September 28, 2024

Western Energy Imbalance Market (WEIM)

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.
© RTO Insider LLC
Seams Concerns Won’t Drive Day-ahead Market Decision, BPA Says
BPA’s choice of a day-ahead market will not be driven by concerns about the impact of the seams that would divide the two markets proposed for the West, an agency official made clear.
CAISO
WEIM Q1 Benefits Report Adds to NW Cold Snap Debate
CAISO’s first-quarter benefits report offers another footnote to the debate over the market’s role in the response to the January deep freeze that brought parts of the Northwest to the brink of rolling blackouts.
PacifiCorp
SPP Markets+ Tariff Sparks Concerns for PacifiCorp, NV Energy
Although PacifiCorp formally committed to joining CAISO’s Extended Day-Ahead Market, the utility is still voicing concerns about a competing day-ahead market, SPP’s Markets+, in a FERC filing. 
PacifiCorp
PacifiCorp Fully Commits to CAISO’s EDAM

PacifiCorp said it will sign an implementation agreement to join CAISO’s EDAM, making it the first entity to formally commit to either of the two day-ahead markets being offered in the West.


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