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Subject:
006951446
Algonquin Gas Transmission, LLC
Critical notice
08/07/2025
09:00:00 AM
11/03/2025
08:40:07 AM
165896
Initiate
Capacity Constraint
08/05/2025
08:40:07 AM
No response required
Operational Advisory G system
Algonquin Gas Transmission, LLC
Critical notice
08/07/2025
09:00:00 AM
11/03/2025
08:40:07 AM
165896
Initiate
Capacity Constraint
08/05/2025
08:40:07 AM
No response required
Operational Advisory G system
Notice Text:
As previously posted Algonquin Gas Transmission, LLC (AGT) will be performing detailed pipeline inspections on its G-1L Valve Section (VS) 6 beginning on Gas Day August 7, 2025 through August 27, 2025. During these inspections, customers/point operators on the G-System should be aware that non-ratable hourly takes could cause delivery pressures to reach lower than desired levels. As previously posted, AGT's G-System is not designed to sustain delivery pressures above contract levels with non-ratable/accelerated deliveries if:
1) Point operators' hourly rates are exceeding their Maximum Hourly Transport Quantity (MHTQ) levels based on their scheduled quantities and
2) Point operators' hourly rates are exceeding 1/24th of the daily scheduled AFT-E primary firm quantities for more than 6 consecutive hours (or greater than 6 hours on any gas day).
Furthermore, if customers/point operators do not manage their hourly takes from the system, AGT may be required to impose further restrictions or courses of action in order to maintain the operational integrity of the system including, but not limited to, (i) the issuance of point specific daily OFOs for meters on the G-System (ii) the issuance of an hourly OFO pursuant to General Terms and Conditions Section 26.7(d) for meters on the System and/or (iii) the issuance of flow control on specific G-System meters.
Please contact your operations account representative should you have any questions.
TSP:
TSP Name:
Critical Notice Description:
Notice Effective Date:
Notice Effective Time:
Notice End Date:
Notice End Time:
Notice Identifier:
Notice Status Description:
Notice Type:
Posting Date:
Posting Time:
Prior Notice Identifier:
Required Response
Indicator Description:
Response Date:
Response Time:
Subject:
TSP Name:
Critical Notice Description:
Notice Effective Date:
Notice Effective Time:
Notice End Date:
Notice End Time:
Notice Identifier:
Notice Status Description:
Notice Type:
Posting Date:
Posting Time:
Prior Notice Identifier:
Required Response
Indicator Description:
Response Date:
Response Time:
Subject:
006951446
Algonquin Gas Transmission, LLC
Critical notice
08/07/2025
09:00:00 AM
11/03/2025
08:40:07 AM
165896
Initiate
Capacity Constraint
08/05/2025
08:40:07 AM
No response required
Operational Advisory G system
Algonquin Gas Transmission, LLC
Critical notice
08/07/2025
09:00:00 AM
11/03/2025
08:40:07 AM
165896
Initiate
Capacity Constraint
08/05/2025
08:40:07 AM
No response required
Operational Advisory G system
Notice Text:
As previously posted Algonquin Gas Transmission, LLC (AGT) will be performing detailed pipeline inspections on its G-1L Valve Section (VS) 6 beginning on Gas Day August 7, 2025 through August 27, 2025. During these inspections, customers/point operators on the G-System should be aware that non-ratable hourly takes could cause delivery pressures to reach lower than desired levels. As previously posted, AGT's G-System is not designed to sustain delivery pressures above contract levels with non-ratable/accelerated deliveries if:
1) Point operators' hourly rates are exceeding their Maximum Hourly Transport Quantity (MHTQ) levels based on their scheduled quantities and
2) Point operators' hourly rates are exceeding 1/24th of the daily scheduled AFT-E primary firm quantities for more than 6 consecutive hours (or greater than 6 hours on any gas day).
Furthermore, if customers/point operators do not manage their hourly takes from the system, AGT may be required to impose further restrictions or courses of action in order to maintain the operational integrity of the system including, but not limited to, (i) the issuance of point specific daily OFOs for meters on the G-System (ii) the issuance of an hourly OFO pursuant to General Terms and Conditions Section 26.7(d) for meters on the System and/or (iii) the issuance of flow control on specific G-System meters.
Please contact your operations account representative should you have any questions.