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December 5, 2025

SPP

The Southwest Power Pool is a regional transmission organization that coordinates the reliability of the transmission system and balances electric supply and demand in all or parts of Arkansas, Colorado, Iowa, Kansas, Louisiana, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas and Wyoming.
© RTO Insider
FERC not in Charge of Modernizing Western Grid, Christie Says

Outgoing FERC Chair Mark Christie and former Colorado Gov. Bill Ritter both emphasized that the West controls the future of the Western interconnection, not Washington.

SPP
Panel Approves SPP Markets+ Phase 2 Governance Transition

The panel of SPP board members overseeing the development of Markets+ has approved the governance transition plan for the construction phase of the day-ahead market. 

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FERC Clarifies Rules for Markets+ ‘Transmission Contributors’ Option

FERC rejected a request by four Western utilities to rehear its approval of the “transmission contributors” option in the SPP Markets+ tariff but provided the utilities clarification on the boundaries of that provision.

Aurora Energy Research
Study Finds PSCo Would Gain More in EDAM than Markets+
The study, conducted by Aurora Energy Research, found EDAM could provide the Denver-based utility $11.2 million more in average annual savings from 2028 to 2040 compared with Markets+, rising to $13.2 million through 2060.
SPP
SPP Readies Participants for Next Phase of Markets+
SPP is preparing participants for the next phase of Markets+ development, when stakeholders will build the day-ahead market's systems, processes and procedures.
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MISO Gen Developers Sour on RTO’s JTIQ Cost Allocation
MISO generation developers pushed back on MISO’s cost allocation of the $1.65 billion Joint Targeted Interconnection Queue, reportedly saying MISO’s late-stage alterations have eroded the value of the seams planning.
Shutterstock
Turlock Irrigation District to Join EDAM in 2027

California-based Turlock Irrigation District has agreed to join CAISO’s Extended Day-Ahead Market in 2027.

NOAA
SPP ‘Confident’ in Meeting Demand this Summer
SPP expects to have a “high probability” of enough generation to meet demand during peak-use hours this summer, despite predictions of higher-than-average temperatures in the RTO’s footprint.
Bonneville Power Administration
BPA Exempted from Federal Staffing Cuts, Hairston Says
BPA will not see further staffing cuts, CEO John Hairston said during the agency’s quarterly business review, adding that he hopes to strengthen the workforce when the government lifts federal hiring freezes.
© RTO Insider 
Debate Lingers After BPA Day-ahead Market Decision
Though BPA removed any uncertainty by selecting SPP’s Markets+ over CAISO’s EDAM, the debate over whether BPA made the right choice likely will heat up as the West confronts a split into two major markets.

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