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December 19, 2025

EDAM

Balise42, CC BY-SA-4.0, via Wikimedia Commons
Pathways Inches Closer to Seating RO Board
The West-Wide Governance Pathways Initiative’s Launch Committee said it hopes to seat a permanent board by either next year or 2027 for the regional organization that will govern energy markets in the West.
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WEIM Experience, Reliability Benefit Drove EDAM Decision, BANC Says
For the Balancing Authority of Northern California, a positive experience with CAISO’s Western Energy Imbalance Market was a key factor in the decision to also join the ISO’s Extended Day-Ahead Market.
CAISO
Fast-paced Effort will Address EDAM Congestion Revenue Issue
CAISO launched an “expedited” initiative to address stakeholder concerns about how EDAM will allocate congestion revenues when a transmission constraint in one balancing authority area causes congestion in a neighboring BAA.
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Pathways Initiative Receives Praise, Skepticism at Calif. Hearing
California senators heard arguments for and against the West-Wide Governance Pathways Initiative, with some lawmakers voicing concerns about guardrails against market manipulation and what the effort means for the state's autonomy to set its own policies.
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BPA Selects SPP Markets+ in Draft Policy
The Bonneville Power Administration announced it intends to join SPP’s Markets+, saying in its draft policy that the day-ahead market “is the best long-term strategic direction for Bonneville, its customers and the Northwest.”
Camano Island Chamber of Commerce
7th ‘Issue Alert’ Highlights Markets+ Footprint
Proponents of SPP’s Markets+ argued in their last “issue alert” that the day-ahead market option provides a robust footprint with “exceptional generation and load diversity” across the region while also claiming recent warnings about its seam with CAISO’s EDAM are overblown.
Seattle City Light
Seattle City Light, Others Urge BPA to Pause Day-ahead Decision
The Bonneville Power Administration should remain in CAISO’s WEIM and hold off on joining a day-ahead market, Seattle City Light and other Northwest parties urged in a letter sent to BPA CEO John Hairston.
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Feds Pause $1M Pathways Initiative Funding, Group Leader Says
The federal government has put on hold nearly $1 million in funding toward the development of a new independent Western RO to oversee CAISO’s WEIM and EDAM, the West-Wide Governance Pathways Initiative’s Launch Committee said.
Pacific Gas and Electric
FERC OKs CAISO Implementation of EDAM Access Charge Rules
Josh Becker for California
Pathways ‘Step 2’ Bill Introduced in Calif. Legislature
California state lawmakers introduced a much-anticipated bill to implement “Step 2” of the West-Wide Governance Pathways Initiative, marking a significant step toward the creation of a new independent “regional organization” to oversee governance of CAISO’s markets.

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