Substation Scout

Davis Besse

Named in 6 PJM planning documents for 7 projects, from November 6, 2024 to January 16, 2026.

Existingdescribed as
ATSIzone
345 kV, 69 kVkV as printed
10mentions

Also printed as: Davis-Besse

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
Rebuild/Reconductor existing 138 kV lines/Terminal upgrades at 345 kV substations Not printed 265.1 Not printed Not printed 2024-11-19
TEAC
Bayshore – Davis Besse 345 kV Line
ATSI-2024-019 · s3716.1
Not printed $21.12M 05/28/2027 Not printed 2025-10-08
TEAC
New Departure 345 kV Customer Connection
ATSI-2024-056 · s3660.1
Not printed $99.1 M November 28, 2029 Not printed 2025-10-08
TEAC
Toussaint 138 kV Substation
ATSI-2026-014
Not printed Not printed Not printed 25 MW 2026-01-16
SRRTEP Western

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. 31
New Departure 345 kV Customer Connection “Upgrade relaying/adjust relay settings at Davis Besse and Hayes substations”
345 kV
2026-09-08* SRRTEP Western
ATSI local plan submission of the supplemental projects for 2025 RTEP p. 46
Bayshore – Davis Besse 345 kV Line “At Bayshore and Davis Besse substations: ▪ Replace line relaying”
345 kV
2026-01-16 SRRTEP Western
Item 04 - ATSI Supplemental Projects p. 14
Toussaint 138 kV Substation No role wording
69 kV
2025-10-08 TEAC
Informational Only - ATSI Local Plan Submission of the Supplemental Projects for 2025 p. 31
New Departure 345 kV Customer Connection “Upgrade relaying/adjust relay settings at Davis Besse and Hayes substations”
345 kV
2025-10-08 TEAC
Informational Only - ATSI Local Plan Submission of the Supplemental Projects for 2025 p. 46
Bayshore – Davis Besse 345 kV Line “At Bayshore and Davis Besse substations: § Replace line relaying”
345 kV
2025-07-08 TEAC
Item 03 - ATSI Supplemental Projects p. 8
Bayshore – Davis Besse 345 kV Line “At Bayshore and Davis Besse substations: § Replace line relaying”
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 32
Rebuild/Reconductor existing 138 kV lines/Terminal upgrades at 345 kV substations “Upgrade terminal equipment at Beaver, Davis Besse & Bayshore 345 kV substation”
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 “existing Bayshore - Davis-Besse 345 kV line”
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 New 345 kV line between Lemoyne to Lake Ave “existing Bayshore - Davis-Besse line”
345 kV
2024-11-06 TEAC
Item 13 - Reliability Analysis Update p. 58
Cluster 2 (ATSI) “Upgrade terminal equipment at Beaver, Davis Besse & Bayshore 345 kV substation”
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