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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:
East Tennessee Natural Gas, LLC
Critical notice
01/23/2026
09:00:00 AM
04/21/2026
02:36:06 PM
172948
Initiate
Operational Flow Order
01/21/2026
03:02:00 PM
No response required
ETNG Operational Flow Order -- EFF 1/23
However, effective 9:00 AM CCT, January 24, 2026, ETNG is updating the Balancing Alert Operational Flow Order for the following operational areas:
i) all meters on Line 3200 between Tracy City and Topside including all meters on the 3500 Line,
ii) all meters east of the Rural Retreat Compressor Station that are on the 8" and 12" system but excluding meters on ETNG's 3600-1 Line.
In addition to these updated OFO conditions, the system wide OFO will continue to remain in effect for all other operational areas.
This OFO does not affect the ability of ETNG to receive or deliver quantities of gas for scheduled nominations to any customer, storage field, or pipeline.
During the effectiveness of this system wide OFO, balancing parties under Rate Schedules LMSMA and LMSPA must be balanced such that actual deliveries of gas out of the system must be equal to or less than scheduled deliveries out of the system and actual receipts of gas into the system must be equal to or greater than scheduled receipts into the system. Beginning Gas Day January 24, balancing parties with meters outside of Tracy City to Topside and the 3500-line area will not be allowed to utilize undertakes at meters located outside of Tracy City to Topside and the 3500-line area to offset overtakes at meters located between Tracy City and Topside and on the 3500-line. Additionally, balancing parties with meters west of Rural Retreat will not be allowed to utilize undertakes at meters located west of Rural Retreat to offset overtakes at meters located east of Rural Retreat on the 8" and 12" system.
The penalty provisions under Section 47.5(b) of the General Terms and Conditions of ETNG's FERC Gas Tariff shall apply for failure to conform for each dekatherm of actual receipt quantities that are less than scheduled receipt quantities and for each dekatherm of actual delivery quantities that are greater than scheduled delivery quantities, in each case with a tolerance as stated in the ETNG OFO matrix.
In addition, ETNG will not permit retroactive nominations to avoid an OFO penalty except for shippers who can secure day ending Due Shipper supply.
This OFO will remain in effect until further notice.
Additionally, the previously posted Hourly Customer Specific OFO will continue to remain in effect.
Please contact your Operations Account Representative should you have any questions.
Please refer to the table below for the effected ETNG operational areas, dates, and tolerance percentages.
| Operational Areas |
Gas Day Jan 21 - 22 |
Gas Day Jan 23 |
Gas Day Jan 24 and until further notice |
| System Wide |
No OFO |
OFO In Effect No Due Pipe OFO 2% / 500 |
OFO In Effect No Due Pipe OFO 2% / 500 |
| 3200 Line for all meters between Tracy City and Topside including all meters on the 3500 Line |
No OFO |
See System Wide OFO in Effect |
OFO In Effect No Due Pipe OFO 4% / 500 |
| 3300 Line for all meters East of Rural Retreat on the 8" and 12" system (excluding meters on the 3600-1 line) |
No OFO |
See System Wide OFO in Effect |
OFO In Effect No Due Pipe OFO 2% / 500 |
| Hourly Customer Specific Operational Flow Order |
No OFO |
See System Wide OFO in Effect |
OFO In Effect No Due Pipe (See Posting for Effective Time / Tolerance Calculation) |
| MAD |
No MAD |
No MAD |
No MAD |
NOTE:
Deliveries No DP : Shippers are not to take more than scheduled
Deliveries No DS : Shippers are not to take less than scheduled
Receipts No DP : Shippers are not to give less than scheduled
Receipts No DS : Shippers are not to give more than scheduled
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:
East Tennessee Natural Gas, LLC
Critical notice
01/23/2026
09:00:00 AM
04/21/2026
02:36:06 PM
172948
Initiate
Operational Flow Order
01/21/2026
03:02:00 PM
No response required
ETNG Operational Flow Order -- EFF 1/23
However, effective 9:00 AM CCT, January 24, 2026, ETNG is updating the Balancing Alert Operational Flow Order for the following operational areas:
i) all meters on Line 3200 between Tracy City and Topside including all meters on the 3500 Line,
ii) all meters east of the Rural Retreat Compressor Station that are on the 8" and 12" system but excluding meters on ETNG's 3600-1 Line.
In addition to these updated OFO conditions, the system wide OFO will continue to remain in effect for all other operational areas.
This OFO does not affect the ability of ETNG to receive or deliver quantities of gas for scheduled nominations to any customer, storage field, or pipeline.
During the effectiveness of this system wide OFO, balancing parties under Rate Schedules LMSMA and LMSPA must be balanced such that actual deliveries of gas out of the system must be equal to or less than scheduled deliveries out of the system and actual receipts of gas into the system must be equal to or greater than scheduled receipts into the system. Beginning Gas Day January 24, balancing parties with meters outside of Tracy City to Topside and the 3500-line area will not be allowed to utilize undertakes at meters located outside of Tracy City to Topside and the 3500-line area to offset overtakes at meters located between Tracy City and Topside and on the 3500-line. Additionally, balancing parties with meters west of Rural Retreat will not be allowed to utilize undertakes at meters located west of Rural Retreat to offset overtakes at meters located east of Rural Retreat on the 8" and 12" system.
The penalty provisions under Section 47.5(b) of the General Terms and Conditions of ETNG's FERC Gas Tariff shall apply for failure to conform for each dekatherm of actual receipt quantities that are less than scheduled receipt quantities and for each dekatherm of actual delivery quantities that are greater than scheduled delivery quantities, in each case with a tolerance as stated in the ETNG OFO matrix.
In addition, ETNG will not permit retroactive nominations to avoid an OFO penalty except for shippers who can secure day ending Due Shipper supply.
This OFO will remain in effect until further notice.
Additionally, the previously posted Hourly Customer Specific OFO will continue to remain in effect.
Please contact your Operations Account Representative should you have any questions.
Please refer to the table below for the effected ETNG operational areas, dates, and tolerance percentages.
| Operational Areas |
Gas Day Jan 21 - 22 |
Gas Day Jan 23 |
Gas Day Jan 24 and until further notice |
| System Wide |
No OFO |
OFO In Effect No Due Pipe OFO 2% / 500 |
OFO In Effect No Due Pipe OFO 2% / 500 |
| 3200 Line for all meters between Tracy City and Topside including all meters on the 3500 Line |
No OFO |
See System Wide OFO in Effect |
OFO In Effect No Due Pipe OFO 4% / 500 |
| 3300 Line for all meters East of Rural Retreat on the 8" and 12" system (excluding meters on the 3600-1 line) |
No OFO |
See System Wide OFO in Effect |
OFO In Effect No Due Pipe OFO 2% / 500 |
| Hourly Customer Specific Operational Flow Order |
No OFO |
See System Wide OFO in Effect |
OFO In Effect No Due Pipe (See Posting for Effective Time / Tolerance Calculation) |
| MAD |
No MAD |
No MAD |
No MAD |
NOTE:
Deliveries No DP : Shippers are not to take more than scheduled
Deliveries No DS : Shippers are not to take less than scheduled
Receipts No DP : Shippers are not to give less than scheduled
Receipts No DS : Shippers are not to give more than scheduled