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.
May 2026 Rate Changes
Rate changes were processed for the following item:
Schedules 7, 8 & 9:
· Rate Update of Annual Transmission Revenue Requirement (ATRR) for select number of forward-looking Transmission Owners to incorporate their 2024 True-Up adjustment at the correct ROE.
· TOs include: ATC, ITC, ITCM, MMU, METC, NIPS, GRE
· The MISO average rate decreased by -0.003%.
Schedules 26, 37 & 38:
· Rate Update of Annual Transmission Revenue Requirement (ATRR) for select number of forward-looking Transmission Owners to incorporate their 2024 True-Up adjustment at the correct ROE.
· TOs include: ATC, ITC, ITCM, METC, NIPS, GRE
· The MISO average rate increased by 0.01%.
Schedule 26A:
· Rate Update of Annual Transmission Revenue Requirement (ATRR) for select number of forward-looking Transmission Owners to incorporate their 2024 True-Up adjustment at the correct ROE. (
· TOs include: ATC, ITC, ITCM, METC, NIPS, GRE
· The overall Revenue Requirement decreased by -0.07%
Schedule 26C:
· Rate Update of Annual Transmission Revenue Requirement (ATRR) for select number of forward-looking Transmission Owners to incorporate their 2024 True-Up adjustment at the correct ROE.
· TOs include: NIPS
· The overall Revenue Requirement decreased by -0.28%
Schedule 26E:
· Rate Update of Annual Transmission Revenue Requirement (ATRR) for select number of forward-looking Transmission Owners to incorporate their 2024 True-Up adjustment at the correct ROE.
· TOs include: NIPS
· The overall Revenue Requirement decreased by -0.21%
Effective May 1, 2026
April 2026 Billing Cycle
Preliminary transmission (Day 1) monthly settlement files for April 2026 will be posted to the market portal by 8am May 4, 2026. The files end with _D2.txt or _D2.xlsx
Final transmission (Day 1) monthly settlement files for April 2026 will be posted to the market portal by 8am May 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 |
R5 |
R6 |
R7 |
TS8 |
|
2026 |
Apr-26 |
Mar-26 |
Dec-25 |
Nov-25 |
Oct-25 |
Sep-25 |
Aug-25 |
|
R9 |
R10 |
R11 |
TS12 |
R13 |
R14 |
R15 |
|
Jul-25 |
Jun-25 |
May-25 |
Apr-25 |
Mar-25 |
Feb-25 |
Jan-25 |
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 and 45
· Interest will be applied
· Adjustments will be found on each settlement instance tab
Excess Congestion
ROE Interest Adjustment for Rate Years 2020 - 2023
· Revise interest for October 1, 2020 – December 31, 2023
· Affects interest for Schedules 7 and 8
· Adjustments will be found on the Pass Through tab
Updated 4/28/2026
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 and 38
· Interest will be applied
· Adjustments will be found on each settlement instance tab
Disclaimer: Adjustments and timing are subject to change.
Updated 4/28/2026