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.

CAISO intends in 2022 to focus on long-term transmission planning, interconnecting storage and extending the real-time Western EIM to a day-ahead market.

CAISO restarted the stakeholder process to expand its Western Energy Imbalance Market from a real-time to a day-ahead interstate market after a 14-month break.

FERC commissioners told an audience of Western stakeholders and regulators that they back the formation of a Western RTO; California can't go it alone.

Increased discussion of a Western RTO is being driven by clean-energy mandates and state laws requiring transmission owners to join an organized market.

CAISO paused its WEIM EDAM effort last year but renewed it Wednesday amid a growing push for greater Western regionalization and market coordination.

CAISO’s top priority in 2021 will be making sure there is enough generating capacity for summer after last year’s shortfalls.