Planned Service Outage  Saturday, August 16, 2025 Download this information as a PDF report
Date Range:   By default, PSO's are posted for 90 days past Notice End Date. Select date range and click Retrieve to select all PSO's effective, at some point, within the selected date range.
Notice TypePosted D/TNotice Eff D/TNotice End D/TNotice IdentifierSubjectResponse D/TActionMap
Maint8/11/2025
11:10 AM		5/22/2025
9:00 AM		9/30/2025
5:00 PM		3606Golva Compressor Station (Line Section 26) DownloadView Map
Maint8/8/2025
10:13 AM		8/19/2025
9:00 AM		8/19/2025
11:00 PM		3605FT. Peck Compressor Station DownloadView Map
Maint8/7/2025
9:46 AM		8/21/2025
9:00 AM		8/23/2025
5:00 PM		3604Line Section 22 - Allendale to Billings West DownloadView Map
Maint8/6/2025
2:47 PM		8/19/2025
9:00 AM		8/20/2025
5:00 PM		3603Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint8/6/2025
12:03 PM		8/6/2025
9:00 AM		10/31/2025
5:00 PM		3602Hardin Compressor Station DownloadView Map
Maint8/5/2025
11:34 AM		8/18/2025
9:00 AM		8/22/2025
5:00 PM		3601Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint8/5/2025
11:05 AM		8/11/2025
11:00 AM		8/11/2025
5:00 PM		3600Willow Creek Compressor Station DownloadView Map
Maint8/5/2025
10:27 AM		8/6/2025
9:00 AM		8/6/2025
2:00 PM		3599Hardin Compressor Station DownloadView Map
Maint8/1/2025
12:20 PM		8/25/2025
9:00 AM		9/5/2025
5:00 PM		3598Cabin Creek Compressor Station DownloadView Map
Maint8/1/2025
9:44 AM		8/4/2025
9:00 AM		8/15/2025
5:00 PM		3597Line Section 19 - Lake Creek Line DownloadView Map
Maint8/1/2025
9:16 AM		6/23/2025
9:00 AM		8/29/2025
5:00 PM		3596Cabin Creek Compressor Station DownloadView Map
Maint8/1/2025
9:13 AM		5/22/2025
9:00 AM		8/29/2025
5:00 PM		3595Golva Compressor Station (Line Section 26) DownloadView Map
Maint7/30/2025
8:35 AM		7/21/2025
9:00 AM		8/1/2025
5:00 PM		3594Line Section 24 Cleveland – Mapleton DownloadView Map
Maint7/25/2025
11:37 AM		8/7/2025
8:00 AM		8/7/2025
1:00 PM		3593Williston Compressor Station DownloadView Map
Maint7/24/2025
2:27 PM		8/6/2025
9:00 AM		8/6/2025
5:00 PM		3592Elk Basin Compressor Station Download
Maint7/24/2025
12:17 PM		8/11/2025
9:00 AM		8/13/2025
5:00 PM		3591Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint7/23/2025
4:52 PM		8/11/2025
9:00 AM		8/15/2025
5:00 PM		3590Line Section 27 Spring Creek - Garden Creek DownloadView Map
Maint7/23/2025
11:05 AM		8/4/2025
9:00 AM		8/8/2025
5:00 PM		3589Line Section 19 - Lake Creek Line DownloadView Map
Maint7/16/2025
1:36 PM		7/29/2025
9:00 AM		7/29/2025
6:00 PM		3588Glen Ullin Compressor Station DownloadView Map
Maint7/15/2025
11:26 AM		7/23/2025
9:00 AM		7/23/2025
5:00 PM		3587Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint7/15/2025
11:17 AM		7/22/2025
9:00 AM		7/22/2025
5:00 PM		3586Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint7/15/2025
9:04 AM		7/2/2025
9:00 AM		7/19/2025
5:00 PM		3585ElkHorn Creek Compressor Station DownloadView Map
Maint7/14/2025
4:13 PM		5/8/2025
9:00 AM		8/29/2025
5:00 PM		3584Willow Creek Compressor Station (Line Section 35) DownloadView Map
Maint7/10/2025
4:37 PM		6/23/2025
9:00 AM		7/31/2025
5:00 PM		3583Cabin Creek Compressor Station DownloadView Map
Maint7/10/2025
12:07 PM		7/16/2025
9:00 AM		7/17/2025
5:00 PM		3582Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint7/10/2025
10:31 AM		7/10/2025
9:00 AM		7/15/2025
5:00 PM		3581Line Section 01 Cabin Creek - Dickinson Download
Maint7/9/2025
1:31 PM		7/9/2025
9:00 AM		7/10/2025
5:00 PM		3580Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint7/7/2025
2:59 PM		7/9/2025
9:00 AM		7/10/2025
5:00 PM		3579Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint7/2/2025
10:42 AM		7/9/2025
9:00 AM		7/9/2025
5:00 PM		3578Williston Compressor Station - Line Section 30 DownloadView Map
Maint6/30/2025
5:00 PM		7/2/2025
9:00 AM		7/14/2025
5:00 PM		3577ElkHorn Creek Compressor Station DownloadView Map
Maint6/30/2025
9:29 AM		5/22/2025
9:00 AM		7/31/2025
5:00 PM		3576Golva Compressor Station (Line Section 26) DownloadView Map
Maint6/30/2025
9:23 AM		4/30/2025
9:00 AM		7/14/2025
5:00 PM		3575Hardin Compressor Station - Line Section 17 DownloadView Map
Maint6/27/2025
8:23 AM		6/23/2025
9:00 AM		7/11/2025
5:00 PM		3574Cabin Creek Compressor Station DownloadView Map
Maint6/26/2025
4:47 PM		7/2/2025
9:00 AM		7/2/2025
5:00 PM		3573Manning Compressor Station DownloadView Map
Maint6/26/2025
4:09 PM		7/14/2025
9:00 AM		7/18/2025
5:00 PM		3572Hardin Compressor Station DownloadView Map
Maint6/26/2025
1:45 PM		7/21/2025
9:00 AM		8/1/2025
5:00 PM		3571Line Section 24 Cleveland – Mapleton DownloadView Map
Maint6/26/2025
11:52 AM		8/5/2025
9:00 AM		8/5/2025
9:00 PM		3570Tioga Compressor Station Annual Maintenance DownloadView Map
Maint6/26/2025
10:03 AM		7/3/2025
9:00 AM		7/3/2025
5:00 PM		3569Manning Compressor Station DownloadView Map
Maint6/26/2025
9:39 AM		7/1/2025
9:00 AM		7/1/2025
5:00 PM		3568Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint6/25/2025
2:11 PM		6/21/2025
3:10 PM		6/26/2025
5:00 PM		3567Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint6/23/2025
4:24 PM		6/21/2025
3:10 PM		6/25/2025
5:00 PM		3566Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint6/23/2025
1:52 PM		6/30/2025
9:00 AM		6/30/2025
5:00 PM		3565Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint6/21/2025
3:11 PM		6/21/2025
3:10 PM		6/25/2025
5:00 PM		3564Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint6/20/2025
10:23 AM		6/20/2025
9:00 AM		6/25/2025
5:00 PM		3563Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint6/19/2025
3:43 PM		6/24/2025
9:00 AM		6/26/2025
5:00 PM		3562Line Section 15 - Spearfish Lateral DownloadView Map
Maint6/19/2025
9:31 AM		6/25/2025
9:00 AM		6/25/2025
5:00 PM		3561Cleveland Compressor Station DownloadView Map
Maint6/15/2025
1:51 PM		6/15/2025
2:00 PM		6/17/2025
9:00 AM		3560Charbonneau Compressor Station-Deliveries to NBPL Download
Maint6/13/2025
1:48 PM		5/8/2025
9:00 AM		7/18/2025
5:00 PM		3559Willow Creek Compressor Station (Line Section 35) DownloadView Map
Maint6/13/2025
10:26 AM		6/19/2025
9:00 AM		6/19/2025
5:00 PM		3558Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint6/13/2025
10:19 AM		6/17/2025
9:00 AM		6/17/2025
5:00 PM		3557Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint6/13/2025
9:46 AM		6/17/2025
9:00 AM		6/17/2025
1:00 PM		3556Willow Creek Compressor Station DownloadView Map
Maint6/11/2025
2:30 PM		6/23/2025
9:00 AM		6/27/2025
5:00 PM		3555Cabin Creek Compressor Station DownloadView Map
Maint6/11/2025
9:37 AM		6/16/2025
9:00 AM		6/20/2025
5:00 PM		3554LS 15 (Belle Fourche - Rapid City) Hydrotest Download
Maint6/10/2025
2:36 PM		6/23/2025
9:00 AM		6/27/2025
5:00 PM		3553LS 15 (Belle Fourche - Rapid City) Hydrotest Download
Maint6/6/2025
2:45 PM		6/10/2025
9:00 AM		6/10/2025
5:00 PM		3552Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint6/6/2025
1:32 PM		6/11/2025
9:00 AM		6/11/2025
5:00 PM		3551Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint6/2/2025
11:51 AM		6/18/2025
9:00 AM		6/18/2025
5:00 PM		3550Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint5/30/2025
1:03 PM		6/4/2025
9:00 AM		6/4/2025
4:00 PM		3549Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint5/30/2025
12:26 PM		6/1/2025
9:00 AM		6/6/2025
5:00 PM		3548Worland Compressor Station - Line Section 19 DownloadView Map
Maint5/28/2025
2:01 PM		5/22/2025
9:00 AM		6/30/2025
5:00 PM		3547Golva Compressor Station (Line Section 26) DownloadView Map
Maint5/23/2025
1:10 PM		5/22/2025
9:00 AM		5/30/2025
5:00 PM		3546Golva Compressor Station (Line Section 26) DownloadView Map
Maint5/23/2025
10:22 AM		5/27/2025
9:00 AM		5/27/2025
5:00 PM		3545Charbonneau Compressor Station-Deliveries to NBPL DownloadView Map
Maint5/21/2025
4:06 PM		5/28/2025
9:00 AM		5/28/2025
3:00 PM		3544Charbonneau Compressor Station ESD and Maintenance DownloadView Map
Maint5/16/2025
11:08 AM		6/3/2025
9:00 AM		6/3/2025
9:00 PM		3543Line Section 22 (Rapelje Lateral) DownloadView Map
Maint5/15/2025
2:04 PM		4/30/2025
9:00 AM		6/30/2025
5:00 PM		3542Hardin Compressor Station - Line Section 17 DownloadView Map
Maint5/15/2025
12:03 PM		5/28/2025
9:00 AM		5/28/2025
5:00 PM		3541Lovell Compressor Station DownloadView Map
Maint5/14/2025
10:04 AM		6/2/2025
9:00 AM		6/4/2025
5:00 PM		3540Golva Compressor Station (Line Section 26 DownloadView Map
Maint5/14/2025
9:13 AM		5/22/2025
9:00 AM		5/23/2025
5:00 PM		3539Golva Compressor Station (Line Section 26) DownloadView Map
Maint5/13/2025
2:20 PM		5/8/2025
9:00 AM		6/30/2025
5:00 PM		3538Willow Creek Compressor Station (Line Section 35) DownloadView Map
Maint5/13/2025
9:23 AM		5/27/2025
8:00 AM		5/27/2025
5:00 PM		3537Tioga Compressor Station (Elkhorn Creek Delivery) DownloadView Map
Maint5/8/2025
11:04 AM		5/8/2025
9:00 AM		5/30/2025
5:00 PM		3534Willow Creek Compressor Station (Line Section 35) DownloadView Map
Maint4/28/2025
3:18 PM		5/19/2025
9:00 AM		5/23/2025
5:00 PM		3527Saco Compressor Station - Line Section 8 DownloadView Map
Maint4/23/2025
4:30 PM		5/28/2025
9:00 AM		9/11/2025
5:00 PM		3526Line Section 2 (Mandan, ND Area) DownloadView Map
Maint4/23/2025
10:10 AM		5/27/2025
9:00 AM		5/30/2025
5:00 PM		3525Red Wing Receipt (Line Section 6) DownloadView Map
Maint4/21/2025
3:54 PM		6/9/2025
9:00 AM		6/13/2025
5:00 PM		3523Line Section 30 (Williston to Tioga) Hydrotest DownloadView Map
Maint4/18/2025
12:16 PM		5/19/2025
9:00 AM		5/23/2025
5:00 PM		3520Line Section 05 (Cabin to Morgan Creek) Hydrotest DownloadView Map
Maint4/11/2025
9:32 AM		6/3/2025
9:00 AM		6/3/2025
5:00 PM		3516Williston Compressor Station - Line Section 30 DownloadView Map
Maint4/7/2025
4:24 PM		6/2/2025
9:00 AM		6/6/2025
5:00 PM		3513Saco Compressor Station - Line Section 8 DownloadView Map

*** All references to Time are stated for the Central Time Zone.

All posted impacts to capacities are based on WBI Energy Transmission’s best estimates. Actual impacts may vary from the posted impacts depending on system operating conditions, weather and other factors. WBI Energy Transmission reserves the right to revise all postings. If you have any questions regarding this posting, please contact a Transportation Services Analyst at 701-530-1630.


Impact Ranking Key for PSO
Impact Level / Color Shading Impact Description
Low Impact (None) Allocations to Transportation are unlikely.
Potential Impact (Blue) Potential impact to Receipts and/or Deliveries.
High Impact (Yellow) Receipts, Deliveries and Throughput Allocations are likely.
Service Outage (Red) Allocations happening / Force Majeure.
If you have any questions or comments regarding this information, please e-mail Market Services.
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