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June 17, 2024

Western Energy Imbalance Market (WEIM)

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.

West-Wide Governance Pathways Initiative
Pathways Backers Advance WEIM/EDAM Governance Proposal
Backers of the West-Wide Governance Pathways Initiative will move quickly on a proposal to alter the governance of CAISO’s Western EIM and EDAM after voting to approve the plan.
Business Wire
NV Energy Confirms Intent to Join CAISO’s EDAM

NV Energy intends to join CAISO’s Extended Day-Ahead Market, an official with the utility said, notching a major win for the ISO in its competition with SPP’s Markets+ day-ahead offering in the West.

Terra-Gen
CAISO, WEIM Boards Approve Proposal to Raise Offer Cap
CAISO’s Board of Governors and WEIM Governing Body unanimously voted to approve an expedited proposal to increase the ISO’s soft offer cap from $1,000/MWh to $2,000.
WW Clyde
Is NV Energy Leaning to CAISO’s EDAM?
An NV Energy executive provided the strongest public indication yet as to why the utility is poised to choose the ISO's Extended Day-Ahead Market over SPP’s Markets+.
PacifiCorp
FERC Denies PacifiCorp Formula Rate Change
FERC rejected PacifiCorp’s request to include in its Open Access Transmission Tariff the interest it pays when refunding advance payments such as interconnection study deposits.
DOE
Nevada Power Exempted from Market Power Filing Requirement
FERC granted Nevada Power an exemption simplifying the NV Energy subsidiary’s filing of its triennial updated market power analysis.

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