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The Western Energy Imbalance Market (EIM)

The EIM is a real-time energy-only market offered by the ISO to any balancing authority area in the western United States. It provides a low-cost, low-risk option that balances load and resources automatically and economically.


Exploring regional solutions

The California ISO is pursuing strategies to move more renewable energy onto the electric system. The ISO is advancing a suite of solutions to unlock the power of emerging technology and innovation, designed to usher in the green grid of the future.