CAISO's revised plan for a WEIM extended day-ahead market makes changes to transmission requirements and penalties for failing resource sufficiency evaluations.

A two-day CAISO stakeholder meeting on the proposed day-ahead extension of the Western EIM focused on resource sufficiency and transmission.

SPP’s plan to develop a market to compete with CAISO's Western EIM got a boost from utilities and energy customers in the Pacific Northwest.

The CREPC-WIRAB spring meeting focused on regional markets and transmission planning in the West, including FERC's recent transmission planning NOPR.

CAISO issued a straw proposal for its extended day-ahead offering in the Western Energy Imbalance Market, a renewed effort at greater Western regionalization.

A group of Western utilities plans to help SPP develop its Markets+ program in the West and to examine the benefits of joining it or CAISO's day-ahead market.

CAISO's Western Energy Imbalance Market surpassed $2 billion in total member benefits only 20 months after hitting the $1 billion mark in 2020.

CAISO, SPP and the Western Power Pool are all maneuvering to organize the Western electricity sector, and conditions finally seem ripe for change.

CAISO's Board of Governors extended controversial wheel-through restrictions for two more years as the ISO works on a long-term fix to transmission constraints.

Three stakeholder working groups charged with designing key elements of CAISO’s proposed extended day-ahead market for the Western EIM began meeting this week.