Western Energy Imbalance Market (WEIM)
With 16 binding participants and 58 GW worth of load committed, the Western Power Pool’s Western Resource Adequacy Program aims to build on the momentum in 2026 and prepare for more members.
Idaho Power can continue to sell power at market-based rates after it acquired more than 200 MW in resources 2023 and 2024, FERC ruled.
CAISO is proposing a set of tariff changes for submission to FERC early in 2026 to help ease participants into the ISO’s new Extended Day-Ahead Market.
The Western Energy Markets Governing Body approved a set of revisions to CAISO's gas-fired energy generation resource management program after two years of work with stakeholders.
The West-Wide Governance Pathways Initiative’s Launch Committee approved the bylaws and incorporation documents for the organization that will govern CAISO’s energy markets.
CAISO and SPP have made “significant progress” on adapting existing tools to tackle seams between the two entities’ respective day-ahead markets, according to a CAISO representative.
As the Bonneville Power Administration prepares to join Markets+, the agency hopes to complete the initial program governance setup and define its commercial model for market participation in early 2026.
The West-Wide Governance Pathways Initiative could lead the charge on developing an alternative to the Western Resource Adequacy Program that would integrate with CAISO’s Extended Day-Ahead Market, according to co-Chair Pam Sporborg.
FERC granted CAISO's request to remove the sunset date on the Western Energy Imbalance Market Assistance Energy Transfer feature, which has been used by more than 10 of the market’s balancing area authorities in recent years.
A new FERC report adds to the growing body of work showing the complexity of confronting the seams issues likely to arise between the West’s two day-ahead markets when compared with challenges at the borders between RTOs and ISOs in the Eastern U.S.
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