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Home > Key Topics

​Key topics

Here’s a dynamic, up-to-the-minute guide to what’s trending at the ISO.


The ISO welcomes new Reliability Coordinator participants

Agreements have been signed with 32 of the expected 39 electricity balancing authorities and transmission operators to receive Reliability Coordinator services from the ISO. Read the full news release here.

ISO welcomes Public Service of New Mexico to the Western EIM

The California ISO and Public Service of New Mexico (PNM) have announced that the Albuquerque-based utility will join the Western Energy Imbalance Market in 2021. New Mexico state regulators recently approved PNM’s request to move forward with participating in the only real-time market in the West. See the news release for more details.

Energy Matters newsletter now available

The latest edition of Energy Matters highlights the ISO’s 2018 achievements, including measures to create a more stable and efficient power grid, its progress toward becoming a Reliability Coordinator, and its improved communications with stakeholders and the public.

ISO welcomes NorthWestern Energy to the Western EIM

NorthWestern Energy announced today that it has elected to begin participating in the Western Energy Imbalance Market. Based in Butte, Mont., the utility has over 700,000 customers in Montana, South Dakota and Nebraska with a resource portfolio that includes 11 hydroelectric dams. See the news release for more details.

ISO posts new CBTs on energy grid and wholesale market

A new series of computer-based training (CBT) modules has been added to the California ISO’s public website. The CBTs cover basic overviews of ISOs, power generation, and energy markets, and are designed to educate general users and stakeholders. Read the news release to learn more.

Energy Imbalance Market benefits surpass half billion dollars

The Western EIM has now surpassed a half billion dollars in gross benefits since its launch in November 2014. The third quarter report also shows benefits for July, August and September totaled $100.58 million. Read about it in our news release.