CAISO/WEIM

The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
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Bill to Streamline Transmission Development Advances in Calif. Senate
California lawmakers have advanced a bill aimed at streamlining approval of transmission projects, but not before substantially stripping down the legislation.
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FERC Must Apply ‘Mobile-Sierra’ to Western Soft Cap Refunds, Court Finds
The D.C. Circuit directed FERC to review a series of 2022 orders requiring wholesale electricity sellers in the West to refund a portion of the high prices they earned during an August 2020 heat wave.
Grid United
Study: Significant Benefits for Merchant Tx Line
High-voltage transmission developer Grid United says its proposed North Plains Connector would provide significant reliability capacity benefits to interregional transmission, according to a study.
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Portland General Electric Formalizes EDAM Commitment
Portland General Electric became the second entity in the Western U.S. after PacifiCorp to sign an implementation agreement for the Extended Day-Ahead Market.
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Busy Summer Ahead for Pathways Initiative
Participants in the West-Wide Governance Pathways Initiative face a busy meeting schedule this summer as the group’s leaders look to advance on parallel fronts to develop a Western “regional organization.”
Saavi Energía
FERC Rules for CAISO on Capacity Deliverability Rights Complaint
FERC denied a complaint by energy conglomerate Saavi alleging CAISO unlawfully terminated the full capacity deliverability rights for its gas-fired generating unit in Mexico that previously was interconnected with the ISO’s grid.
Western Power Trading Forum
Stakeholders Call on CAISO to Take Larger Role in Reliability Planning
Moonwater Capital
PUCN Sets Framework for NV Energy’s EDAM Participation
As NV Energy moves forward with plans to join CAISO’s Extended Day-Ahead Market, Nevada regulators have laid out a framework for how the company can seek approval for EDAM participation.
Renewable Northwest
Group Claims Powerex Backing Markets+ to Benefit from Divided West
A new study commissioned by Renewable Northwest says Powerex is poised to benefit if the West ends up divided between CAISO’s EDAM and SPP’s Markets+.
CAISO
CAISO Kicks off Stakeholder Process for Pathways Initiative
CAISO kicked off the West-Wide Governance Pathways Initiative stakeholder process required to shift the ISO’s governance structure to an independent entity within the Extended Day-Ahead Market.

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