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.
Rate changes were processed for the following items:
Schedule 1:
· Updated Schedule 1 expense amounts, including 2023 True-Ups. Updated divisors from the Attachment Os.
· The MISO average rate increased by 10.01%
Schedules 7, 8 & 9:
· Annual Rate Update for forward-looking TOs, including the 2023 True-ups, updated divisors from the Attachment Os.
· The MISO Schedule 7, 8 and 9 rate increased by 3.73%.
Schedules 26, 37 & 38:
· Updated Attachment GG revenue requirements for forward-looking TOs, including 2023 True-Ups. Updated divisors from the Attachment Os. This is also year 12 of a 13-year phase-in of the Entergy-only RTOR average rate being charged on transactions exiting the MISO South system.
· The MISO average rate increased by 0.37%.
Schedules 26-A & 39:
· Annual update for forward-looking Transmission Owners, including 2023 True ups.
· The overall Revenue Requirement increased by 5.62%.
Schedules 26-C:
· Cost recovery for TMEPs (Targeted Market Efficiency Projects) to reflect updates from MISO, including 2023 True-ups.
· The overall Revenue Requirement increased by 1.41%.
Schedules 26-D:
· Cost recovery for TMEPs (Targeted Market Efficiency Projects) to reflect updates provided from PJM. MISO is required to incorporate their ATRR in the Sch. 26D Rate calc.
· The overall Revenue Requirement Increased by 77.10%.
Schedules 26-E:
· Cost recovery for IMEPs (Interregional Market Efficiency Projects) to reflects updates for NIPSCO, including 2023 True-ups.
· The overall Revenue Requirement Increased by 2.22%.
Schedule 33:
· Updated the divisors for the forward-looking Transmission Owners as part of the January Rate Update.
· The MISO system average rate decreased by 0.35%.
Schedule 42-B:
· Annual update for forward-looking transmission owners, including 2023 True-ups. Updated divisors from the Attachment O’s.
· MISO rate decreased by 0.13%
Schedule 45:
· Annual update for forward-looking transmission owners, including 2023 True-ups. Updated divisors from the Attachment O’s.
· MISO rate increased by 12.88%
These changes are effective January 1, 2025
December 2024 Billing Cycle
Preliminary transmission (Day 1) monthly settlement files for December 2024 will be posted to the market portal by 8am January 3, 2025. The files end with _D2.txt or _D2.xlsx
Final transmission (Day 1) monthly settlement files for December 2024 will be posted to the market portal by 8am January 8, 2025. The files end with _TS0.txt or _TS0.xlsx
The full schedule of 2025 billing cycle key dates is posted here.
https://cdn.misoenergy.org/2025%20Transmission%20Settlements%20Billing%20Cycle%20Key%20Dates666671.pdf?v=20241212093257
YEAR |
TS0 |
TS1 |
TS4 |
TS8 |
TS12 |
2024 |
Dec-24 |
Nov-24 |
Aug-24 |
Apr-24 |
Dec-23 |
December 2024 Prior Period Adjustments
· No prior period adjustments.
Updated 12/27/2024
January 2025 Prior Period Adjustments
ROE Resettlement for Rate Year 2024 – EL14-12, EL15-45
· January 1, 2024 - October 17, 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
· Affects Schedules 7, 8, 9, 26, 26A, 26C,26E, 37, 38,42B and 45
· Interest will NOT be applied
· Adjustments will be found on each settlement instance tab
February 2025 Prior Period Adjustments
ROE Resettlement for Rate Years 2013-2014 – EL14-12, EL15-45
· November 12, 2013 - December 31, 2014
· Affects Schedules 7, 8, 9, 26, 26A, 37, 38,42B and 45
· Interest will be applied
· Adjustments will be found on the Pass Throughs tab
Firm-to-Firm Redirect Continuing Error
· October 2022 – June 2023
· Affects Schedule 1, 2, 26, 33, 45 (not all schedules are affected in each month)
· No Interest
· This information can be found in each settlement instance tab.
· This applies to customers NRG and MCPI as well as revenue recipients.
Disclaimer: Adjustments and timing are subject to change.
Updated 12/27/2024