Zion 345kV (S55)
Zion 345kV is a 585.0 MW gas interconnection project in Lake, Illinois with a current status of operational.
585.0 MWCapacity
OperationalStatus
—Market
GasTechnology
Project facts
| Canonical name | Zion 345kV |
|---|---|
| Queue ID | S55 |
| Status | operational |
| Source status | In Service |
| Market | — |
| Technology | Gas |
| Capacity | 585.0 MW |
| State | Illinois |
| County | Lake |
| Point of interconnection | — |
| Requested (queue) date | 2007-06-06 |
| Proposed in-service date | — |
| Operational date | 2011-02-25 |
| Withdrawn date | — |
| Developer | — |
| Utility / transmission owner | ComEd |
Cross-source records
This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-07-29 | new_project | — | operational | high |
Explore related data
Source last checked2026-10-12
Data last materially changed2026-10-12
Page data generated2026-10-12
Provenance: PJM — new-services interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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