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December 17, 2025

RTO Insider

Invenergy
Enviros Challenge MISO, SPP Queue Express Lanes
Environmental groups are further pressing their opposition to MISO's and SPP’s fast-track studies for primarily fossil fuel projects, challenging both at the D.C. Circuit in a pair of lawsuits.
MISO
$12B MISO 2025 Tx Portfolio Close to Final Approval
A MISO board committee advanced 432 projects from transmission owners at a cost of almost $12.3 billion under the RTO’s 2025 Transmission Expansion Plan.
Alcoa
FERC Gives Go-ahead on Tougher MISO DR Testing Rules
FERC greenlit MISO’s plan to require its demand response to make real-world demand reductions to fulfill the RTO’s testing requirements.
Consumers Energy
DOE Issues 3rd Emergency Order to Keep Michigan Coal Plant Open
The U.S. Department of Energy has reupped a coal-fired power plant in Michigan for another 90-day operations period, preventing its planned retirement for a third time.
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FERC Greenlights LS Power to Sell CPower, 12.9 GW to NRG

FERC approved LS Power’s deal to sell 12.9 GW of its gas generation in PJM, NYISO and ISO-NE, as well as its 6-GW demand response business, CPower, to NRG Energy for $12 billion.

NERC
NERC Winter Reliability Assessment Finds Many Regions Facing Elevated Risk
Rising electricity demand is adding to seasonal reliability risks this winter as supply has not kept pace with consumption in many regions, NERC reported in its Winter Reliability Assessment.
AdminMonitor
ERCOT: New Ancillary Service Key to Resource Adequacy
ERCOT staff told Texas regulators they plan to file two urgent protocol changes with the Board of Directors in their latest push to design a new ancillary service that further strengthens the grid’s resource adequacy.
IESO
Citing Geopolitical Uncertainty, IESO Lowers Long-term Demand Forecast Slightly
The reference scenario in IESO’s 2026 Annual Planning Outlook indicates net annual energy demand growth of 65% by 2050, from just over 150 TWh in recent years to 250 TWh.
PacifiCorp
PacifiCorp Staffs Up Ahead of EDAM Launch
PacifiCorp is hiring additional employees to prepare for CAISO’s Extended Day-Ahead Market next year, with staff expecting the launch will bring a few “scratches and bruises.”
DOE
DOE Announces $1B Loan for Constellation’s Crane Energy Center
DOE awarded Constellation a $1 billion loan for its Crane Clean Energy Center project, which will cut financing costs for the nuclear unit restart.

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