Substation Scout

Mansfield

Named in 4 PJM planning documents for 3 projects, from October 8, 2024 to October 6, 2026.

Not stateddescribed as
PENELECzone
115 kVkV as printed
5mentions

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
Niles Valley 115 kV Ring Bus
s3290
Engineering $16.0M 4/28/2028 approximately 30 MW 2025-11-13
SRRTEP Mid-Atlantic
Niles Valley – Wellsboro 115 kV
PN-2022-002 · s2835
Not printed $1.0 M 6/1/2024 23 MW 2026-09-08*
SRRTEP Mid-Atlantic
Niles Valley 115 kV Ring Bus
PN-2023-005 · s3290.1
Not printed $16.0M 4/28/2028 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 11/04/2028 → 4/28/2028 Not reported Not reported
In-service date 4/28/2028 → 11/04/2028 2026-10-06 Not reported
In-service date 11/04/2028 → 4/28/2028 2024-10-08 2026-10-06
Substations named HECTOR; MANSFIELD; NILES VALLEY; OSCEOLA; SABINSVILLE; WELLSBORO → NILES VALLEY; OSCEOLA Not reported Not reported

Every mention

DateDocumentProjectWhat the document says about it
2026-10-06 TEAC
Informational Only - Penelec Local Plan Submission of Supplemental Projects for 2026 p. 5
Niles Valley 115 kV Ring Bus No role wording
115 kV
2026-09-08* SRRTEP Mid-Atlantic
Penelec local plan submission for 2024 RTEP p. 12
Niles Valley 115 kV Ring Bus No role wording
115 kV
2026-09-08* SRRTEP Mid-Atlantic
Penelec local plan submission for 2024 RTEP p. 42
Niles Valley – Wellsboro 115 kV No role wording
115 kV
2025-11-13 SRRTEP Mid-Atlantic
Item 05 - Penelec Supplemental Projects p. 10
Niles Valley 115 kV Ring Bus No role wording
115 kV
2024-10-08 TEAC
Informational Only - PENELEC Local Plan submission of supplemental project 2024 p. 12
Niles Valley 115 kV Ring Bus No role wording
115 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