Western Energy Imbalance Market (WEIM)

CAISO
CAISO, Stakeholders Consider 2 GHG Mechanisms for EDAM

CAISO stakeholders and staff could soon be weighing two options for enabling the EDAM to track GHGs in a way that accommodates the patchwork of different carbon reduction programs across Western states.

West-Wide Governance Pathways Initiative
Pathways Initiative Discloses Funders, Reiterates Goals
The West-Wide Governance Pathways Initiative has secured commitments of financial support from 24 utilities and other electricity-sector organizations and expects that list to grow.
CAISO
DMM: CAISO Transfer Limitations During Q3 Heat Waves Led to Price Disparities
CAISO's Department of Market Monitoring found that limits on WEIM imports last year led to increased transmission congestion in the ISO's markets.
Powerex
Powerex Report Expands NW Cold Snap Debate

A new report from electricity marketer Powerex adds to the expanding debate around what transpired on the Western grid during a January cold snap that saw the Northwest forced to import large volumes of power.

© 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.
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.

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