Substation Scout

Ladysmith

Named in 7 PJM planning documents for 5 projects, from April 1, 2025 to October 6, 2026.

Existingdescribed as
DOMzone
500kVkV as printed
7mentions

Also printed as: Ladysmith Sub · Ladysmith Substation

PJM interconnection queue

A PJM queue substation page has the same name: Ladysmith (VA) — 7 queue requests filed, 5 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
Dominion Transmission Zone: Baseline New 500kV Line North Anna - Thornburg - Bristers
b4000.344 & b4000.345
Not printed $661.63M 9/16/2030 Not printed 2026-05-08
TEAC
Thornburg 500/230kV Substation (Line #568 Ladysmith – Possum Point Cut-In)
b4000.351 & b4000.352
Not printed $7.2M 9/16/2030 Not printed 2026-10-06
TEAC
Dominion Transmission Zone: Supplemental Do No Harm Analysis
DOM-2023-0016 · s3731
Engineering $27 M 05/31/2025 248.0 MW 2026-10-06
TEAC
Dominion Transmission Zone: Supplemental Equipment Material Condition, Performance and Risk
DOM-2025-0026
Not printed Not printed Not printed Not printed 2025-06-05
TEAC
Equipment Material Condition, Performance and Risk
DOM-2025-0026 Update
Engineering $160M 12/31/2028 Not printed 2025-09-09
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
$704.25 M → $704.33 M 2025-01-07 2025-01-07
Cost estimate
prior value printed on the same page
$571.63M → $661.63M 2026-05-08 2026-05-08
Cost estimate $704.33 M → $661.63M 2025-01-07 2026-05-08
In-service date 6/1/2029 → 9/16/2030 2025-01-07 2026-05-08
Substations named ELMONT; KRAKEN; LADYSMITH; NORTH ANNA; POSSUM POINT; YEAT → AQUIA HARBOR; BRISTERS; KRAKEN; LADYSMITH; NORTH ANNA; STAFFORD; THORNBURG 2025-01-07 2026-05-08
Cost estimate $27.0 M → $450.0M 2025-04-01 2026-06-02
Cost estimate $450.0M → $27 M 2026-06-02 2026-10-06
In-service date 05/31/2025 → 07/01/2029 2025-04-01 2026-06-02
In-service date 07/01/2029 → 05/31/2025 2026-06-02 2026-10-06
Substations named ALLMAN; ELMONT; FOUR RIVERS; FREDERICKSBURG; KRAKEN; LADYSMITH; LADYSMITH CT; LEES HILL; N DOSWELL; NEW POST; PINEWOOD; RUTHER GLEN; ST JOHNS → ALLMAN; CHANCELLOR; ELMONT; FOUR RIVERS; FREDERICKSBURG; KRAKEN; LADYSMITH; LADYSMITH CT; LEES HILL; N DOSWELL; NEW POST; PINEWOOD; POSSUM POINT; RUTHER GLEN; ST JOHNS; THORNBURG 2025-04-01 2026-06-02
Substations named ALLMAN; CHANCELLOR; ELMONT; FOUR RIVERS; FREDERICKSBURG; KRAKEN; LADYSMITH; LADYSMITH CT; LEES HILL; N DOSWELL; NEW POST; PINEWOOD; POSSUM POINT; RUTHER GLEN; ST JOHNS; THORNBURG → ALLMAN; ELMONT; FOUR RIVERS; FREDERICKSBURG; KRAKEN; LADYSMITH; LADYSMITH CT; NEW POST; PINEWOOD; POSSUM POINT; RUTHER GLEN; ST JOHNS; THORNBURG 2026-06-02 2026-10-06
Cost estimate $54M → $160M 2025-07-08 2026-10-06
Substations named CHESTERFIELD; CHICKAHOMINY; LADYSMITH; LANEXA; POSSUM POINT; PROVIDENCE FORGE; TURNER → CHESTERFIELD; LANEXA; PROVIDENCE FORGE; TURNER 2025-06-05 2025-07-08
Substations named CHESTERFIELD; LANEXA; PROVIDENCE FORGE; TURNER → CHESTERFIELD; CHICKAHOMINY; LANEXA; PROVIDENCE FORGE; TURNER 2025-07-08 2026-10-06
Cost estimate
prior value printed on the same page
$54M → $160M 2025-09-09 2025-09-09

Every mention

DateDocumentProjectWhat the document says about it
2026-10-06 TEAC
Informational Only - Dominion Local Plan Submission of the Supplemental Projects 2026 p. 50
Dominion Transmission Zone: Supplemental Do No Harm Analysis “existing Fredericksburg, Ladysmith, and Possum Point substations”
500kV
2026-10-06 TEAC
Item 16 - Reliability Analysis Update - Presentation p. 8
Thornburg 500/230kV Substation (Line #568 Ladysmith – Possum Point Cut-In) No role wording
2026-06-02 TEAC
Item 11 - DOM Supplemental Projects p. 9
Dominion Transmission Zone: Supplemental Do No Harm Analysis “Install two 500kV, 150 MVAr Capacitor Banks At Ladysmith Sub”
500kV
2026-05-08 TEAC
Item 10 - Reliability Analysis Update p. 14
Dominion Transmission Zone: Baseline New 500kV Line North Anna - Thornburg - Bristers “bypassing Ladysmith Substation”
2025-09-09 TEAC
Item 14 - DOM Supplemental Projects p. 3
Equipment Material Condition, Performance and Risk No role wording
2025-06-05 TEAC
Item 08 - DOM Supplemental Projects p. 4
Dominion Transmission Zone: Supplemental Equipment Material Condition, Performance and Risk No role wording
2025-04-01 TEAC
Item 11 - DOM Supplemental Projects p. 16
Dominion Transmission Zone: Supplemental Do No Harm Analysis “Line #2089 from Ladysmith”
500kV

* 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