March 13, 2025

Midcontinent Independent System Operator (MISO)

SPP Seams Steering Committee: Sept. 17, 2020
SPP and MISO staff shared with the SPP Seams Steering Committee additional details on the yearlong transmission study the RTOs will soon pursue.
MISO Readying Intensive Transmission Planning
Two recently announced special transmission planning efforts could have MISO members soon stringing miles of new wires across the footprint.
FERC: No MISO Rules on Mid-queue Fuel Change Studies
FERC said MISO’s Tariff was silent on the issue of whether a generation project can switch from wind to solar while in the RTO’s interconnection queue.
FERC Upholds MISO Self-fund Order, Glick Dissents
FERC left MISO transmission owners’ ability to self-fund network upgrades intact over a protest from AWEA and the dissent of Commissioner Richard Glick.
MISO Members Urge Dynamic Line Ratings
MISO members are urging the RTO to implement dynamic line ratings, saying the benefits would outweigh the costs.
MISO Looks Back on Turbulent Summer
With a challenging summer in the rearview, MISO expects more traditional reliability risks this fall while making blueprints for an industry roiled by change.
MISO to Finish 2020 Under Budget, Courtesy Pandemic
The pandemic continues to clamp down on MISO’s spending, with the RTO again predicting to be millions under budget by the end of the year.
MISO IMM Rebuts Uneconomic Coal Commitment Studies
Uneconomic self-commitments of coal resources in MISO’s footprint are not occurring at the clip that critics imagine, the RTO’s Monitor said.
MISO, SPP Respond to Monitors’ Seams Studies
MISO’s and SPP’s state regulators gave the RTOs’ staffs an opportunity to respond to their monitors’ suggestions for improving interregional coordination.
MISO, SPP to Conduct Targeted Transmission Study
MISO and SPP announced a yearlong transmission study to identify projects with “comprehensive, cost-effective and efficient upgrades.”

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