CAISO/WEIM

The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
CAISO Regionalization Bill Cast on Uncertain Course
The California State Senate’s Appropriations Committee sent a bill that would transform CAISO into an RTO back down to the Rules Committee.
© RTO Insider
Western RTO or Bust? Not so, Says Industry
Talk of a Western RTO continued at the 11th annual gathering of the Western Power Issues Roundtable, after several shakeups in the Western Interconnection.
© RTO Insider
California Wildfire Liability Plan Faces Skeptics
California’s three investor-owned utilities want lawmakers to limit their liability for wildfires sparked by power lines.
Bob Dass via Creative Commons
Wildfires Reshaping Regulator’s Role, CPUC Chief Says
CPUC President Michael Picker told California lawmakers that the commission is increasingly focused on wildfire prevention.
CAISO
Forecast Error Prompts CAISO CPM Procurement
A forecasting error is prompting CAISO to procure a large volume of out-of-market resources for September under a special measure.
CAISO
EIM Benefits Surge to $71.2M in Q2
The Western Energy Imbalance Market saw financial benefits soar to a record $71.2 million in the second quarter, according to a CAISO report.
FERC OKs GridLiance West Incentives, Questions ROE
FERC granted GridLiance West incentive rate treatments for upgrades to a Nevada transmission line that connects to the CAISO grid.
CAISO Board OKs RC Rate Plan, RMR Change
CAISO’s push to become a reliability coordinator (RC) passed its first milestone after its Board of Governors approved the proposed rate design.
UPDATED: Peak Reliability to Wind Down Operations
Peak Reliability said that it will wind down its role as a Reliability Coordinator and end its joint venture with PJM to form a western electricity market.
Fort Churchill Generating Station, NVEnergy
EIM OKs ‘Simple’ GHG Compliance Plan
CAISO EIM officials approved a proposal to prevent market participants outside Ca. from skirting the state’s greenhouse gas (GHG) compliance obligations.

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