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March 14, 2026

Elliot Mainzer

Wheeling Debate Tests West, CAISO CEO Says
CAISO stakeholders are still wary of the new proposed wheel-through provisions the ISO has submitted to FERC for clarity on the complex issue.
West Needs to Add Transmission for Renewables, CEOs Say
Western states must work together to build transmission avoid blackouts, Idaho Power CEO Lisa Grow and CAISO CEO Elliot Mainzer agreed.
CAISO Issues Final Report on August Blackouts
CAISO and state agencies released a final analysis of the August blackouts and steps they are taking to prevent capacity shortfalls this summer and beyond.
CAISO CEO Defends Blackouts Response
Top officials discussed CAISO’s handling of California’s mid-August blackouts and actions to avoid future shortages in a webinar.
New CAISO CEO Vows Urgency on Resource Adequacy
CAISO's new CEO, Elliot Mainzer, spoke with RTO Insider about his background, priorities and perspective on California's resource adequacy problem.
CAISO Further Reorganizes Executive Suite
CAISO said it was continuing to shake up its leadership team under new CEO Elliot Mainzer and recently appointed COO Mark Rothleder.
MISO Symposium Tackles Data Analytics
Officials from CAISO, NYISO and France's RTE joined MISO on the final day of its Market Symposium to discuss data analytics.
© RTO Insider
CAISO Leadership Changes Continue
CAISO announced it had promoted Mark Rothleder as chief operating officer and that two veteran vice presidents would retire at year-end.
CAISO Governors Say Hello, Goodbye
The CAISO Board of Governors bid farewell to its retired CEO, greeted a new leader and approved a plan to implement FERC Order 831.
© RTO Insider
CAISO Retiring, Incoming CEOs Field Questions
CAISO's outgoing and incoming CEOs answered stakeholder questions in a roundtable discussion hosted by the EIM’s Regional Issues Forum.

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