Three Mile Island
Named in 2 PJM planning documents for 2 projects, on November 6, 2024.
Not stateddescribed as
PPLzone
500 kV, 500kVkV as printed
2mentions
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 |
|---|---|---|---|---|---|
| PPL-2024-0001 | Conceptual | $244M | s3311.1, s3311.3, s3311.4, s3311.5, s3311.6. RIS 6/30/2026. s3311.2 RIS 6/1/2027 | 1,275 MW | 2026-09-08* SRRTEP Mid-Atlantic |
| PPL Transmission Zone: Baseline 2024-W1-935 |
Not printed | Not printed | 6/1/2029 | Not printed | 2024-11-06 TEAC |
Every mention
| Date | Document | Project | What the document says about it |
|---|---|---|---|
| 2026-09-08* | SRRTEP Mid-Atlantic PPL local plan submission for 2024 RTEP p. 29 |
PPL-2024-0001 | No role wording 500kV |
| 2024-11-06 | TEAC Item 13 - Reliability Analysis Update p. 51 |
PPL Transmission Zone: Baseline | No role wording 500 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.