Substation Scout

Mars

Named in 2 PJM planning documents for 1 project, from April 1, 2025 to December 8, 2025.

Existingdescribed as
DOMzone
230kVkV as printed
2mentions

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

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

Every mention

DateDocumentProjectWhat the document says about it
2025-12-08 TEAC
Item 11 - Reliability Analysis Update p. 132
Dominion Transmission Zone: Baseline New Mars – Lockridge – Golden 230kV Lines New Mars – Golden 500kV Line “re-routed to the south side of Mars substation”
230kV
2025-04-01 TEAC
Item 14 - Reliability Analysis Update p. 5
Dominion Transmission Zone: Baseline New Mars – Lockridge – Golden 230kV Lines New Mars – Golden 500kV Line “Install 230kV equipment at Mars and Lockridge substations”
230kV

* 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