Western Energy Imbalance Market (WEIM)

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.
© RTO Insider LLC
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.
© RTO Insider LLC 
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.”
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.
UniSource Energy
Critics Call out Ariz. Commission for ‘Troubling’ Precedent
Arizona regulators are under fire for decisions on the expansion of a UNS gas-fired plant and third-party IRP audits.
Idaho Power
FERC Approves EDAM Tx Revenue Recovery Plan
FERC approved CAISO tariff revisions that will allow transmission owners to recover transmission revenue shortfalls attributed to transitioning their assets into the Extended Day-Ahead Market.
TerraPower
Bill Gates’ TerraPower Breaks Ground on Advanced Nuclear Plant
TerraPower broke ground on its Natrium reactor demonstration project in Wyoming, making it the first advanced reactor to enter construction.
NV Energy
NV Energy IRP Describes $1.76B Cost Jump for Greenlink Projects

Rising costs of materials and labor and an increased use of H-frame structures as an environmental mitigation have contributed to a $1.755 billion increase in the projected cost of NV Energy’s Greenlink transmission projects.


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