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March 9, 2026

Western Energy Imbalance Market (WEIM)

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CAISO Issues 1st Report Under Independent Governance Law
CAISO released its first mandatory report under the California assembly bill that paves the way for an independent regional organization to assume responsibility over the ISO’s energy markets.
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Pathways’ ROWE Incorporated in Delaware, Board Search Underway
Delaware approved the certificate of incorporation for the ROWE, and an executive search firm has been hired to vet candidates for the organization’s initial board, the Pathways Initiative’s Launch Committee announced.
Black Hills Energy
Black Hills Completes $350M Tx Project as New BA Prepares to Join CAISO’s WEIM

Black Hills Energy completed construction on a 260-mile, $350 million transmission expansion project that will interconnect electric systems in Wyoming and South Dakota, while expanding the footprint of CAISO’s Western Energy Imbalance Market.

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WRAP Builds Momentum, Faces Challenges Heading into 2026
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.
IMCO
Idaho Power Can Retain Market-based Rate Authority, FERC Rules
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.
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CAISO Readies EDAM Tariff Changes as New Market Nears Opening
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.
CAISO
WEM Board OKs Gas Management Changes to Provide ‘Equitable Access’ to Markets
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.
West-Wide Governance Pathways Initiative
Pathways Takes Key Step Toward Establishing ROWE
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.
Quanta Infrastructure Solutions Group
CAISO, SPP Explore Using Existing Tools to Manage DAM Seams
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.
U.S. Army Corps of Engineers
BPA Outlines Next Steps in Markets+ Implementation
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.

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