State regulators, utilities and public power groups asked an appeals court to overturn part of FERC’s landmark rule on energy storage.

FERC accepted rule changes broadening energy storage resources’ ability to provide capacity, energy, and ancillary services in ISO-NE’s markets.

Declining costs and new market rules are opening opportunities for energy storage, but the technology’s operating characteristics are challenging RTOs.

In a special conference call, MISO officials went over how the RTO would treat energy storage resources in its markets in compliance with FERC Order 841.

FERC agreed to postpone a technical conference over the frequency regulation market in PJM.

Speakers at the Energy Storage Association's Annual Conference said storage deployment will likely grow to 35 GW by 2025.

ACORE'S 15th Renewable Energy Policy Forum brought regulators, federal officials, investors and others for discussions in D.C.

FERC ordered RTOs and ISOs to revise their tariffs to allow energy storage resources full access to their markets.

Energy Secretary Rick Perry’s long-awaited grid study calls on the federal government to rescue traditional baseload power by addressing negative pricing.

FERC asked for additional comments on the rule it proposed in November that all newly interconnecting generators provide primary frequency response.