December 26, 2024

Western Energy Imbalance Market (WEIM)

Isolation, Illiquidity Drove Avista’s EIM Decision
Avista's [NYSE:AVA] Scott Kinney explained the factors that led to the utility's decision to join CAISO's EIM during the market’s Regional Issues Forum.
EIM Governing Body Gains Member, Loses Another
The EIM Governing Body voted unanimously to confirm new member Anita Decker, but Chair Carl Linvill also announced the resignation of member Travis Kavulla.
Customers Probe BPA on EIM Impact
BPA dispelled lingering doubts about its intent to join the Western EIM, but will take time to address stakeholders about how the move will affect them.
CAISO OKs EIM Governance Review
Leaders of CAISO and its EIM established a panel to update the EIM’s governance as the real-time market grows and likely adds day-ahead bidding.
Patchwork of Carbon Policies Troubles Western EIM
A carbon workshop hosted by the EIM underscored how West Coast and Intermountain states can be uneasy partners in CAISO’s real-time market.
BPA Marches Toward EIM Membership
The Bonneville Power Administration (BPA) took another step toward membership in the Western EIM when it kicked off a monthlong public comment process.
SPP’s Western EIS Market Poised to Challenge EIM
SPP has raised the stakes in what could shape up to be a long-term competition to win over the Western electricity market one service at a time.
Turlock Irrigation District to Join Western EIM
CAISO said that Turlock Irrigation District, California’s oldest irrigation district, signed an agreement to join the Energy Imbalance Market in April 2021.
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.
Cold Forces NW to Dip More Deeply into EIM as Avista Joins
Pacific Northwest members reaped an unusually large chunk of the Western EIM's benefits in the first quarter, leaning on it to keep up with demand.

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