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April 3, 2026

The Brattle Group

Brattle Group
Study Finds Considerable ‘Grid Flexibility’ Potential in New York
A Brattle Group study found that New York could achieve 8.5 GW in “grid flexibility” measures by 2040, saving consumers more than $2 billion a year.
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Pathways ‘Step 2’ Bill Sets Conditions for EDAM Governance
The language for the proposed bill to implement “Step 2” of the West-Wide Governance Pathways Initiative stipulates the conditions under which CAISO and California utilities can participate in energy markets governed by an independent regional organization.
Powerex
Powerex Paper Sparks Dispute over EDAM ‘Design Flaw’
The new paper from Powerex is likely to reignite the debate between supporters of CAISO’s Extended Day-Ahead Market and SPP’s Markets+ just as the competition between the two markets approach critical junctures.
The Brattle Group
Brattle Study Shows Big Benefits for California in ‘Expanded’ EDAM
California ratepayers would save millions more in a CAISO Extended Day-Ahead Market encompassing nearly all the West than in one that includes only those utilities likely to join the market, according to a new Brattle Group study.
Shutterstock
El Paso Electric to Join SPP’s Markets+ in 2028
El Paso Electric says it will join SPP’s regional day-ahead Markets+ service offering in a “strategic move … tailored” to meet expected customer load growth and evolving needs.
Bonneville Power Administration
BPA Touts Markets+ in Response to Seattle City Light Opposition
The Bonneville Power Administration continued to argue that SPP’s Markets+ is preferable to CAISO’s EDAM, stating in a letter to Seattle City Light that potential benefits of a single West-wide market footprint must be viewed with “significant skepticism."
 © RTO Insider LLC
BPA Has not Made ‘Business Case’ for Markets+, NW Senators Say
The four U.S. senators representing Oregon and Washington contend BPA has failed to make a financial case for joining Markets+, a condition they say should be the key driver of the agency’s decision to participate in a Western day-ahead market.
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‘Holistic’ Approach Needed for Tx Planning, NARUC Panelists Say
To ensure a cost-effective energy transition, stakeholders must approach transmission planning holistically and avoid piecemeal investments, panelists argued during the NARUC Annual Meeting.
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+.

© RTO Insider LLC 
Customer Benefits Must Drive Market Decisions, NM Commissioner Says
Utilities should put customer benefits first when deciding on which Western day-ahead electricity market to join, New Mexico Commissioner Gabriel Aguilera said.

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