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California Independent System Operator

Energy Supply & Distribution
Independent System Operator (ISO)

PO Box 639014, Folsom, CA 95630, USA
(916) 608-7320
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Company Overview

The California ISO is uncompromising in maintaining reliability and accessibility to one of the largest and most modern power grids in the world. We work every minute of every day in our control center to “keep the lights on” while meeting the electricity needs of Californians through a competitive market. Learn more about us and how we look ahead to plan for the grid of the future.


  • Independent System Operator (ISO)

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