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​Key topics

To help our readers stay on top of energy developments, here’s a dynamic, up-to-the-minute guide to what’s trending at the ISO.


Wind and Solar Curtailment Report now available

The California ISO provides a detailed accounting of wind and solar renewable generation curtailed in the ISO market. Read these reports in the context of the daily renewables watch reports for a more complete understanding of both renewable curtailment and generation.

Access the reports here

Regional Collaboration

Learn more about the Western Energy Imbalance Market and the potential benefits of a fully integrated regional grid.

Read about it here

Using Renewables to Operate a Low-Carbon Grid

Test results show renewables can offer reliability, creating a path to a greener grid. The testing, conducted in August 2016, demonstrated that renewable energy plants with smart inverter-based technology can offer electric reliability services similar, or in some cases superior to, conventional resources. This capability allows for improved grid reliability while putting more renewables on the system.

Access the report and supporting documents here 

Greenhouse Gas Emissions Tracking

The ISO developed a new report to track greenhouse gas emissions from resources in the ISO balancing area, imports serving ISO load - including dynamic imports - and transfers from western Energy Imbalance Market entities serving ISO load. 

Access the report and supporting documents here 

Aliso Canyon Action Plan for Local Energy Reliability for Winter 2016-2017

The California Energy Commission, California Public Utilities Commission, California Independent System Operator, and the Los Angeles Department of Water and Power have jointly published an action plan to manage the power grid during the upcoming winter months to minimize the impacts from the use limitations imposed on the Aliso Canyon natural gas storage facility. The plan calls for extending most of the mitigation steps developed in the summer action plan.

Access the Aliso Canyon winter risk assessment technical report  

Read the Aliso Canyon gas and electric reliability winter action plan  

2015-2016 Transmission Plan

In an effort to improve grid reliability, the California Independent System Operator (ISO) Board of Governors approved the 2015-2016 Transmission Plan, which calls for the construction of 13 projects at a total estimated cost of $288 million.

View the 2015-2016 transmission plan