Substation Scout

Charleroi

Named in 12 PJM planning documents for 9 projects, from October 8, 2024 to October 6, 2026.

Existingdescribed as
APSzone
138 kVkV as printed
17mentions

Also printed as: Charleroi 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
Misoperation Relay Projects
APS-2023-075, APS-2023-079 to APS-2023-084, APS-2023-086, APS-2023-087 · s3194.1, s3195.1, s3196.1, s3197.1, s3198.1, s3199.1, s3200.1, s3201.1, s3202.1
Not printed Not printed Not printed Not printed 2024-10-08
TEAC
Misoperation Relay Projects
APS-2023-080, APS-2023-081 · s3196.1, s3197.1
Not printed Not printed Not printed Not printed 2026-09-08*
SRRTEP Western
Misoperation Relay Projects
APS-2024-008, APS-2024-011, APS-2024-013, APS-2024-015, APS-2024-016, APS-2024-024, APS-2024-030 to APS-2024-034 · s3470.1, s3471.1, s3472.1, s3473.1, s3474.1, s3475.1, s3476.1, s3477.1, s3478.1, s3479.1, s3480.1
Not printed Not printed Not printed Not printed 2024-10-08
TEAC
Charleroi – Washington 138 kV Line
APS-2024-009, APS-2024-026 · s3459.1, s3460.1
Not printed $4.4M 12/06/2024 16.7 MW 2024-10-08
TEAC
Mitchell Plant Separation
APS-2024-073
Conceptual $11.01 M 06/02/2028 Not printed 2026-07-17
SRRTEP Western
Misoperation Relay Projects
APS-2024-098 to 105, APS-2024-111 to 114, APS-2024-116, APS-2024-118
Not printed Not printed Not printed Not printed 2024-12-13
SRRTEP Western
Misoperation Relays: Shepler Hill Junction (Charleroi - Mitchell - Yukon) 138 kV Line
APS-2024-102 · s3866.1
Not printed $3.71M 10/31/2028 Not printed 2026-10-06
TEAC
Misoperation Relays
APS-2024-104 · S3657.1, S3657.2, S3657.3
Not printed $6.17 M 07/02/2029 Not printed 2025-10-08
TEAC
Smithton 138 kV Substation
APS-2026-001
Conceptual $11.52 M 12/17/2027 10 MW 2026-07-17
SRRTEP Western

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
Substations named ALL LUDLUM 4 JCT; ALLENPORT; ARMSTRONG; BRACKEN JCT; BREDINVILLE; BURMA; BUTLER; CABOT; CABREY JCT; CHARLEROI; DUPONT; EASTGATE T; EDGELAWN; FAIRVIEW; GRANT TOWN; LARKMEAD; LOYALHANNA; LUXOR; RIVESVILLE; SALTSBURG; SPRINGDALE; VANDERGRIFT; YOUNGWOOD; YUKON → BREDINVILLE; BUTLER; CABOT; SPRINGDALE 2024-10-08 Not reported
Substations named ANTIETAM; BEDINGTON; BELMONT; BETHELBORO; CARNEGIE; CHARLEROI; DONEGAL; E HAGERSTOWN; EAST HAGERSTOWN; EDGELAWN; HAMPSHIRE; IRON BRIDGE; MARLOWE; PAPER CITY; RENO TAP; RIDGELEY; RIDGWAY; TIDD; TRISSLER; WEIRTON; YUKON → ANTIETAM; BETHELBORO; CHARLEROI; EAST HAGERSTOWN; PAPER CITY; RIDGWAY; YUKON 2024-10-08 Not reported
Substations named CHARLEROI; MITCHELL; YUKON → MITCHELL 2026-07-17 2026-10-06
Substations named BROWNSVILLE JUNCTION; CHARLEROI; EMERALD; GATES HILL → BROWNSVILLE JCT; CHARLEROI; EMERALD; GATES HILL 2025-04-11 2025-10-08
Substations named ALLENPORT; CHARLEROI; IRON BRIDGE; MITCHELL; SMITHTON; YUKON → ALLENPORT; BELMON; CHARLEROI; IRON BRIDGE; MITCHELL; SMITHTON; YUKON 2026-01-16 2026-07-17
Substations named ALLENPORT; BELMON; CHARLEROI; IRON BRIDGE; MITCHELL; SMITHTON; YUKON → SMITHTON 2026-07-17 2026-10-06

Every mention

DateDocumentProjectWhat the document says about it
2026-10-06 TEAC
Informational Only - APS Local Plan Submission of the Supplemental Projects for 2026 p. 29
Misoperation Relays: Shepler Hill Junction (Charleroi - Mitchell - Yukon) 138 kV Line “At Charleroi Substation, replace substation conductor, and relaying.”
138 kV
2026-09-28* SRRTEP Western
APS local plan submission of the supplemental projects for 2026 RTEP p. 29
Misoperation Relays: Shepler Hill Junction (Charleroi - Mitchell - Yukon) 138 kV Line “At Charleroi Substation, replace substation conductor, and relaying.”
2026-09-08* SRRTEP Western
APS local plan submission of the supplemental projects for 2024 RTEP p. 109
Charleroi – Washington 138 kV Line “Replace limiting substation conductor and remove line trap at Charleroi Substation.”
138 kV
2026-09-08* SRRTEP Western
APS local plan submission of the supplemental projects for 2024 RTEP p. 117
Misoperation Relay Projects “At Charleroi, replace relaying”
138 kV
2026-09-08* SRRTEP Western
APS local plan submission of the supplemental projects for 2024 RTEP p. 73
Misoperation Relay Projects “At Charleroi, replace circuit breaker, disconnect switches, line trap, substation conductor and relaying”
138 kV
2026-09-08* SRRTEP Western
APS local plan submission of the supplemental projects for 2025 RTEP p. 48
Misoperation Relays “Charleroi Substation: • At Charleroi Substation, replace substation conductor”
138 kV
2026-07-17 SRRTEP Western
Item 02 - APS Supplemental Projects p. 12
Smithton 138 kV Substation No role wording
138 kV
2026-07-17 SRRTEP Western
Item 02 - APS Supplemental Projects p. 6
Mitchell Plant Separation No role wording
138 kV
2026-01-16 SRRTEP Western
Item 03 - APS Supplemental Projects p. 3
Smithton 138 kV Substation No role wording
138 kV
2025-10-17 SRRTEP Western
Item 02 - APS Supplemental Projects p. 8
Misoperation Relays: Shepler Hill Junction (Charleroi - Mitchell - Yukon) 138 kV Line “At Charleroi Substation, replace substation conductor, and relaying”
138 kV
2025-10-08 TEAC
Informational Only - APS Local Plan Submission of the Supplemental Projects for 2025 p. 48
Misoperation Relays “At Charleroi Substation, replace substation conductor, line trap”
138 kV
2025-04-11 SRRTEP Western
Item 06 - APS Supplemental Project p. 11
Misoperation Relays “replace substation conductor”
2024-12-13 SRRTEP Western
Item 15 - APS Supplemental Project p. 5
Misoperation Relay Projects No role wording
138 kV
2024-11-15 SRRTEP Western
Item 05 - APS Supplemental projects p. 3
Mitchell Plant Separation No role wording
138 kV
2024-10-08 TEAC
Informational Only - APS Local Plan submission of supplemental project 2024 p. 107
Charleroi – Washington 138 kV Line “Replace limiting substation conductor and remove line trap at Charleroi Substation.”
138 kV
2024-10-08 TEAC
Informational Only - APS Local Plan submission of supplemental project 2024 p. 117
Misoperation Relay Projects “At Charleroi, replace relaying”
2024-10-08 TEAC
Informational Only - APS Local Plan submission of supplemental project 2024 p. 73
Misoperation Relay Projects “At Charleroi, replace circuit breaker, disconnect switches, line trap, substation conductor and relaying”

* 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