Substation Scout

Loudoun

Named in 9 PJM planning documents for 12 projects, from October 8, 2024 to October 6, 2026.

Not stateddescribed as
DOMzone
500 kVkV as printed
19mentions

PJM interconnection queue

A PJM queue substation page has the same name: Loudoun (VA) — 3 queue requests filed, 0 active.

Same name and transmission owner. Matched on name and transmission owner: the utility that presented this substation in PJM planning materials is the transmission owner recorded on the queue filings at a substation of the same name. Not verified as the same facility.

Projects naming this substation

Figures are from the most recent document naming each project, as printed. Each links to its page.

ProjectStatus as printedCost estimateIn-service dateCustomer loadAs of
Loudoun – Morrisville 500kV
B3211
Cancelled $4.5 M 12/31/2024 Not printed 2025-04-01
TEAC
Do No Harm (DNH) Analysis
DOM-2020-0026-DNH · s2340.1 & s2340.2
Conceptual $1.5M 12/31/2026 Not printed 2024-10-08
TEAC
Northstar 230kV Delivery - DEV
DOM-2022-0035 · s3024
Engineering $10.0M 01/01/2025 153.0 MW 2024-10-08
TEAC
Burrell 230kV Delivery - NOVEC
DOM-2022-0046 · s3036
Engineering $16.0M 12/30/2028 20.8 MW 2026-10-06
TEAC
Do No Harm (DNH) Analysis
DOM-2022-0046-DNH & DOM-2022-0047-DNH
Conceptual $114.0M 12/31/2027 Not printed 2024-10-08
TEAC
Dominion Transmission Zone: Supplemental South Fork 230kV Delivery - NOVEC
DOM-2023-0002 · s3722
Engineering $19.0M 09/30/2026 162.0 MW 2025-10-08
TEAC
Do No Harm Analysis
DOM-2023-0002-DNH · s3722.3
Conceptual $20.0 M 12/31/2029 Not printed 2026-10-06
TEAC
Old Limb 230kV Delivery – DEV
DOM-2024-0015 · s3704.1
Engineering $35.0 M 8/01/2027 148 MW 2025-10-08
TEAC
Line #2114 Reactor
DOM-2024-0027
Engineering $4M 6/01/2025 Not printed 2024-12-03
TEAC
Aphrodite 230kV Delivery - NOVEC
DOM-2024-0061
Cancelled $14M 09/30/2027 100 MW 2026-09-08
TEAC
Demeter 230kV Delivery - NOVEC
DOM-2024-0062
Cancelled $15.5M 05/01/2028 100 MW 2026-09-08
TEAC
Operational Flexibility and Efficiency
DOM-2026-0037
Not printed Not printed Not printed Not printed 2026-09-08
TEAC

Changes between documents

Where two documents print different values for the same project. A large change in a cost estimate can reflect a need being combined with others into one solution, not only a re-estimate; read both pages.

What changedPrinted valuesEarlierLater
Cost estimate
prior value printed on the same page
$35.0M → $1.5M 2024-10-08 2024-10-08
Substations named ELK RUN; GAINESVILLE; LOUDOUN; MORRISVILLE; REMINGTON CT; ROLLINS FORD → ELK RUN; GAINESVILLE; REMINGTON CT; ROLLINS FORD 2024-10-08 Not reported
Cost estimate $37.5M → $23.0M 2026-10-06 Not reported
Cost estimate
prior value printed on the same page
$115.0M → $114.0M 2024-10-08 2024-10-08
Cost estimate $114.0M → $37.5M 2024-10-08 2026-10-06
Cost estimate
prior value printed on the same page
$23 → $37.5M 2026-10-06 2026-10-06
Substations named ANDERSON BRANCH; BRISTERS; NOKESVILLE → BRISTERS; LIBERTY; LOUDOUN; MEADOWBROOK; MORRISVILLE; NOKESVILLE; REMINGTON CT; ROLLINS FORD; VINT HILL; WHEELER; WISHING STAR 2026-10-06 Not reported
Substations named BRISTERS; LIBERTY; LOUDOUN; MEADOWBROOK; MORRISVILLE; NOKESVILLE; REMINGTON CT; ROLLINS FORD; VINT HILL; WHEELER; WISHING STAR → ANDERSON BRANCH; BRISTERS; NOKESVILLE 2024-10-08 2026-10-06
In-service date 12/30/2028 → 01/02/2026 2026-10-06 Not reported
In-service date 01/02/2026 → 12/30/2028 2024-10-08 2025-10-08
Substations named GAINESVILLE; LOUDOUN; MINT SPRINGS → BURRELL; MINT SPRINGS 2024-10-08 2025-10-08
Substations named AZALEA LANE; BRAMBLETON; LOUDOUN; RACEFIELD; REED FARM SOUTH FORK → AZALEA LANE; BRAMBLETON; LOUDOUN; RACEFIELD; REED FARM SOUTH FORK SUBSTATIONS 2025-09-09 2026-10-06
Substations named ELK RUN; LOUDOUN; MORRISVILLE; REMINGTON CT; ROLLINS FORD → ELK RUN; REMINGTON CT; ROLLINS FORD 2024-12-03 Not reported
Status engineering (Engineering) → cancelled (Canceled) 2025-10-08 2026-09-08
Substations named APHRODITE → APHRODITE; GAINESVILLE; LOUDOUN 2025-10-08 2026-09-08
Status engineering (Engineering) → cancelled (Canceled) 2025-10-08 2026-09-08
Substations named DEMETER → DEMETER; LOUDOUN; OLD LIMB 2025-10-08 2026-09-08

Every mention

DateDocumentProjectWhat the document says about it
2026-10-06 TEAC
Informational Only - Dominion Local Plan Submission of the Supplemental Projects 2026 p. 104
Do No Harm Analysis No role wording
2026-10-06 TEAC
Informational Only - Dominion Local Plan Submission of the Supplemental Projects 2026 p. 27
Burrell 230kV Delivery - NOVEC No role wording
2026-09-08 TEAC
Item 10 - DOM Supplemental Projects p. 14
Aphrodite 230kV Delivery - NOVEC No role wording
2026-09-08 TEAC
Item 10 - DOM Supplemental Projects p. 16
Demeter 230kV Delivery - NOVEC No role wording
2026-09-08 TEAC
Item 10 - DOM Supplemental Projects p. 4
Operational Flexibility and Efficiency No role wording
2026-09-08* SRRTEP Southern
Dominion p. 43
Northstar 230kV Delivery - DEV No role wording
2026-09-08* SRRTEP Southern
Dominion p. 63
Burrell 230kV Delivery - NOVEC No role wording
2026-09-08* SRRTEP Southern
Dominion p. 84
Do No Harm (DNH) Analysis No role wording
500 kV
2025-10-08 TEAC
Informational Only - Dominion Local Plan Submission of the Supplemental Projects 2025 p. 67
Dominion Transmission Zone: Supplemental South Fork 230kV Delivery - NOVEC No role wording
2025-10-08 TEAC
Informational Only - Dominion Local Plan Submission of the Supplemental Projects 2025 p. 79
Old Limb 230kV Delivery – DEV No role wording
2025-09-09 TEAC
Item 14 - DOM Supplemental Projects p. 9
Do No Harm Analysis No role wording
2025-06-05 TEAC
Item 08 - DOM Supplemental Projects p. 9
Dominion Transmission Zone: Supplemental South Fork 230kV Delivery - NOVEC No role wording
2025-04-01 TEAC
Item 14 - Reliability Analysis Update p. 10
Loudoun – Morrisville 500kV No role wording
500 kV
2024-12-03 TEAC
Item 10 - Dominion Supplemental Projects p. 6
Line #2114 Reactor No role wording
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 183
Line #2114 Reactor No role wording
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 3
Do No Harm (DNH) Analysis No role wording
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 43
Northstar 230kV Delivery - DEV No role wording
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 63
Burrell 230kV Delivery - NOVEC No role wording
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 84
Do No Harm (DNH) Analysis No role wording
500 kV

* A local-plan posting carries no meeting date; the date shown is when pjm.com last modified the file.

Before relying on any of this