Substation Scout

Muskingum River

Named in 3 PJM planning documents for 3 projects, from May 15, 2026 to October 6, 2026.

Existingdescribed as
AEPzone
138kV, 345 kVkV as printed
4mentions

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
Muskingum River, OH
AEP-2025-OH013 · s4024.1-2
Conceptual $5.782 M 12/06/2027 200MW 2026-10-06
TEAC
Muskingum River 345kV Customer Delivery
AEP-2025-OH015
Conceptual $20.574 M 11/01/2028 1200MW 2026-10-06
TEAC
Muskingum River - Kammer 345 kV Line Section
AEP-2026-OH041
Not printed Not printed Not printed Not printed 2026-10-06
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
In-service date 02/01/2027 → 12/06/2027 2025-08-15 2026-05-15
Substations named MUSKINGUM RIVER → MUSKINGUM 2026-10-06 Not reported
Substations named MUSKINGUM → MUSKINGUM; MUSKINGUM RIVER 2025-08-15 2026-05-15
Substations named MUSKINGUM; MUSKINGUM RIVER → MUSKINGUM RIVER 2026-05-15 2026-10-06
Substations named MUSKINGUM → MUSKINGUM; MUSKINGUM RIVER 2025-08-05 2026-10-06

Every mention

DateDocumentProjectWhat the document says about it
2026-10-06 TEAC
Informational Only - AEP Local Plan Submission of the Supplemental Projects for 2026 p. 100
Muskingum River, OH “Install a new 138kV breaker at Muskingum River 138kV on bus #1 to facilitate extension to customer site”
138kV
2026-10-06 TEAC
Item 11 - AEP Supplemental Projects - Presentation p. 3
Muskingum River - Kammer 345 kV Line Section No role wording
345 kV
2026-10-06 TEAC
Item 11 - AEP Supplemental Projects - Presentation p. 7
Muskingum River 345kV Customer Delivery “Install 2 - 345 kV 4000A 63kA circuit breakers and metering at Muskingum River 345kV station.”
345 kV
2026-05-15 SRRTEP Western
Item 01 - AEP Supplemental Projects p. 21
Muskingum River, OH “Install a new 138kV breaker at Muskingum River 138kV on bus #1”
138kV

* 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