Substation Scout

Prentice Drive

Named in 4 PJM planning documents for 3 projects, from October 8, 2024 to December 8, 2025.

Newdescribed as
DOMzone
230kVkV as printed
4mentions

Described as new: “proposed Prentice Drive Substation” — source, page 69

Also printed as: Prentice Drive Substation

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 Mars – Lockridge – Golden 230kV Lines New Mars – Golden 500kV Line
b3800.210
Not printed $431.62M 6/1/2027 Not printed 2025-12-08
TEAC
Prentice Drive 230kV Delivery - DEV
DOM-2022-0003 · s3056
Engineering $20.0 M 12/30/2024 100MW 2024-10-08
TEAC
Dominion Transmission Zone: Supplemental Customer Load Request
DOM-2024-0077
Not printed Not printed 2/28/2026 247.2 MW 2024-11-06
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
$342.92M → $439.92M 2025-04-01 2025-04-01
Cost estimate
prior value printed on the same page
$342.92M → $431.62M 2025-12-08 2025-12-08
Cost estimate $439.92M → $431.62M 2025-04-01 2025-12-08
Substations named LOCKRIDGE; PRENTICE; PRENTICE DRIVE; SHELLHORN → LOCKRIDGE; PRENTICE DRIVE; SHELLHORN 2024-10-08 Not reported

Every mention

DateDocumentProjectWhat the document says about it
2026-09-08* SRRTEP Southern
Dominion p. 69
Prentice Drive 230kV Delivery - DEV “proposed Prentice Drive Substation”
230kV
2025-12-08 TEAC
Item 11 - Reliability Analysis Update p. 134
Dominion Transmission Zone: Baseline New Mars – Lockridge – Golden 230kV Lines New Mars – Golden 500kV Line “terminate the 230kV Golden to Mars line into nearby Prentice Drive substation”
230kV
2024-11-06 TEAC
Item 12 - Dominion Supplemental Projects p. 5
Dominion Transmission Zone: Supplemental Customer Load Request “add a 3rd and 4th distribution transformer at Prentice Drive substation”
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 69
Prentice Drive 230kV Delivery - DEV “proposed Prentice Drive Substation”

* 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