Stay informed of changes to transmission rates and review billing cycle communications. Rate updates are posted monthly, reflecting any changes from the prior month. Billing cycle notices will be posted when statements are available for download on the portal. Learn which months are being resettled and know what to expect in the current and upcoming billing cycles.
March 2026 Rate Changes
There were no Transmission Rate changes in March of 2026.
March 2026 Billing Cycle
Preliminary transmission (Day 1) monthly settlement files for March 2026 will be posted to the market portal by 8am April 2, 2026. The files end with _D2.txt or _D2.xlsx
Final transmission (Day 1) monthly settlement files for March 2026 will be posted to the market portal by 8am April 7, 2026. The files end with _TS0.txt or _TS0.xlsx
The full schedule of 2026 billing cycle key dates is posted here.
https://cdn.misoenergy.org/2026%20Transmission%20Settlements%20Billing%20Cycle%20Key%20Dates666671.pdf?v=20241212093257
|
YEAR |
TS0 |
TS1 |
TS4 |
TS8 |
TS12 |
R15 |
R16 |
R17 |
|
2026 |
Mar-26 |
Feb-26 |
Nov-25 |
Jul-25 |
Mar-25 |
Dec-24 |
Nov-24 |
Oct-24 |
|
R18 |
R19 |
R20 |
R21 |
R22 |
R23 |
R24 |
R25 |
R26 |
|
Sep-24 |
Aug-24 |
Jul-24 |
Jun-24 |
May-24 |
Apr-24 |
Mar-24 |
Feb-24 |
Jan-24 |
March 2026 Prior Period Adjustments
ROE Resettlement for Rate Year 2024 – EL14-12
· January 1, 2024 - December 31, 2024
· Affects Schedules 7, 8, 9, 26, 26A, 26C, 26E, 37, 38, 42B and 45
· Interest will be applied
· Adjustments will be found on each settlement instance tab
Updated 3/30/2026
April 2026 Prior Period Adjustments
ROE Resettlement for Rate Year 2025 – EL14-12
· January 1, 2025 - December 31, 2025
· Affects Schedules 7, 8, 9, 26, 26A, 26C, 26E, 37, 38, 42B and 45
· Interest will be applied
· Adjustments will be found on each settlement instance tab
Excess Congestion
May 2026 Prior Period Adjustments
ROE Resettlement for Rate Year 2026 – EL14-12
· January 1, 2026 – April 30, 2026
· Affects Schedules 7, 8, 9, 26, 26A, 26C, 26E, 37, 38, 42B and 45
· Interest will be applied
· Adjustments will be found on each settlement instance tab
Disclaimer: Adjustments and timing are subject to change.
Updated 3/30/2026