November 5, 2024

Western Energy Imbalance Market (WEIM)

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FERC Suspends PG&E Rate Ask, Approves Portland MBRA
FERC issued CAISO-related rulings on PG&E, Portland General Electric and Aliso Canyon.
Monitor: CAISO Q2 Prices Hit Record Despite Mitigation
California’s scorching heat pushed CAISO day-ahead energy prices to record highs in the second quarter after market mitigation measures unexpectedly failed.
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CAISO Drops Proposed EIM Changes
CAISO is dropping a handful of proposed enhancements to the EIM less than two months before the board is slated to review a broader package.
FERC Approves Powerex EIM Agreement
FERC approved CAISO’s agreement for integrating Canadian power marketer Powerex into the EIM.
EIM Body Approves Generator Loss Modeling Plan
The EIM Governing Body approved a CAISO proposal allowing market participants to take part in a program that models generator outages.
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EIM Participants Seek Resource Test Tweaks
EIM market participants voiced concerns about fluctuating load forecasts that make it harder to pass resource sufficiency tests.
Berkshire Companies Request EIM Rate Authority
Berkshire Hathaway Energy subsidiaries PacifiCorp and NV Energy asked FERC to lift bidding restrictions placed on them in the EIM.
CAISO Monitor Says Bid Rule Changes Flawed
CAISO's Monitor submitted comments on the ISO’s straw proposal for its Commitment Cost and Default Energy Bid Enhancements (CCDEBE) initiative.
EIM Members Wary of Need for CAISO Wheeling Charge
The CAISO proposal to provide transmission revenue to balancing authority areas that wheel power received a wary response from EIM stakeholders.
Wary FERC Approval for Powerex EIM Agreement
FERC staff have accepted CAISO’s implementation agreement for Powerex to join the EIM but cautioned that the arrangement could be subject to further scrutiny.

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