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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:
Algonquin Gas Transmission, LLC
Critical notice
10/27/2025
07:42:28 AM
01/25/2026
07:42:28 AM
169185
Initiate
Capacity Constraint
10/27/2025
07:40:28 AM
No response required
G System Operational Advisory
Algonquin Gas Transmission, LLC (AGT) is currently experiencing large non-ratable hourly takes on the G System, which are causing lower than desired delivery pressures across the system. AGT has limited operational flexibility to manage these hourly imbalances. 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 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:
Algonquin Gas Transmission, LLC
Critical notice
10/27/2025
07:42:28 AM
01/25/2026
07:42:28 AM
169185
Initiate
Capacity Constraint
10/27/2025
07:40:28 AM
No response required
G System Operational Advisory
Algonquin Gas Transmission, LLC (AGT) is currently experiencing large non-ratable hourly takes on the G System, which are causing lower than desired delivery pressures across the system. AGT has limited operational flexibility to manage these hourly imbalances. 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.