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December 5, 2025

MISO Transmission Expansion Plan (MTEP)

MISO Planning Subcommittee Briefs: Dec. 1, 2020
The MISO Planning Subcommittee urged members to prepare for its new Model Manager and reported nearly 900 active transmission projects.
MISO Rules out Special MTEP 21 Studies
MISO is sticking with its usual slate of transmission planning studies for 2021, opting not to include specially targeted analyses in MTEP 21
MTEP 20 Passes 1st Board Endorsement
A MISO board committee unanimously voted to send the $4 billion MTEP 2020 to the full board for a vote in December.
MISO Winds down MTEP 20 Planning, Focuses on 2021
MISO is wrapping up its 2020 Transmission Expansion Plan and eyeing next year’s planning cycle, with more renewable energy predictions.
© RTO Insider
MISO Outlines Early Long-term Tx Plan Details
MISO released details on its long-term transmission plan, intended to adapt its grid to a rapidly evolving generation portfolio.
MISO Planning Advisory Comm. Briefs: Sept. 23, 2020
MISO members have recommended that the RTO’s 2020 Transmission Expansion Plan proceed to final approval in December.
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.
MISO in Final Stretch of $4B MTEP 20
MISO is putting the final touches on its most expensive annual transmission investment package after a final round of planning meetings.
MISO Processing Heftiest Interconnection Queue Ever
MISO is juggling several transmission planning activities as it faces a cascade of new gigawatts in its interconnection queue.
FERC Greenlights MISO Storage-as-Tx Proposal
MISO’s first rule set for storage resources functioning as transmission assets passed muster with FERC, though James Danly opposed the plan.

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