This initiative will develop an approach to extend participation in the day-ahead market to the Western Energy Imbalance Market (WEIM) entities in a framework similar to the existing WEIM approach for the real-time market, rather than requiring full integration into the California ISO balancing area. The extended day-ahead market (EDAM) will improve market efficiency by integrating renewable resources using day-ahead unit commitment and scheduling across a larger area.
Proposal Development | Decision | Implementation | Completed/Closed |
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Dec 07, 2022 Final proposal posted
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Feb 01, 2023 ISO Board of Governors and WEIM Governing Body joint approval
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Fall 2024
Implementation milestones
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