b3718 |
b3718.1 |
Load growth at Data Center Alley area |
Install one 500/230kV 1440MVA transformer at a new substation called Wishing Star. Cut and extend 500 kV Line #546 (Brambleton-Mosby) and 500 kV Line #590 (Brambleton-Mosby) to the proposed Wishing Star substation. Lines to terminate in a 500 kV breaker and a half configuration. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
TEAC 7.12.2022 PDF
TEAC 9.6.2022 PDF
TEAC 10.4.2022 PDF
FERC Filings & Orders PDF
FERC Filings & Orders PDF
|
b3718.2 |
Load growth at Data Center Alley area |
Install one 500/230 kV 1440 MVA transformer at a new substation called Mars near Dulles International Airport. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.3 |
Load growth at Data Center Alley area |
Construct a new 500 kV transmission line for ~ 3.5 miles along with substation upgrades at Wishing Star and Mars. New right-of-way will be needed and will share same structures with the line. New conductor to have a minimum summer normal rating of 4357 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.4 |
Load growth at Data Center Alley area |
Reconductor ~0.62 miles of 230 kV line #2214 (Buttermilk-Roundtable) to achieve a summer rating of 1574 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.5 |
Load growth at Data Center Alley area |
Reconductor ~1.52 miles of 230 kV line #2031 (Enterprise-Greenway-Roundtable) to achieve a summer rating of 1574 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.6 |
Load growth at Data Center Alley area |
Reconductor ~0.64 miles of 230 kV line #2186 (Enterprise-Shellhorn) to achieve a summer rating of 1574 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.7 |
Load growth at Data Center Alley area |
Reconductor ~2.17 miles of 230 kV line #2188 (Lockridge-Greenway-Shellhorn) to achieve a summer rating of 1574 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.8 |
Load growth at Data Center Alley area |
Reconductor ~0.84 miles of 230 kV line #2223 (Lockridge-Roundtable) to achieve a summer rating of 1574 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.9 |
Load growth at Data Center Alley area |
Reconductor ~3.98 miles of 230 kV line #2218 (Sojourner-Runway-Shellhorn) to achieve a summer rating of 1574 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.10 |
Load growth at Data Center Alley area |
Reconductor ~1.61 miles of 230 kV line #9349 (Sojourner-Mars) to achieve a summer rating of 1574 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.11 |
Load growth at Data Center Alley area |
Upgrade 4-500 kV breakers (total) to 63kA on either end of 500 kV Line #502 (Loudoun-Mosby). |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.12 |
Load growth at Data Center Alley area |
Upgrade 4-500 kV breakers (total) to 63 kA on either end of 500 kV Line #584 (Loudoun-Mosby). |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.13 |
Load growth at Data Center Alley area |
Cut and loop 230 kV Line #2079 (Sterling Park-Dranesville) into Davis Drive substation and install two GIS 230 kV breakers. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3718.14 |
Load growth at Data Center Alley area |
Construct a new 230 kV transmission line for ~3.5 miles along with substation upgrades at Wishing Star and Mars. New right-of-way will be needed and will share same structures with the 500 kV line. New conductor to have a minimum summer normal rating of 1573 MVA. |
Dominion |
Dominion |
12.19.2025 |
6.1.2025 |
10.2.2022 |
b3246 |
b3246.1 |
Load drop violations in the Manassas area |
Convert 115 kV Line #172 Liberty-Lomar and 115 kV Line #197 Cannon Branch-Lomar to 230 kV to provide a new 230 kV source between Cannon Branch and Liberty. The majority of 115 kV Line #172 Liberty-Lomar and Line #197 Cannon Branch-Lomar is adequate for 230 kV operation. Lines to have a summer rating of 1047 MVA/1047 MVA (SN/SE). |
Dominion |
Dominion |
12.31.2024 |
6.1.2023 |
2.10.2021 |
TEAC 8.4.2020 PDF
TEAC 10.6.2020 PDF
TEAC 12.1.2021 PDF
TEAC 2.9.2021 PDF
FERC Filings & Orders PDF
FERC Filings & Orders PDF
|
b3246.2 |
Load drop violations in the Manassas area |
Perform substation work for the 115 kV to 230 kV Line conversion at Liberty, Wellington, Godwin, Pioneer, Sandlot and Cannon Branch. |
Dominion |
Dominion |
12.31.2024 |
6.1.2023 |
2.10.2021 |
b3246.3 |
Load drop violations in the Manassas area |
Extend 230kV Line #2011 Cannon Branch – Clifton to Winters Branch by removing the existing Line #2011 termination at Cannon Branch and extending the line to Brickyard creating 230kV Line #2011 Brickyard-Clifton. Extend a new 230kV line between Brickyard and Winters Branch with a summer rating of 1572MVA/1572MVA (SN/SE). |
Dominion |
Dominion |
12.31.2024 |
6.1.2023 |
2.10.2021 |
b3246.4 |
Load drop violations in the Manassas area |
Perform substation work at Cannon Branch, Brickyard and Winters Branch for the 230kV Line #2011 extension. |
Dominion |
Dominion |
12.31.2024 |
6.1.2023 |
2.10.2021 |
b3246.5 |
Load drop violations in the Manassas area |
Replace the Gainesville 230kV 40kA breaker “216192” with a 50kA breaker. |
Dominion |
Dominion |
12.31.2024 |
6.1.2023 |
2.10.2021 |
b3223 |
b3223.1 |
Thermal, voltage and load loss violations in the Northern Neck area |
Install a 2nd 230kV circuit with a minimum summer emergency rating of 1047 MVA between Lanexa and Northern Neck Substations. The 2nd circuit will utilize the vacant arms on the double-circuit structures that are being installed on the Line #224 (Lanexa-Northern Neck) End-of-Life rebuild project (b3089). |
Dominion |
Dominion |
2.26.2024 |
6.1.2023 |
12.9.2020 |
TEAC 8.4.2020 PDF
TEAC 9.1.2020 - Immediate Need Reason PDF
TEAC 9.1.2020 PDF
|
b3223.2 |
Thermal, voltage and load loss violations in the Northern Neck area |
Expand the Northern Neck terminal from a 230kV, 4-breaker ring bus to a 6-breaker ring bus. |
Dominion |
Dominion |
2.26.2024 |
6.1.2023 |
12.9.2020 |
b3223.3 |
Thermal, voltage and load loss violations in the Northern Neck area |
Expand the Lanexa terminal from a 6-breaker ring bus to a breaker-and-a-half arrangement. |
Dominion |
Dominion |
2.26.2024 |
6.1.2023 |
12.9.2020 |