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​Key topics

Here’s a guide to what’s trending at the ISO.


The ISO Board adopts the 2019-20 Transmission Plan

The newly adopted 2019-20 Transmission Plan ensures grid reliability and sets the foundation to meet the state’s renewable energy goals. For more details read the news release.

ISO extends visitor and travel restrictions

Due to coronavirus concerns, the California Independent System Operator (ISO) is extending temporary restrictions for in-person meetings at its offices and at off-site venues through May 1, or until further notice. View the full news release on

Northwest industry leader reappointed to EIM Governing Body

The Western Energy Imbalance (EIM) Governing Body today unanimously voted to reappoint Anita Decker to a second term. Read the news release.

ISO study proves wind can play major role in future grid

A newly published ISO report shows that wind power plants can supply essential grid services, creating a path for significant amounts of renewables to be added to the electric system.

Monthly stats for February are now available

The ISO has posted its February 2020 Monthly Stats to the News page of its website. The document provides viewers with a snapshot of key statistics, including peaks, renewable energy use, installed renewable resources, curtailment totals, historical data and Western Energy Imbalance Market benefits.

March edition of ISO’s Energy Matters newsletter is now available

Read the latest edition to learn about proactive steps the ISO is taking to reduce coronavirus risk, the planned retirement of the ISO CEO, Western EIM 5th anniversary cost savings, ISO renewables integration, and milestone achievements.

ISO Board members reappointed by Gov. Gavin Newsom

Ashutosh Bhagwat and Angelina Galiteva return to the ISO Board of Governors to continue working with staff on integrating renewables, expanding markets, and planning for the grid of the future. Read the news release.

Grid operator works towards modernizing the electricity grid

The ISO’s new fact sheet illustrates the grid operator’s efforts to improve grid reliability while reducing carbon on the electricity grid since 2017. Read the fact sheet.

2019 was a record-breaker for California ISO renewable integration

The ISO managed growing amounts of renewable resources onto its grid. Read more about it in the 2019 Statistics document, designed to compile key data points for the public to easily access. Read the news release.

Western EIM marks its five-year anniversary with $861 million in benefits

The ISO released its Western Energy Imbalance Market (EIM) fourth quarter report showing the market generated more than $60 million in gross benefits. Since 2015, the real-time energy market has produced more than $861 million in total benefits and resulted in the reduction of more than 430,000 metric tons in CO2. View the news release.