Western Energy Imbalance Market (WEIM)
The Western Energy Imbalance Market topped $4 billion in cumulative benefits in the second quarter of 2023, just six months after it topped the $3 billion mark.
Utility regulators from Oregon and California discussed their proposal for a new independent RTO covering the entire West for the first time publicly.
CAISO’s Western Energy Imbalance Market took the unusual step of rescinding a rule change that it never actually implemented.
The competition for organized markets in the West grew Friday as the Bonneville Power Administration launched a process to choose between day-ahead markets proposed by CAISO and SPP and regulators from five Western states urged the establishment of a new, independent RTO covering the entire West.
The Western Energy Imbalance Market Governing Body appointed new member Rebecca Wagner and elected a new chair and vice chair from among its members.
CAISO’s Western Energy Imbalance Market yielded members $418.82 million in economic benefits during the first three months of 2023, a first-quarter record.
FERC approved changes to WEIM's resource sufficiency evaluation, including allowing transfers to members that fail to meet their RSE obligations.
Changes meant to improve the performance of CAISO’s day-ahead market and the planned day-ahead expansion of its Western Energy Imbalance Market won board approval.
California Assemblymember Chris Holden said he will hold a bill that could eventually turn CAISO into an RTO while he tries to overcome opposition.
Three new entities joined CAISO's Western Energy Imbalance Market, including El Paso Electric, which expanded the market into Texas for the first time.
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