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December 22, 2024

CAISO/WEIM

The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
CAISO
CAISO Kicks off ‘Workshop’ to Update RA Mechanisms
CAISO's Resource Adequacy Modeling and Design "workshop" is designed to reevaluate and refine several mechanisms the ISO uses to ensure resource adequacy.
Markets+ Joint Authors using CAISO data
Markets+ ‘Alert’ Covers CAISO’s Dual Roles as Market Operator, BA

CAISO will be inherently compromised in its role as an operator of a deeper Western market because of its conflicting responsibilities as BA within that market, a group of entities that support SPP’s Markets+ argue in their latest “issue alert.”

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BPA: Funding Markets+ Phase 2 Preserves Choice
The Bonneville Power Administration says following through on its $25 million funding commitment to the development of SPP's Markets+ is simply a matter of preserving choice.
City of Seattle
Markets+ Leaning ‘Alarming,’ Seattle City Light Tells BPA
BPA’s insistence on favoring joining SPP’s Markets+ over CAISO’s Extended Day Ahead Market is “alarming” and could lead to $221 million in economic advantages going up in smoke, Seattle City Light argued.
CAISO
CAISO Launches Initiative to Examine CRR Issues

CAISO has launched an initiative to improve its congestion revenue rights market by addressing issues such as revenue inadequacy and auction efficiency.

West-Wide Governance Pathways Initiative
Pathways Initiative Issues Final ‘Step 2’ Proposal
The Pathways Step 2 proposal offers a blueprint for divvying up functions between CAISO and the RO that backers envision will provide an independent framework for governing the ISO’s Western markets.
Citizens Energy
CAISO Board Approves Nonprofit PTO, Tx Plan Changes

A nonprofit that wants to invest up to $1 billion into PG&E's transmission system received approval to join CAISO as a participating transmission owner.

Grant County PUD
Public Utilities Urge DOE to Respect BPA’s Day-ahead Decision Process
BPA should be allowed to decide on a day-ahead market without outside federal interference, a group of Northwest publicly owned utilities that favor SPP’s Markets+ told DOE in a letter.
PNM Resources
PNM Picks CAISO’s EDAM

The New Mexico utility announced its intention to join CAISO’s Extended Day-Ahead Market, extending EDAM’s reach farther into the Desert Southwest in its latest victory over SPP’s Markets+.

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Proposal to Refine Bid Cost Recovery for Storage Passes Unanimously

CAISO’s Board of Governors and the Western Energy Markets Governing Body voted unanimously to pass a proposal that will modify the calculation used to determine bid cost recovery payments for storage resources.


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