CAISO/WEIM

CAISO Board of Governors California Agencies & Legislature California Air Resources Board (CARB)California Energy Commission (CEC)California Legislature California Public Utilities Commission (CPUC)EDAM Other CAISO Committees Western Energy Imbalance Market (WEIM)WEIM Governing Body

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

Nov 20, 2024CAISO/WEIMAyla Burnett

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

Nov 19, 2024CAISO/WEIMRobert Mullin

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.”

BPA: Funding Markets+ Phase 2 Preserves Choice

Nov 17, 2024CAISO/WEIMTom Kleckner

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

Nov 17, 2024CAISO/WEIMHenrik Nilsson

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

Nov 17, 2024CAISO/WEIMElaine Goodman

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

Citizens Energy

CAISO Board Approves Nonprofit PTO, Tx Plan Changes

Nov 13, 2024CAISO/WEIMElaine Goodman

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

Nov 12, 2024CAISO/WEIMRobert Mullin

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

Nov 11, 2024CAISO/WEIMElaine Goodman

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+.

Proposal to Refine Bid Cost Recovery for Storage Passes Unanimously

Nov 11, 2024CAISO/WEIMAyla Burnett

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.

NW Energy Coalition

CAISO, WEM Boards Approve Pathways ‘Step 1’ Tariff Amendments

Nov 11, 2024CAISO/WEIMAyla Burnett

CAISO’s Board of Governors and WEM Governing Body approved ISO tariff amendments needed to implement the West-Wide Governance Pathways Initiative’s “Step 1” proposal.

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