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September 30, 2024

Western Energy Imbalance Market (WEIM)

Tucson Electric Power Signs up for Western EIM
The Western Energy Imbalance Market chalked up another future member after Tucson Electric Power signed an agreement saying it will join in April 2022.
PG&E Departure Leaves EIM Vacancy
The CAISO Energy Imbalance Market's Governing Body will search for a candidate to replace Kristine Schmidt after she resigned earlier this month.
SMUD Goes Live in Western EIM
The Western Energy Imbalance Market continued expanding as the Sacramento Municipal Utility District became the first publicly-owned utility to begin participating in CAISO’s real-time electricity market for the West.
PNM’s Bid to Join Western EIM Gets Approved in Part
The New Mexico PRC granted two approvals PNM requested to join CAISO’s Western Energy Imbalance Market, but denied one concession the utility deemed key.
New Mexico Moves Toward Clean Energy, EIM Participation
New Mexico’s largest utility is still hoping to join the Western EIM, with the move taking on added significance requiring 100% carbon-free electricity.
State Regulators to Re-examine PNM’s EIM Membership
New Mexico’s PUC vacated an order that had paved the way for the PSC of New Mexico to join CAISO’s Western Energy Imbalance Market by the spring of 2021.
Overheard at the NARUC Winter Policy Summit
Policymakers and industry officials gathered for NARUC Winter Policy Summit, where they discussed coal and nuclear power, among other topics.
FERC OKs Salt River Project Agreement to Join EIM
FERC approved an agreement between CAISO and the Salt River Project that establishes the rules governing the utility’s participation in the Western EIM.
Western EIM Looks to Expand its Authority
The Western Energy Imbalance Market (EIM) Governing Body heard proposals regarding its existing real-time market and an expanded day-ahead market.
CAISO
RC Transition, California Wildfires Will Occupy 2019
CAISO will tackle its new role as reliability coordinator in 2019, and California lawmakers will struggle with preventing wildfires sparked by power lines.

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