December 25, 2024

Western Energy Imbalance Market (WEIM)

© RTO Insider
Western Stakeholders Support Continuing EIM Regional Forum
Stakeholders and EIM Governing Body members gathered in Las Vegas to express their support for the CAISO-created Regional Issues Forum.
SMUD Balancing Area Inks Agreement for EIM Membership
The balancing area for the Sacramento Municipal Utilities District signed an agreement allowing SMUD to join the Western EIM in 2019.
WECC
CAISO Gets Breathing Room on EIM Intertie Bidding from FERC
FERC said it will give CAISO more time to address its concerns over intertie bidding at the borders of the Energy Imbalance Market (EIM).
CAISO: Don’t Lean on EIM for Capacity
Participants in the Energy Imbalance Market (EIM) should not rely on it to reduce their capacity requirements, CAISO cautioned.
EIM Benefits up 8% in Q4 with APS, Puget Sound Additions
Members of the Energy Imbalance Market (EIM) saw increased savings and profits with the addition of Puget Sound Energy and APS.
EIM Sees Sharp Increase in Flexible Ramping Test Failures
The Energy Imbalance Market (EIM) experienced a “dramatic uptick” in failed ramping capacity tests in November and December, the CAISO IMM reported.
CAISO Expansion in Question as EIM Grows
CAISO rang in 2016 with a strong push to expand its EIM into PacifiCorp’s sprawling service territory, but the project hit a stumbling block by mid-year.
CAISO Board OKs Metering, EIM Governance
The Western Energy Imbalance Market featured prominently in two proposals approved by the CAISO Board of Governors during its Dec. 15 meeting.
Seattle City Light Signs EIM Membership Agreement
Seattle City Light has signed an agreement with CAISO to begin participating in the Western Energy Imbalance Market in April 2019.
Increased Transfer Capacity Reducing EIM Congestion
Increased transfer capacity is keeping a lid on congestion in the EIM and limiting participants’ ability to wield market power, according to CAISO’s IMM.

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