February 24, 2025

CAISO Extended Day-Ahead Market (EDAM)

CAISO
FERC Approves Most of CAISO’s Rule Changes for EDAM Participation
FERC issued an order partly approving rule changes CAISO filed to its tariff that are meant to enable its participation in the Extended Day Ahead Market once it goes live.
© RTO Insider LLC
NW Freeze Response Shows WEIM Value, CAISO Report Says
The 80-page report represents the latest volley in an ongoing skirmish among Western electricity sector stakeholders over what exactly occurred on the regional grid during the Jan. 12-16 deep freeze.
WAPA
WAPA DSW Cites Lack of Benefits in Markets+ Withdrawal
WAPA's Desert Southwest Region pulled out of the second phase of developing SPP's Western day-ahead market after determining it would see few benefits from participating in either Markets+ or EDAM.
DOE
RTO, Day-ahead Choice Closely Linked, Nev. Effort Shows
NV Energy is aiming to bring a proposal to Nevada regulators by the end of the year for joining a day-ahead market, but what process regulators will use to evaluate that request is still very much up in the air.
Brattle Group
NV Energy to Reap More from EDAM than Markets+, Report Shows

NV Energy would gain significantly more economic benefits from participating in CAISO’s EDAM than SPP’s Markets+, new analysis from the Brattle Group shows.

© RTO Insider LLC
Nev. Regulators to Weigh Approaches to RTO Membership

NV Energy and several stakeholder groups have weighed in on how Nevada regulators should evaluate a request from the utility to join a day-ahead market or RTO.

© RTO Insider LLC
NW Cold Snap Dispute Reflects Divisions over Western Markets

A dispute around the January cold snap that forced Northwest utilities to sharply increase electricity imports to meet surging demand has become a proxy for the broader day-ahead market contest between CAISO and SPP.

© RTO Insider LLC
Northwest Public Power Group Endorses Markets+ over EDAM
The Public Power Council has asked the Bonneville Power Administration to choose SPP’s Markets+ when the agency issues its day-ahead market “leaning” in April.
© RTO Insider LLC
Western RTO Effort Makes Gains on Funding, Legal Analysis
The West-Wide Governance Pathways Initiative is advancing on its $570,000 funding target. And its members also are wading deeper into one of the key subjects it was conceived to address: CAISO's governance.
LADWP
LADWP Poised to Join CAISO Day-ahead Market After Board OK

CAISO notched another victory in the competition to bring organized markets to the West when the Los Angeles Department of Water and Power’s oversight board authorized the utility to prepare to join EDAM.


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