CAISO’s Western Energy Imbalance Market posted more than $801 million in benefits for its participants after five years of reporting quarterly results.

Avista's [NYSE:AVA] Scott Kinney explained the factors that led to the utility's decision to join CAISO's EIM during the market’s Regional Issues Forum.

A carbon workshop hosted by the EIM underscored how West Coast and Intermountain states can be uneasy partners in CAISO’s real-time market.

The Western Energy Imbalance Market (EIM) Governing Body heard proposals regarding its existing real-time market and an expanded day-ahead market.

California legislators will struggle with wildfire liability, while lawmakers in Washington and Nevada could debate clean energy.

Powerex is navigating a turbulent relationship with EIM rules the company says undercut the value of its hydro power resources.

CAISO's Extended Day-Ahead Market proposal could be done without the political entanglements involved with an RTO, Sarah Edmonds said.

Speakers at a CAISO Regional Issues Forum discussed their approach to effectively integrating hydropower, coal and jointly owned plants into the EIM.

EIM market participants voiced concerns about fluctuating load forecasts that make it harder to pass resource sufficiency tests.

Participants in a forum created by CAISO to discuss EIM issues and want to move quickly to complete an evaluation that will shape the group’s role.