Shaping a clean, flexible grid
As the impartial grid operator for the bulk of the state’s power grid, the ISO opens access to the wholesale power market that is designed to diversify resources and lower prices. We are committed to preparing the wholesale market for implementing California’s environmental policies.
Understanding the ISO
We operate a robust and reliable wholesale power system that balances the need for transmission reliability and lower costs, and act as a key platform to achieve clean energy goals. Learn more about what we do
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Publications and financials
Competitive electricity markets produce reliability and economic benefits. Read more about it
ISO market participants
The below lists contain all market participants, including scheduling coordinators, congestion revenue rights (CRR) holders, convergence bidding entities, generators and transmission owners.
Tours and speaking engagements
Tours of the ISO Folsom control room are available Monday through Friday 10:00 a.m. – 4:00 p.m. by approval only. Groups are limited to 30 attendees. Tours must be requested at least two weeks in advance for U.S. citizens and two months in advance for foreign visitors for security validation and clearance. Request a tour
Flex Alerts and conservation
The California ISO provides early warnings of possible electricity outages, which allow the public to better prepare for service interruptions and encourages energy conservation that may help prevent blackouts from occurring.
|California ISO overview
||The new power grid landscape |