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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
01/19/2025
09:00:00 AM
04/15/2025
09:00:00 AM
157695
Supersede
Capacity Constraint
01/15/2025
03:50:00 PM
157108
No response required
ETNG MAD Notice -- UPDATE
Effective 9:00 AM CCT January 17, 2025 ETNG is lifting the previously posted MAD notice; However, due to higher utilization along the East Tennessee (ETNG) system, beginning Gas Day January 19, 2025. ETNG will be re-implementing its Maximum Allowable Delivery Service (MAD) effective 9:00 AM CCT January 19, 2025.
As a result, the following restrictions will be effective at 9:00 AM CCT January 19, 2025:
· No secondary out of path receipts upstream of station 3104;
· No secondary out of path receipts upstream of station 3206;
· No secondary deliveries downstream of station 3313 on the 8 and 12 inch 3300 lines between Rural Retreat and Roanoke;
· No secondary out of path nominations to Transco Cascade Creek (59204/59304)
· No secondary out of path nominations to any locations downstream of Rural Retreat
· Receipt meters under delivering to the ETNG system may be restricted to their recent historical performance levels.
· Restrictions to secondary out of path nominations through ETNG's Topside South to its 3200 line sourced from locations on the 3100 line, are anticipated.
ETNG will not assess an Unauthorized Overrun charge on a Balancing Party unless the quantity of gas by which the Balancing Party exceeds its MAD is more than the greater of 500 DTH or 2% of MAD.
In addition, the following restrictions may be required depending on nominated activities:
· Restrictions at ETNG's interconnects with Tennessee Gas Pipeline at Lobelville (MR 53201) and Ridgetop (MR53101) for secondary nominated activities
· Restrictions to LMSMA's upstream of Lewisburg (station 3206) and Dixon Springs (station 3104) to recent historical delivery consumption levels.
ETNG will utilize any provision of its tariff to ensure system integrity including the issuance of customer specific or system wide OFOs. Any existing issued OFOs will remain in effective unless otherwise posted.
This notice will remain in effect until further notice.
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 15 - Jan 16 |
Gas Day Jan 17 - Jan 18 |
Gas Day Jan 19 until further notice |
| System Wide |
MAD 2% / 500 |
No MAD |
MAD 2% / 500 |
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
01/19/2025
09:00:00 AM
04/15/2025
09:00:00 AM
157695
Supersede
Capacity Constraint
01/15/2025
03:50:00 PM
157108
No response required
ETNG MAD Notice -- UPDATE
Effective 9:00 AM CCT January 17, 2025 ETNG is lifting the previously posted MAD notice; However, due to higher utilization along the East Tennessee (ETNG) system, beginning Gas Day January 19, 2025. ETNG will be re-implementing its Maximum Allowable Delivery Service (MAD) effective 9:00 AM CCT January 19, 2025.
As a result, the following restrictions will be effective at 9:00 AM CCT January 19, 2025:
· No secondary out of path receipts upstream of station 3104;
· No secondary out of path receipts upstream of station 3206;
· No secondary deliveries downstream of station 3313 on the 8 and 12 inch 3300 lines between Rural Retreat and Roanoke;
· No secondary out of path nominations to Transco Cascade Creek (59204/59304)
· No secondary out of path nominations to any locations downstream of Rural Retreat
· Receipt meters under delivering to the ETNG system may be restricted to their recent historical performance levels.
· Restrictions to secondary out of path nominations through ETNG's Topside South to its 3200 line sourced from locations on the 3100 line, are anticipated.
ETNG will not assess an Unauthorized Overrun charge on a Balancing Party unless the quantity of gas by which the Balancing Party exceeds its MAD is more than the greater of 500 DTH or 2% of MAD.
In addition, the following restrictions may be required depending on nominated activities:
· Restrictions at ETNG's interconnects with Tennessee Gas Pipeline at Lobelville (MR 53201) and Ridgetop (MR53101) for secondary nominated activities
· Restrictions to LMSMA's upstream of Lewisburg (station 3206) and Dixon Springs (station 3104) to recent historical delivery consumption levels.
ETNG will utilize any provision of its tariff to ensure system integrity including the issuance of customer specific or system wide OFOs. Any existing issued OFOs will remain in effective unless otherwise posted.
This notice will remain in effect until further notice.
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 15 - Jan 16 |
Gas Day Jan 17 - Jan 18 |
Gas Day Jan 19 until further notice |
| System Wide |
MAD 2% / 500 |
No MAD |
MAD 2% / 500 |