California ISO

Ancillary services are essential for keeping the power grid stable, but the details can be complex. In episode 2 of Frequency Band, experts Emma Nicholson, Energy Economist, and Robin Hytowitz, Program Lead at EPRI, explain it all. ow.ly/rn6s50Z2mfH

Enjoyed remarks from Nidhi Thakar (@CEBAPower) and Elliot Mainzer (@CaliforniaISO) about the Extended Day-Ahead Market (#EDAM) & the Regional Organization for Western Energy (#ROWE). Such smart, exciting developments! 🤓

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. ⚡ Read the news release: ow.ly/A9os50Z1UUm

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 @USTDA, provided a valuable opportunity for us to exchange knowledge and share best practices. 🤝

Anna McKenna, VP of Market Design and Analysis at CAISO, spoke at this year's @Cal_CCA Conference. 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. ⚡

"The electrical connectivity and resource diversity we built together is priceless," Mainzer said, reinforcing the importance of delivering reliable, affordable & efficient energy solutions across the West.

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.

We're going back to the lecture hall in our latest Frequency Band episode with Kyri Baker (@kyrib), Research Scientist at Google DeepMind & Associate Professor at CU Boulder.🎙️⚡️ Kyri explores the future of energy, its physics, economics, and more: ow.ly/uWYn50YNGCT

Registration is now open for the California ISO’s 2026 Stakeholder Symposium! ⚡Join us Oct. 5-6, 2026, in Sacramento, to hear from our industry experts and network with other energy professionals. 💡 Learn more in our latest Energy Matters blog: ow.ly/6ZRX50YZ6LW

For updates on the progress of the Pathways implementation, visit our information hub at WesternEnergyMarkets.com under the "Pathways" tab.⚡ 💡 This hub contains detailed information on implementation efforts, annual reports, and additional resources. ow.ly/ckH650YXN9C

The California ISO is closely monitoring the forecasted hot weather across the state. At this time, the power grid is stable, and no issues with energy supply are expected. Stay updated on real time grid conditions: caiso.com/todays-outlook

Happy Mother’s Day from CAISO! ✨ Today, we honor the strength, resilience, and endless energy of moms everywhere. You power the world in so many ways.⚡ Wishing you a bright day filled with love and positivity. 💛

Dr. Khaled Abdul-Rahman, VP, Chief Information and Technology Officer, is proud of the people working hard behind the scenes.⚡️ Following the successful launch of the Extended Day-Ahead Market, the CAISO team continues to work to ensure smooth and reliable operation of the grid.

Back to basics: What is the Extended Day-Ahead Market (EDAM) and how does it work? @FactorThisMedia's latest article explains the physics, economics, and governance of EDAM. ⚡ Read more here: ow.ly/CTzi50YWf9i

Extended Day-Ahead Market Update for May 6, 2026

NEWS: BHE Montana has officially joined the Western Energy Imbalance Market, expanding its reach to 24 balancing authorities across 12 Western states, to strengthen grid reliability & deliver low-cost electricity & greater reliability for its customers. ow.ly/T0t050YVJ5l

NEWS: The Western Energy Imbalance Market (WEIM) is growing, as Black Hills Corp.'s electric utility subsidiaries in South Dakota and Wyoming have joined the WEIM! This move aims to boost grid reliability and deliver affordable electricity to customers. ow.ly/CRR850YVIVa

Extended Day-Ahead Market Update for May 5, 2026

As summer approaches, California’s electric grid is stronger and more resilient than in past years. Read more about what energy leaders have to say about the Summer 2026 grid reliability outlook: bit.ly/4d3QZAG #BatteryStorage #CleanEnergyCA

Extended Day-Ahead Market Update for May 4, 2026