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Transmission Planning

MISO maintains transmission system reliability through rigorous economic, reliability and short- and long-term studies. The studies look at the present and the future, using different scenarios, to anticipate what could happen in various timeframes — anywhere from five to 40 years. Transmission planning efforts include: 

  • Creating futures, or scenarios, of what energy could look like under a wide range of economic, policy and technological conditions 

  • The annual MISO Transmission Expansion Plan (MTEP), which approves transmission-owner submitted projects based on planning criteria 

  • Long-range transmission planning, which proposes new pathways for transmission to move from its point of generation to the consumer 

  • Reliability planning to confirm that the bulk electric system has sufficient supply to serve demand 


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