California ISO

California ISO The ISO is a nonprofit public benefit corp. that operates the majority of CA's wholesale power grid.

Our April 2026 Key Stats are here! ⚡💡 Discover the resources that keep our grid running smoothly: https://bit.ly/4dMVCR6
06/03/2026

Our April 2026 Key Stats are here! ⚡

💡 Discover the resources that keep our grid running smoothly: https://bit.ly/4dMVCR6

During Pride Month, the California ISO is celebrating our vibrant LGBTQ+ community. We recognize the strength and resili...
06/02/2026

During Pride Month, the California ISO is celebrating our vibrant LGBTQ+ community. We recognize the strength and resilience found in embracing all identities. 🏳️‍🌈🏳️‍⚧️

Stanford University brought students, faculty, and alumni to CAISO through Explore Energy, which animates curricular con...
05/29/2026

Stanford University brought students, faculty, and alumni to CAISO through Explore Energy, which animates curricular content with experiential learning. The participants hailed from courses in understanding energy, transmission planning, electricity markets, energy policy and more. ⚡

On Memorial Day, the CAISO remembers the brave heroes who have made the ultimate sacrifice for our freedom.
05/25/2026

On Memorial Day, the CAISO remembers the brave heroes who have made the ultimate sacrifice for our freedom.

05/22/2026

Ancillary services play a key role in keeping our power grid stable, but the details can get complex. ⚡️🎙️

In episode 2 of Frequency Band, Paul Dockery and Becky Robinson team up with experts Emma Nicholson, Energy Economist at Charles River Associates and former Senior Economic Advisor at FERC, and Robin Broder Hytowitz, program Lead at EPRI, to break it all down.

🎧Stream it now: https://ow.ly/mCFM50Z2nIu

NEWS: The California ISO’s Board of Governors today approved the ISO’s 2025-2026 Transmission Plan, recommending 38 infr...
05/19/2026

NEWS: The California ISO’s Board of Governors today approved the ISO’s 2025-2026 Transmission Plan, recommending 38 infrastructure projects to support growing electricity demand and grid reliability. ⚡

✔ Focus on least-cost solutions and long-term value for customers
✔ 12 reconductoring projects that increase transmission capacity without having to build new transmission from scratch
✔ Supports renewable energy development: 45 GW solar, 8 GW wind, 2 GW geothermal, 10 GW imported wind energy, and 4.5 GW offshore wind

Read the news release: https://ow.ly/uqwN50Z1UTC

An all-new episode of Frequency Band drops tomorrow, May 20! 🎙️What are ancillary services and what role do they play in...
05/19/2026

An all-new episode of Frequency Band drops tomorrow, May 20! 🎙️

What are ancillary services and what role do they play in keeping the grid stable? Tune in to our electrifying conversation with Emma Nicholson, Energy Economist, and Robin Hytowitz, Program Lead at Electric Power Research Institute (EPRI) to find out. ⚡️

💡Subscribe and learn more: https://www.caiso.com/frequency-band-podcast

It was a pleasure to host a delegation from Africa (Ethiopia, Kenya, Uganda, and the Democratic Republic of the Congo) a...
05/18/2026

It was a pleasure to host a delegation from Africa (Ethiopia, Kenya, Uganda, and the Democratic Republic of the Congo) at the CAISO offices. This visit, sponsored by the U.S. Trade and Development Agency (USTDA), provided a valuable opportunity for us to exchange knowledge and share best practices. 🤝

Anna McKenna, Vice President of Market Design and Analysis at CAISO, spoke at this year's CalCCA Conference in Sacrament...
05/15/2026

Anna McKenna, Vice President of Market Design and Analysis at CAISO, spoke at this year's CalCCA Conference in Sacramento, CA. She joined other energy industry experts on the "On the ROWE Again: Mapping a New RA Framework for EDAM Adequacy" panel to discuss the future of regional resource adequacy. ⚡

Yesterday, Elliot Mainzer shared his insights during the Committee on Regional Electric Power Coordination (CREPC) after...
05/14/2026

Yesterday, Elliot Mainzer shared his insights during the Committee on Regional Electric Power Coordination (CREPC) afternoon panel on Major Milestones for Western Markets, speaking to regulators, state energy directors, and other stakeholders from across the West.

He highlighted progress on the Extended Day-Ahead Market, Western Energy Imbalance Market, resource adequacy, and transmission planning. “The electrical connectivity and resource diversity we built together is priceless,” Mainzer said, reinforcing the importance of delivering reliable, affordable and efficient energy solutions across the West.

Address

250 Outcropping Way
Folsom, CA
95630

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+19163514400

Website

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