GO15 member and American power grid operator Midcontinent ISO’s 2026 draft Transmission Expansion Plan (MTEP 26) totals $8.8 billion, with $3.1 billion directly addressing rapid load growth, especially in the Midwest.
The plan focuses on:
- Age/condition and local reliability and needs ($5.9 billion, including $3 billion for large load interconnections)
- Baseline reliability projects ($1.8 billion)
- Expedited projects ($1.3 billion)
The plan will be finalized and presented to the MISO Board for approval in December 2026, following further stakeholder meetings.