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ToolsAlgonquin Gas Transmission Notice 166049
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006951446
Algonquin Gas Transmission, LLC
Critical notice
08/09/2025
09:00:00 AM
08/10/2025
09:00:00 AM
166049
Initiate
Capacity Constraint
08/08/2025
04:06:44 PM
No response required
AGT Pipeline Conditions for 8/9/2025
Algonquin Gas Transmission, LLC
Critical notice
08/09/2025
09:00:00 AM
08/10/2025
09:00:00 AM
166049
Initiate
Capacity Constraint
08/08/2025
04:06:44 PM
No response required
AGT Pipeline Conditions for 8/9/2025
Notice Text:
| For Gas Day August 9, 2025, Algonquin Gas Transmission (AGT) has approved and scheduled nominations at each pipeline segment and meter station up to AGT's operational capacity. The following locations have been restricted due to requested nominations exceeding AGT's operational capacity: | |||||||||||
| Restricted Locations | Scheduled and Sealed | Priority % Restricted | Notes | ||||||||
| AO | IT | 3B | 3A | 2C | 2B | 2A | 1 | ||||
| Stony Point | 100% | 100% | 67% | ||||||||
| Cromwell | 100% | 100% | 69% | ||||||||
| Burrillville | 100% | 100% | 81% | ||||||||
| Weymouth | 100% | 100% | 85% | ||||||||
| Iroquois Receipts | 100% | 100% | 43% | ||||||||
| Iroquois Deliveries | 100% | 97% | |||||||||
| Hanover West | Yes | ||||||||||
| Mendon Receipts | 100% | 100% | 100% | 100% | 91% | ||||||
| G System | 100% | 100% | 100% | Planned Outage | |||||||
| G 1L VS6(2) | 100% | 100% | 100% | Planned Outage | |||||||
| I-8 West to East | 100% | 100% | 22% | ||||||||
| Centerville-Transco Receipts(1) | Yes | ||||||||||
| Meter 00201 - Receipts | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 16% | Planned Outage | ||
| Meter 00206 - Receipts | 100% | 100% | 88% | ||||||||
| No-Notice Restrictions | |||||||||||
| OFO / Imbalance Notice | |||||||||||
| System Wide OFO | --- | ||||||||||
| Customer Specific OFO | --- | ||||||||||
| Meter Specific OFO | --- | ||||||||||
| Customer Specific Hourly OFO | No DP - Effective 8/9/25. Hourly Tolerance 50 Dth / 40% | ||||||||||
| Imbalances Warnings | Stay Balanced | ||||||||||
| FERC Order 698 | Yes | ||||||||||
| Systemwide Notes: | |||||||||||
| AGT is 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. | |||||||||||
| (2) As previusly posted in the G System Operational Advisory, during these investions, meters downstream of the G 1L VS 6 are being limited to approximately 129,000 Dth/d. AGT will continue to evaluate these operational conditions for future Gas Days. | |||||||||||
| (1) AGT will place a capacity seal at the Centerville meter with Transco beginning on Gas Day February 20 th until further notice. The capacity seal will be set at the design meter capacity of 222,526 Dth/d. AGT will enter the scheduling seal after the Timely Confirmation process has been completed with Transco each day. | |||||||||||
| AGT requests that customers/point operators on AGT be aware of the impact non-ratable hourly takes from the system may have in causing delivery pressures reaching lower than desired levels. | |||||||||||
| AGT's system is not designed to sustain delivery pressures above contract levels while making non-ratable/accelerated deliveries above scheduled quantities for more than 6 consecutive hours, to be followed by flows below scheduled quantity for the balance of any 24-hour period. If customers/point operators don't manage hourly takes from the system, 1) delivery pressures will be impacted and /or 2) AGT may be required to impose further restrictions or courses of action in order to maintain the operational integrity of the system. | |||||||||||
| AGT may be required to issue system specific, meter specific and/or hourly OFO's pursuant to General Terms and Conditions Section 26.7(d) to impose further restrictions in order to maintain the operational integrity of the system. | |||||||||||
| Customers are advised that capacity may become available as the nomination and confirmation process continues throughout the day. Please contact your Operations Account Representative should you have any questions. |
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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
08/09/2025
09:00:00 AM
08/10/2025
09:00:00 AM
166049
Initiate
Capacity Constraint
08/08/2025
04:06:44 PM
No response required
AGT Pipeline Conditions for 8/9/2025
Algonquin Gas Transmission, LLC
Critical notice
08/09/2025
09:00:00 AM
08/10/2025
09:00:00 AM
166049
Initiate
Capacity Constraint
08/08/2025
04:06:44 PM
No response required
AGT Pipeline Conditions for 8/9/2025
Notice Text:
| For Gas Day August 9, 2025, Algonquin Gas Transmission (AGT) has approved and scheduled nominations at each pipeline segment and meter station up to AGT's operational capacity. The following locations have been restricted due to requested nominations exceeding AGT's operational capacity: | |||||||||||
| Restricted Locations | Scheduled and Sealed | Priority % Restricted | Notes | ||||||||
| AO | IT | 3B | 3A | 2C | 2B | 2A | 1 | ||||
| Stony Point | 100% | 100% | 67% | ||||||||
| Cromwell | 100% | 100% | 69% | ||||||||
| Burrillville | 100% | 100% | 81% | ||||||||
| Weymouth | 100% | 100% | 85% | ||||||||
| Iroquois Receipts | 100% | 100% | 43% | ||||||||
| Iroquois Deliveries | 100% | 97% | |||||||||
| Hanover West | Yes | ||||||||||
| Mendon Receipts | 100% | 100% | 100% | 100% | 91% | ||||||
| G System | 100% | 100% | 100% | Planned Outage | |||||||
| G 1L VS6(2) | 100% | 100% | 100% | Planned Outage | |||||||
| I-8 West to East | 100% | 100% | 22% | ||||||||
| Centerville-Transco Receipts(1) | Yes | ||||||||||
| Meter 00201 - Receipts | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 16% | Planned Outage | ||
| Meter 00206 - Receipts | 100% | 100% | 88% | ||||||||
| No-Notice Restrictions | |||||||||||
| OFO / Imbalance Notice | |||||||||||
| System Wide OFO | --- | ||||||||||
| Customer Specific OFO | --- | ||||||||||
| Meter Specific OFO | --- | ||||||||||
| Customer Specific Hourly OFO | No DP - Effective 8/9/25. Hourly Tolerance 50 Dth / 40% | ||||||||||
| Imbalances Warnings | Stay Balanced | ||||||||||
| FERC Order 698 | Yes | ||||||||||
| Systemwide Notes: | |||||||||||
| AGT is 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. | |||||||||||
| (2) As previusly posted in the G System Operational Advisory, during these investions, meters downstream of the G 1L VS 6 are being limited to approximately 129,000 Dth/d. AGT will continue to evaluate these operational conditions for future Gas Days. | |||||||||||
| (1) AGT will place a capacity seal at the Centerville meter with Transco beginning on Gas Day February 20 th until further notice. The capacity seal will be set at the design meter capacity of 222,526 Dth/d. AGT will enter the scheduling seal after the Timely Confirmation process has been completed with Transco each day. | |||||||||||
| AGT requests that customers/point operators on AGT be aware of the impact non-ratable hourly takes from the system may have in causing delivery pressures reaching lower than desired levels. | |||||||||||
| AGT's system is not designed to sustain delivery pressures above contract levels while making non-ratable/accelerated deliveries above scheduled quantities for more than 6 consecutive hours, to be followed by flows below scheduled quantity for the balance of any 24-hour period. If customers/point operators don't manage hourly takes from the system, 1) delivery pressures will be impacted and /or 2) AGT may be required to impose further restrictions or courses of action in order to maintain the operational integrity of the system. | |||||||||||
| AGT may be required to issue system specific, meter specific and/or hourly OFO's pursuant to General Terms and Conditions Section 26.7(d) to impose further restrictions in order to maintain the operational integrity of the system. | |||||||||||
| Customers are advised that capacity may become available as the nomination and confirmation process continues throughout the day. Please contact your Operations Account Representative should you have any questions. |
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