

The PJM Planning Committee will hold an electric storage webinar, the planning committee's first educational session, from 1-4 p.m. Oct. 29.

Members agreed to consider new rules to allow batteries, flywheels and other advanced storage technologies to bid in the capacity market.

A 2010 white paper by the Electric Power Research Institute (EPRI) identified 10 applications for energy storage across the entire electricity supply chain.

RTO Insider's monthly preview of the items on the PJM MC and MRC agendas along with a description/explanation and links to our previous coverage.

Advanced energy storage is ready to move beyond pilot projects and into day-to-day operations. But it will take rule changes and cost reductions for the technologies to reach their potential.

Members will consider rules allowing batteries, flywheels and other advanced energy storage technologies to participate in the PJM capacity market.