Substation Scout

Suffolk

Named in 7 PJM planning documents for 7 projects, from October 8, 2024 to December 8, 2025.

Existingdescribed as
DOMzone
230kV, 500kVkV as printed
9mentions

PJM interconnection queue

A PJM queue substation page has the same name: Suffolk (VA) — 14 queue requests filed, 4 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
Line #23 Bell Ave to Suffolk 115 kV Partial Rebuild
B3759
Not printed $41M 6/1/2027 Not printed 2024-12-12
SRRTEP Southern
500kV Line #579 Rebuild (End of Life Criteria)
b3929.1
Not printed $216.78 M 6/1/2029 Not printed 2025-01-07
TEAC
Dominion Transmission Zone: Baseline 500kV Line #565 Rebuild (End of Life Criteria)
b4030.6
Not printed $74.3 M 6/1/2030 Not printed 2025-12-08
TEAC
Firetower Rd 230kV Delivery - DEV
DOM-2023-0015 · s3063
Under construction $5.0 M 02/29/2024 100 MW 2024-10-08
TEAC
230kV Line 246 – EOL Rebuild
DOM-2023-0044 · s3222.1
Conceptual $150.0 M 12/31/2028 36.7MW 2024-10-08
TEAC
500kV Line #579 Rebuild (End of Life Criteria)
DOM-O1
Not printed $216.78 M 6/1/2029 Not printed 2024-12-03
TEAC
Hopewell – Chesterfield – Basin 230 kV
2025-W1-911
Not printed $113.55 M 6/1/2030 Not printed 2025-11-04
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
$23.5M → $41M 2024-12-12 2024-12-12

Every mention

DateDocumentProjectWhat the document says about it
2026-09-08* SRRTEP Southern
Dominion p. 128
Firetower Rd 230kV Delivery - DEV “Line #246 (Earleys – Suffolk)”
2026-09-08* SRRTEP Southern
Dominion p. 153
230kV Line 246 – EOL Rebuild “Line #246 (Suffolk to Earleys)”
230kV
2025-12-08 TEAC
Item 11 - Reliability Analysis Update p. 22
Dominion Transmission Zone: Baseline 500kV Line #565 Rebuild (End of Life Criteria) “Uprate Line 565 equipment at Suffolk substation to 5000”
500kV
2025-11-04 TEAC
Item 14 - Reliability Analysis Update p. 31
Hopewell – Chesterfield – Basin 230 kV “Uprate Line 565 equipment at Suffolk & Yadkin substations to 5000A”
500kV
2025-01-07 TEAC
Item 12 - Reliability Analysis Update p. 54
500kV Line #579 Rebuild (End of Life Criteria) No role wording
230kV
2024-12-12 SRRTEP Southern
Item 01 - SRRTEP South - Reliability Analysis Update p. 3
Line #23 Bell Ave to Suffolk 115 kV Partial Rebuild No role wording
2024-12-03 TEAC
Item 11 - Reliability Analysis Update p. 74
500kV Line #579 Rebuild (End of Life Criteria) No role wording
230kV
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 128
Firetower Rd 230kV Delivery - DEV No role wording
2024-10-08 TEAC
Informational Only - DOM Local Plan submission of supplemental projects 2024 p. 153
230kV Line 246 – EOL Rebuild No role wording

* 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