Colorado Insterstate Gas Notice 123170

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TSP/TSP Name:  6914865-COLORADO INTERSTATE GAS CO. Critical: Y Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE Notice Eff Date/Time:  08/12/2026 7:53:49AM Notice End Date/Time:  08/13/2026 9:00:00am Post Date/Time:  8/12/2026 7:53:49 AM Notice ID: 123170 Reqrd Rsp:  1 Rsp Date/Time:  8/12/2026 12:00:00 AM Notice Stat Desc:  SUPERSEDE Prior Notice:  123137 Subject:  Operations Planning Report V2 Aug 2026
Notice Text:

Colorado Interstate Gas Company

Operations Planning Report August 2026

Reissued August 12, 2026

Pipe

Start Date

End Date

County, ST

Scheduling Location

Maintenance List

Base Capacity (Dth)

Reduction (Dth)

Net (Dth)

Flow Indication

Update

CIG

8/26/26

8/27/26

WELD, CO

182_(HPPC) HIGH PRESSURE POOL

Cheyenne Station Annual DOT/ESD Test

631,000

297,000

334,000

TD1

CIG

8/26/26

8/27/26

WELD, CO

218_(CYSC) CHEYENNE SOUTH

Cheyenne Station Annual DOT/ESD Test

556,000

301,000

255,000

TD2

CIG

8/26/26

8/27/26

LARAMIE, WY

164_(CHWC) CHEYENNE WEST_BH

Cheyenne Station Annual DOT/ESD Test

235,000

63,000

172,000

TD2

CIG

8/26/26

8/27/26

RIO BLANCO, CO

124_(GWDC) GREASEWOOD COMPRESSOR

Greasewood Station DOT/ESD Test

170,000

60,000

110,000

TD1

CIG

8/31/26

9/11/26

RIO BLANCO, CO

124_(GWDC) GREASEWOOD COMPRESSOR

Addition
Line 155A Scheduled Remediation Digs

170,000

60,000

110,000

TD1

Update

CIG

8/1/26

8/31/26

LARAMIE, WY

164_(CHWC) CHEYENNE WEST

Notice of Force Majeure – Segment 164
Reference Updated Notice# 122918
Line 5A pipeline Cheyenne to Laramie investigation and repair

570,000

223,000

347,000

TD1

CIG

8/1/26

8/31/26

LARAMIE, WY

164_(CHWC) CHEYENNE WEST_BH

Notice of Force Majeure – Segment 164
Reference Updated Notice# 122918
Line 5A pipeline Cheyenne to Laramie investigation and repair

315,000

80,000

235,000

TD2

In addition to planned outages, this report reflects the repairs and maintenance being performed related to Force Majeure events.

Due to the nature of such events, the dates for the associated repairs and maintenance of those events are assumed to extend until the end of the month.

These repairs and maintenance, however, may extend beyond the end of the month including beyond the current year.

More information on these repairs and maintenance will be posted as a Critical Notice under the Notices section of the Informational Postings tab on the CIG Electronic Bulletin Board.

TSP/TSP Name:  6914865-COLORADO INTERSTATE GAS CO. Critical: Y Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE Notice Eff Date/Time:  08/12/2026 7:53:49AM Notice End Date/Time:  08/13/2026 9:00:00am Post Date/Time:  8/12/2026 7:53:49 AM Notice ID: 123170 Reqrd Rsp:  1 Rsp Date/Time:  8/12/2026 12:00:00 AM Notice Stat Desc:  SUPERSEDE Prior Notice:  123137 Subject:  Operations Planning Report V2 Aug 2026
Notice Text:

Colorado Interstate Gas Company

Operations Planning Report August 2026

Reissued August 12, 2026

Pipe

Start Date

End Date

County, ST

Scheduling Location

Maintenance List

Base Capacity (Dth)

Reduction (Dth)

Net (Dth)

Flow Indication

Update

CIG

8/26/26

8/27/26

WELD, CO

182_(HPPC) HIGH PRESSURE POOL

Cheyenne Station Annual DOT/ESD Test

631,000

297,000

334,000

TD1

CIG

8/26/26

8/27/26

WELD, CO

218_(CYSC) CHEYENNE SOUTH

Cheyenne Station Annual DOT/ESD Test

556,000

301,000

255,000

TD2

CIG

8/26/26

8/27/26

LARAMIE, WY

164_(CHWC) CHEYENNE WEST_BH

Cheyenne Station Annual DOT/ESD Test

235,000

63,000

172,000

TD2

CIG

8/26/26

8/27/26

RIO BLANCO, CO

124_(GWDC) GREASEWOOD COMPRESSOR

Greasewood Station DOT/ESD Test

170,000

60,000

110,000

TD1

CIG

8/31/26

9/11/26

RIO BLANCO, CO

124_(GWDC) GREASEWOOD COMPRESSOR

Addition
Line 155A Scheduled Remediation Digs

170,000

60,000

110,000

TD1

Update

CIG

8/1/26

8/31/26

LARAMIE, WY

164_(CHWC) CHEYENNE WEST

Notice of Force Majeure – Segment 164
Reference Updated Notice# 122918
Line 5A pipeline Cheyenne to Laramie investigation and repair

570,000

223,000

347,000

TD1

CIG

8/1/26

8/31/26

LARAMIE, WY

164_(CHWC) CHEYENNE WEST_BH

Notice of Force Majeure – Segment 164
Reference Updated Notice# 122918
Line 5A pipeline Cheyenne to Laramie investigation and repair

315,000

80,000

235,000

TD2

In addition to planned outages, this report reflects the repairs and maintenance being performed related to Force Majeure events.

Due to the nature of such events, the dates for the associated repairs and maintenance of those events are assumed to extend until the end of the month.

These repairs and maintenance, however, may extend beyond the end of the month including beyond the current year.

More information on these repairs and maintenance will be posted as a Critical Notice under the Notices section of the Informational Postings tab on the CIG Electronic Bulletin Board.