The Western Energy Imbalance Market is poised to make its largest expansion ever next spring with the inclusion of the Bonneville Power Administration.

California air quality regulators are devising a program to lower increased emissions that may occur as the state tries to meet energy demand during severe weather.

FERC approved an interconnection waiver requested by CAISO for two 30-MW generating units needed for reliability.

WAPA's Desert Southwest Region said it plans to join CAISO's Western Energy Imbalance Market, further splitting the PMA's regions between the ISO and SPP.

RTOs and ISOs described their strategies for using quick ramping products to offset weather-dependent renewable resources at a FERC conference Tuesday.

The WEIM approved participation by utilities within an entity's balancing authority area — a move intended to convince Xcel Energy Colorado to join the market.

CAISO asked the Department of Energy to allow six gas generators to operate for grid reliability while potentially exceeding pollution limits.

CAISO asked the Department of Energy  to allow six gas generators to operate for grid reliability while potentially exceeding pollution limits.

The California Energy Commission approved a measure to speed the interconnection of batteries to the grid following an emergency order by Gov. Gavin Newsom.

CAISO said total storage capacity and discharge capability nearly doubled in July compared with a month before in its latest summer market performance report.