Company intelligence
California ISO
The ISO is a nonprofit public benefit corporation that operates the majority of the West's wholesale power grid.
About California ISO
The California Independent System Operator (ISO) manages the flow of electricity across the high-voltage, long-distance power lines that make up 80 percent of California's power grid. We safeguard the economy and well-being of 30 million Californians by "keeping the lights on" 24/7. As the impartial grid operator, the California ISO opens access to the wholesale power market that is designed to diversify resources and lower prices. It also grants equal access to 25,865 circuit-miles of power lines and reduces barriers to diverse resources competing to bring power to customers. The California ISO's function is often compared to that of air traffic controllers. It would be grossly unfair for air traffic controllers to represent one airline and profit from allowing that company's planes to go through before others. In the same way, the California ISO operates independently—managing the electron traffic on a power grid we do not own—making sure electricity is safely delivered to utilities and consumers on time and reliably.
Verified activity
Signals from California ISO
6 published signals
Operations & Supply
California ISO announced that Great Basin Transmission completed a new 285-mile, 500 kV transmission line connecting Idaho and Nevada to support energy demand and improve grid reliability across the West.
Reported by California ISO
Presence & Recognition
California ISO is participating in the 2026 Stakeholder Symposium for a 2-part series on the future of energy and embracing emerging tech.
Reported by California ISO
Presence & Recognition
California ISO was part of the diverse coalition of parties that came together to make the SWIP-North project a reality.
Reported by Elliot Mainzer
Presence & Recognition
California ISO President and CEO Elliot Mainzer explained the value of collaboration through the International System Operators Network (ISON) in a blog post published in Energy Matters.
Reported by California ISO
Presence & Recognition
California ISO featured Episode 5 of Frequency Band, Grid Status Founder Connor Waldoch and CAISO COO Mark Rothleder discussing the data and charts behind EDAM trends.
Reported by California ISO
Presence & Recognition
California ISO and Southwest Power Pool are hosting a joint market seams workshop on Sept. 16, 2026, at Black Hills Energy Offices.
Reported by California ISO