NOTICE DATE: December 19, 2025
NOTICE TYPE: M-D121925-01 Settlements
SHORT DESCRIPTION: ERCOT Settlements Timeline for 2025 Holiday Period
INTENDED AUDIENCE: QSE and CRRAH Settlement Personnel
DAYS AFFECTED: December 24, 2025 - January 2, 2026
LONG DESCRIPTION: As defined by ERCOT Protocol Section 2, ERCOT observes two holidays at Christmas, and New Year's Day. The following holidays will be observed:
- December 25 & 26, 2025; and
- January 1, 2026
The following tables show the Operating Days that will be posted and due dates for corresponding Settlement Invoice payments.
|
Date
|
Statements Posted
|
Settlement Invoice Due
|
Payment Due for
|
|
|
DAM
|
RTM Initial
|
RTM Final
|
RTM True-Up
|
|
|
|
|
12/24 (W)
|
12/22
|
12/19
|
10/30
|
06/27
|
12/29
|
12/22 STL/SUI/SUR
|
|
|
12/25 (Th)
|
ERCOT Holiday
|
|
|
12/26 (F)
|
ERCOT Holiday
|
|
|
12/29 (M)
|
12/23
|
12/20 - 12/22
|
10/31 - 11/04
|
06/28 - 07/02
|
12/31
|
12/23 & 12/24 STL/SUI/SUR
|
|
|
12/30 (T)
|
12/24 - 12/28
|
12/23
|
11/05
|
07/03
|
01/02
|
NONE
|
|
|
12/31 (W)
|
12/29
|
12/24 - 12/26
|
11/06
|
07/04
|
01/05
|
12/29 STL/SUI/SUR
|
|
|
01/01 (Th)
|
ERCOT Holiday
|
|
|
01/02 (F)
|
12/30
|
12/27 - 12/28
|
11/07 - 11/08
|
07/05 - 07/06
|
01/06
|
12/30 STL/SUI/SUR
|
|
ADDITIONAL INFORMATION: The Settlement Calendar Extract can be found on the ERCOT website.
CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at ClientServices@ercot.com.
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dg