Substation Scout

Lemoyne

Named in 7 PJM planning documents for 6 projects, from November 6, 2024 to October 6, 2026.

Existingdescribed as
ATSIzone
345 kV, 345kVkV as printed
10mentions

Also printed as: Lemoyne Substation

PJM interconnection queue

A PJM queue substation page has the same name: Lemoyne (OH) — 8 queue requests filed, 4 active.

Same name and transmission owner. Matched on name and transmission owner: the utility that presented this substation in PJM planning materials is the transmission owner recorded on the queue filings at a substation of the same name. Not verified as the same facility.

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
Cluster 2 (ATSI) Not printed Not printed Not printed Not printed 2024-11-06
TEAC
New 345 kV line between Bayshore to Davis Besse to Lake Ave Not printed 257.3 Not printed Not printed 2024-11-19
TEAC
New 345 kV line between Bayshore to Davis Besse to Lake Ave New 345 kV line between Lemoyne to Lake Ave Not printed 344.1 Not printed Not printed 2024-11-19
TEAC
New 345 kV line between Lemoyne - Lake Ave Not printed 202.0 Not printed Not printed 2024-11-19
TEAC
New 345 kV line between Lemoyne to Lake Ave Not printed 455.0 Not printed Not printed 2024-11-19
TEAC
Lemoyne Substation Upgrades for MISO Tranche 2.1
ATSI-2025-004 · s3844.1
Not printed $100.86M 6/1/2032 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
Cost estimate $15.6 M → $100.86 M 2025-03-04 2025-12-08
Substations named LAPLAISANCE CREEK; LEMOYNE; MAJESTIC; MAPLE → LEMOYNE 2025-02-04 2025-03-04
Substations named LEMOYNE → GREENFIELD; LAKEVIEW; LEMOYNE; OTTAWA 2025-03-04 2025-12-08
Substations named GREENFIELD; LAKEVIEW; LEMOYNE; OTTAWA → GREENFIELD; LEMOYNE; OTTAWA 2025-12-08 2026-10-06

Every mention

DateDocumentProjectWhat the document says about it
2026-10-06 TEAC
Informational Only - ATSI Local Plan Submission of the Supplemental Projects for 2026 p. 19
Lemoyne Substation Upgrades for MISO Tranche 2.1 “At Lemoyne Substation: Replace line relaying.”
2026-09-23* SRRTEP Western
ATSI local plan submission of the supplemental projects for 2026 RTEP p. 19
Lemoyne Substation Upgrades for MISO Tranche 2.1 “At Lemoyne Substation: Replace line relaying.”
2025-12-08 TEAC
Item 04 - ATSI Supplemental Projects p. 4
Lemoyne Substation Upgrades for MISO Tranche 2.1 “At Lemoyne Substation: Replace line relaying.”
2025-03-04 TEAC
Item 04 - ATSI Supplemental Project p. 4
Lemoyne Substation Upgrades for MISO Tranche 2.1 “At Lemoyne Substation: Replace line relaying”
2025-02-04 TEAC
Item 04 - ATSI Supplemental Project p. 4
Lemoyne Substation Upgrades for MISO Tranche 2.1 “work will be needed at the ATSI owned Lemoyne Substation”
345 kV
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 32
New 345 kV line between Lemoyne to Lake Ave “Associated yard work at Lemoyne and Lake Ave 345 kV substations”
345 kV
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 32
New 345 kV line between Lemoyne - Lake Ave “Associated yard work at Lemoyne and Lake Ave 345 kV substations”
345 kV
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 32
New 345 kV line between Bayshore to Davis Besse to Lake Ave No role wording
345kV
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 32
New 345 kV line between Bayshore to Davis Besse to Lake Ave New 345 kV line between Lemoyne to Lake Ave “Associated yardwork at existing Bay Shore, Davis Besse, Lemoyne and Lake Ave 345 kV substations”
345 kV
2024-11-06 TEAC
Item 13 - Reliability Analysis Update p. 58
Cluster 2 (ATSI) “Associated yard work at Lemoyne and Lake Ave 345 kV substations”
345 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