Substation Scout

Quantum 300 Substation

Named in 3 PJM planning documents for 2 projects, from November 4, 2025 to September 8, 2026.

Newdescribed as
APSzone
230 kVkV as printed
3mentions

Described as new: “Construct new Quantum 300 Substation” — source, page 4

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
Doubs - Lime Kiln 230 kV Line
APS-2025-021
Conceptual $63.16 M 09/23/2032 Not printed 2026-02-03
TEAC
New Customer Connection
APS-2026-039
Conceptual $8.02M 04/12/2032 368 MW 2026-09-08
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 36.75 → $63.16 M 2025-11-04 2026-02-03
In-service date 09/2030 → 02/18/2032 2025-09-09 2025-11-04
In-service date 02/18/2032 → 09/23/2032 2025-11-04 2026-02-03
Substations named DOUBS; LIME KILN → DOUBS; LIME KILN; QUANTUM 300; SAGE 2025-09-09 2025-11-04
Substations named DOUBS; LIME KILN; QUANTUM 300; SAGE → DOUBS; LIME KILN; MANOR WOODS; QUANTUM 300; SAGE 2025-11-04 2026-02-03
In-service date 4/30/2032 → 04/12/2032 2026-07-07 2026-09-08

Every mention

DateDocumentProjectWhat the document says about it
2026-09-08 TEAC
Item 05 - APS Supplemental Projects p. 7
New Customer Connection “Install four 230 kV breakers at the Quantum 300 Substation constructed per APS-2025-021”
230 kV
2026-02-03 TEAC
Item 04 - APS Supplemental Projects p. 4
Doubs - Lime Kiln 230 kV Line “Construct new Quantum 300 Substation”
2025-11-04 TEAC
Item 04 - APS Supplemental Projects - Version 7 p. 12
Doubs - Lime Kiln 230 kV Line “Construct new Quantum 300 Substation”
230 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