Marysville
Named in 5 PJM planning documents for 7 projects, from November 6, 2024 to January 6, 2026.
Existingdescribed as
AEPzone
345 kV, 765 kV, 765kVkV as printed
7mentions
PJM interconnection queue
A PJM queue substation page has the same name: Marysville (OH, IN) — 9 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.
| Project | Status as printed | Cost estimate | In-service date | Customer load | As of |
|---|---|---|---|---|---|
| Marysville Substation Upgrades B3878.1 |
Not printed | $10M | 4/1/2029 | Not printed | 2025-01-07 TEAC |
| 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 |
| Marysville Substation Upgrades | Not printed | $10M | 4/1/2029 | Not printed | 2024-12-03 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 |
| Clusters AEP- 3, 4, 5 2024-W1-408 |
Not printed | $145.494 | 12/31/2028 | 1115MW | 2024-12-03 TEAC |
Every mention
| Date | Document | Project | What the document says about it |
|---|---|---|---|
| 2026-01-06 | TEAC Item 09 - Reliability Analysis Update p. 49 |
West Cluster Recommended Selection (2nd Read) | “existing 765 kV Marysville substation” 765 kV |
| 2025-01-07 | TEAC Item 12 - Reliability Analysis Update p. 40 |
Marysville Substation Upgrades | “upgrade the existing wave trap towards Sorenson at Marysville substation” 765kV |
| 2025-01-07 | TEAC Item 12 - Reliability Analysis Update p. 46 |
Clusters AEP- 3, 4, 5 | “Upgrade 3000A 345 kV breaker 'L2' along with associated terminal elements to 5000A at Marysville” 345 kV |
| 2024-12-03 | TEAC Item 11 - Reliability Analysis Update p. 62 |
Marysville Substation Upgrades | “Replace Marysville 765kV breakers B2 and B with 5000A 50KA breakers and upgrade the existing wave trap towards Sorenson at Marysville substation” 765kV |
| 2024-12-03 | TEAC Item 11 - Reliability Analysis Update p. 68 |
Clusters AEP- 3, 4, 5 | “Upgrade 3000A 345 kV breaker 'L2' along with associated terminal elements to 5000A at Marysville” 345 kV |
| 2024-11-19 | TEAC Item 1 - Reliability Analysis Update p. 30 |
Maliszewski 765/345 kV Upgrades | No role wording 345 kV |
| 2024-11-06 | TEAC Item 13 - Reliability Analysis Update p. 55 |
Clusters AEP- 3, 4, 5 (Shortlist) | No role wording 765 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
- Names are machine-extracted from PDFs by a language model. Every exported name was checked to be printed in the PDF text; names read only from maps or diagrams are excluded.
- An entry is a name within a transmission zone, not a verified physical facility. The same name in two zones is two entries; spelling variants are merged only when they differ by punctuation, case or a generic suffix such as "Substation".
- role is "new" only where a cited document phrase describes the substation as new or describes constructing it, "existing" where a phrase describes work at it, otherwise "unknown".
- Costs, dates, statuses and loads are the documents' own printed values for the most recent document that names the substation. Each one shipped here is printed on its cited page ("verification": "exact" or "on-page"); values that failed that check are withheld and counted in figures_withheld_unverified. None has been reviewed by a person.
- Zone is the transmission owner whose deck presented the project. PJM-SYSTEM marks names from PJM's own reliability decks, which span zones.
- A printed customer load is the amount a document states for a request. It says nothing about the substation's capability.