Algonquin Gas Transmission Notice 182804

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Critical Notice Description: Critical Notices

Notice Effective Date / Time: 09/10/2026 09:00:00 AM

Notice End Date / Time: 09/11/2026 09:00:00 AM

Notice Identifier: 182804

Notice Status Description: Initiate

Notice Type: Capacity Constraint

Posting Date / Time: 09/09/2026 03:31:19 PM

Prior Notice Identifier: None

Required Response Indicator Description: No response required

Response Date / Time: None

Subject: AGT Pipeline Conditions for 09/10/2026

Notice Text:

For Gas Day September 10, 2026, 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
Restricted Locations	Scheduled and Sealed	AO	IT	3B	3A	2C	2B	2A	1	Notes
Stony Point		100%	100%	100%	100%	100%	100%	100%	10%	Planned Outage
Cromwell		100%	100%	49%
Burrillville		100%	100%	50%
Weymouth		100%	100%	62%
Iroquois Deliveries		100%	100%	46%
Iroquois Receipts	Yes
Hanover West	Yes
Mendon Receipts		100%	100%	100%	100%	100%	58%
Lincoln Receipts	Yes
Lincoln Deliveries	Yes
G System		100%	100%	16%
C System	Yes
Centerville-Transco Receipts⁽¹⁾		100%	100%	15%
I-8 West to East	Yes


No-Notice Restrictions	---

OFO / Imbalance Notice
System Wide OFO	---
Customer Specific OFO	---
Meter Specific OFO	---
Customer Specific Hourly OFO	---
Imbalances Warnings	Stay Balanced

FERC Order 698	Yes

Systemwide Notes:
⁽¹⁾ AGT has scheduled Transco Centerville receipts to the design meter capacity of 222,526 Dth/d.

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.

For Gas Day September 10, 2026, 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
Restricted Locations	Scheduled and Sealed	AO	IT	3B	3A	2C	2B	2A	1	Notes
Stony Point		100%	100%	100%	100%	100%	100%	100%	10%	Planned Outage
Cromwell		100%	100%	49%
Burrillville		100%	100%	50%
Weymouth		100%	100%	62%
Iroquois Deliveries		100%	100%	46%
Iroquois Receipts	Yes
Hanover West	Yes
Mendon Receipts		100%	100%	100%	100%	100%	58%
Lincoln Receipts	Yes
Lincoln Deliveries	Yes
G System		100%	100%	16%
C System	Yes
Centerville-Transco Receipts⁽¹⁾		100%	100%	15%
I-8 West to East	Yes


No-Notice Restrictions	---

OFO / Imbalance Notice
System Wide OFO	---
Customer Specific OFO	---
Meter Specific OFO	---
Customer Specific Hourly OFO	---
Imbalances Warnings	Stay Balanced

FERC Order 698	Yes

Systemwide Notes:
⁽¹⁾ AGT has scheduled Transco Centerville receipts to the design meter capacity of 222,526 Dth/d.

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.

Algonquin Gas Transmission Notice 182804

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