Substation Scout

Maliszewski

Named in 9 PJM planning documents for 9 projects, from November 6, 2024 to October 6, 2026.

Existingdescribed as
AEPzone
138 kV, 345 & 138 kV, 765 kV, 765/345 kVkV as printed
11mentions

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
Clusters AEP- 3, 4, 5
b3919.1
Not printed $145.494 M 12/31/2028 1.4GW 2025-01-07
TEAC
West Cluster Recommended Selection (2nd Read)
b4068.1
Not printed $2,768.0M 10/1/2032 Not printed 2026-01-06
TEAC
Clusters AEP- 3, 4, 5 (Shortlist) Not printed Not printed Not printed Not printed 2024-11-06
TEAC
Maliszewski 765/345 kV Upgrades Not printed 145.494 Not printed Not printed 2024-11-19
TEAC
Maliszewski-Polaris Rebuild Not printed 8.884 Not printed Not printed 2024-11-19
TEAC
Maliszewski Series Reactor Upgrades Not printed 2.328 Not printed Not printed 2024-11-19
TEAC
Maliszewski, OH
AEP-2024-OH045
Not printed Not printed 6/1/2026 approximately 25 MW 2024-12-13
SRRTEP Western
Maliszewski Station Improvements
AEP-2026-OH008 · s4025.1-4
Conceptual $12.57 M 09/15/2027 25 MW 2026-10-06
TEAC
Clusters AEP- 3, 4, 5
2024-W1-408
Not printed $145.494 12/31/2028 1115MW 2024-12-03
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 late 2027 → 09/15/2027 2026-03-19 2026-07-17
Substations named MALIZSEWSKI → HYATT; MALISZEWSKI; POLARIS 2026-03-19 2026-07-17

Every mention

DateDocumentProjectWhat the document says about it
2026-10-07* SRRTEP Western
AEP local plan submission of the supplemental projects for 2026 RTEP p. 101
Maliszewski Station Improvements “Install five new 138 kV, 63 kA circuit breakers to accommodate the new distribution transformer at Maliszewski station”
138 kV
2026-10-06 TEAC
Informational Only - AEP Local Plan Submission of the Supplemental Projects for 2026 p. 102
Maliszewski Station Improvements “Install five new 138 kV, 63 kA circuit breakers to accommodate the new distribution transformer at Maliszewski station”
138 kV
2026-07-17 SRRTEP Western
Item 04 - AEP Supplemental Projects p. 10
Maliszewski Station Improvements “Install five new 138 kV, 63 kA circuit breakers to accommodate the new distribution transformer at Maliszewski station”
138 kV
2026-01-06 TEAC
Item 09 - Reliability Analysis Update p. 52
West Cluster Recommended Selection (2nd Read) “Rebuild 5.25 mile section of the 345 kV circuit from Hyatt Station to Maliszewski Station”
345 & 138 kV
2025-01-07 TEAC
Item 12 - Reliability Analysis Update p. 45
Clusters AEP- 3, 4, 5 “Reconfigure Maliszewski 765 kV station”
765 kV
2024-12-13 SRRTEP Western
Item 17 - AEP Supplemental Projects p. 9
Maliszewski, OH “delivery at Maliszewski station”
2024-12-03 TEAC
Item 11 - Reliability Analysis Update p. 67
Clusters AEP- 3, 4, 5 “Reconfigure Maliszewski 765 kV station from 2 breakers to a 6 breaker ring bus”
765 kV
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 30
Maliszewski 765/345 kV Upgrades “Establish a 345 kV yard at the existing Maliszewski station”
765/345 kV
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 30
Maliszewski Series Reactor Upgrades “Replace the existing 138 kV series reactor at Maliszewski station”
138 kV
2024-11-19 TEAC
Item 1 - Reliability Analysis Update p. 30
Maliszewski-Polaris Rebuild No role wording
138 kV
2024-11-06 TEAC
Item 13 - Reliability Analysis Update p. 55
Clusters AEP- 3, 4, 5 (Shortlist) “Establish a 345 kV yard at the existing Maliszewski station”
765/345 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