About
Our business
The California ISO manages the flow of electricity across high-voltage, long-distance power lines. We operate a competitive wholesale energy market that promotes lower costs and renewable resources, as well as overseeing transmission planning to maximize efficiency and reliability. Learn more
What we do
Grid operations
The ISO manages a transmission system that delivers wholesale electricity to local utilities for distribution to consumers.
Market administration
Our day-ahead and real-time markets ensure enough energy is procured, confirmed, and optimized to foster grid reliability.
Transmission planning
We identify regional grid reliability requirements and projects that yield economic benefits for consumers.
Our leadership
The ISO is led by an experienced executive management team that ensures the reliable performance of the high-voltage electricity grid, and led the ISO to a green energy future. Learn more
Governance and committees
The California ISO Board of Governors shapes policies, approves grid planning and market design changes, and reviews and approves the annual ISO budget. Learn more
- Board of Governors
- Audit Committee
- Department of Market Monitoring Oversight Committee
- Market Surveillance Committee
- Western Energy Imbalance Market Governing Body
- Western Energy Imbalance Market Governance Review Committee
Newsroom
California is at the forefront of the renewable energy transition, and the ISO’s work supports the state’s clean power goals. Public affairs and media relations are at the heart of the ISO’s mission to inform, educate, and promote the clean, resilient electric system and efficient market of the future.
Careers
We offer exciting and challenging career opportunities working with some of the best and brightest in the industry. Learn more about what the ISO offers.
Financials
Read ISO’s financial reports, debt financing reports, budget and grid management charges, and audit reports. Visit the Financials page to learn more.
Contact
ISO’s business hours are Monday through Friday from 8 a.m. to 5 p.m. Visit the Contact us page for department specific contact information.