Substation Scout

Dickerson

Named in 2 PJM planning documents for 2 projects, from December 8, 2025 to January 6, 2026.

Newdescribed as
PEPCOzone
500 kV, 500/230 kVkV as printed
2mentions

Described as new: “New 500/230 kV substation (Dickerson) by cutting into the Aspen - Rocky Point” — source, page 25

PJM interconnection queue

A PJM queue substation page has the same name: Dickerson (MD) — 11 queue requests filed, 2 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
Exelon/PEPCO Cluster
b4052.1
Not printed $282.16 M 6/1/2032 Not printed 2026-01-06
TEAC
PEPCO Transmission Zone: Baseline Exelon/PEPCO Cluster
2025-W1-919
Not printed $282.16 M 6/1/2031 Not printed 2025-12-08
TEAC

Every mention

DateDocumentProjectWhat the document says about it
2026-01-06 TEAC
Item 09 - Reliability Analysis Update p. 25
Exelon/PEPCO Cluster “New 500/230 kV substation (Dickerson) by cutting into the Aspen - Rocky Point”
500/230 kV
2025-12-08 TEAC
Item 11 - Reliability Analysis Update p. 60
PEPCO Transmission Zone: Baseline Exelon/PEPCO Cluster “New 500 kV substation (Dickerson)”
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