December 24, 2024

Western Energy Imbalance Market (WEIM)

PacifiCorp, NV Energy Gain EIM Market-Based Rate Authority
PacifiCorp and NV Energy can sell power into the Western Energy Imbalance Market (EIM) at market-based rates, FERC has ruled.
CAISO Proposes EIM Governance Changes
CAISO has proposed to change the selection process for members of the Western Energy Imbalance Market (EIM) Governing Body to rely less on outside firms.
Storage Integration a Complex Process, Western Panel Says
Energy storage can provide many benefits to the Western electricity grid, but it will require complex and costly modeling to be integrated properly.
© RTO Insider
Panelists: CPP Demise to Have Limited Impact in West
The fate of the West’s coal-fired power was already sealed prior to the EPA announcement that it will seek to repeal the Clean Power Plan (CPP).
© RTO Insider
EIM Affecting Western Transmission, Resource Planning
The CAISO-run Western EIM has increased the operational flexibility of the region’s utilities, panelists said at the Infocast Transmission Summit West.
© RTO Insider
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.
© RTO Insider
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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