Substation Scout

West Chippewa substation

Named in 3 PJM planning documents for 2 projects, from January 17, 2025 to October 8, 2025.

Newdescribed as
ATSIzone
69 kVkV as printed
3mentions

Described as new: “Construct a 5-breaker ring bus at West Chippewa substation” — source, page 26

Also printed as: West Chippewa

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
West Chippewa 69 kV Substation
(s1717) · s1717
Not printed $34 M 12/31/2025 36 MWs 2025-10-08
TEAC
West Chippewa 69 kV Substation
s1717
Engineering $34 M 12/31/2025 Not printed 2025-01-17
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
Cost estimate
prior value printed on the same page
$9.1M → $34 M 2025-01-17 2025-01-17

Every mention

DateDocumentProjectWhat the document says about it
2026-09-08* SRRTEP Western
ATSI local plan submission of the supplemental projects for 2025 RTEP p. 26
West Chippewa 69 kV Substation “Construct a 5-breaker ring bus at West Chippewa substation”
69 kV
2025-10-08 TEAC
Informational Only - ATSI Local Plan Submission of the Supplemental Projects for 2025 p. 26
West Chippewa 69 kV Substation “Construct a 5-breaker ring bus at West Chippewa substation”
69 kV
2025-01-17 SRRTEP Western
Item 05 - ATSI Supplemental Projects p. 11
West Chippewa 69 kV Substation “Construct a 5-breaker ring bus at West Chippewa substation”
69 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