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December 21, 2025

Southwest Power Pool (SPP)

Regional State Committee Keeps MISO Liaison Committee Alive
SPP regulators agreed to keep up their collaboration with MISO regulators, saying the effort is pressuring the RTOs to resolve their seams issues.
UPDATED: Stakeholders Approve WEIS Market Launch
Stakeholders in SPP’s Western Imbalance Service market unanimously approved its Feb. 1 launch, the last major milestone in a project that began in 2019.
SPP Adds Decarbonization Future to 20-year Study
SPP staff and stakeholders have added an accelerated decarbonization future to the RTO’s 20-year long-term assessment.
SPP Taps FERC Staffer for Policy Position
SPP has hired former FERC senior staffer Leonard Tao to serve as its first director of FERC policy.
SPP Stakeholders Facing Time Crunch
SPP is attempting to balance staff and stakeholder time spent on analysis and studies with the need to adapt to a changing business environment.
SPP MOPC Briefs: Jan. 11-12, 2021
SPP staff unveiled a proposed mitigation plan to reduce the four-year backlog in the RTO’s generation interconnection queue.
Western RA Effort Could Wrest Some Control from States
A recent report concluded that a Western resource adequacy program could require state regulators & utilities to relinquish some control over IRP processes.
MISO Pledges Work on Affected System Studies
MISO said it will approach SPP about improving the processes underpinning affected system studies in response to stakeholders’ persistent calls for change.
SPP Wind Output Rises to Record 19.9 GW
It took all of two weeks into the new year before SPP set new peak records for wind and renewable energy output.
MISO, SPP Regulators Call for Pancaking Fix, Smaller Projects
SPP and MISO regulators would like to see the RTOs improve seams relations by resolving rate pancaking and adding a smaller interregional project category.

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