Slate Substation 345kV (S1020)
Slate Substation 345kV is a 100.0 MW generation interconnection project in Gratiot, Michigan with a current status of operational. It is proposed to connect at Slate Substation 345kV.
100.0 MWCapacity
OperationalStatus
—Market
GenerationTechnology
Project facts
| Canonical name | Slate Substation 345kV |
|---|---|
| Queue ID | S1020 |
| Status | operational |
| Source status | Done |
| Market | — |
| Technology | Generation |
| Capacity | 100.0 MW |
| State | Michigan |
| County | Gratiot |
| Point of interconnection | Slate Substation 345kV |
| Requested (queue) date | 2022-04-25 |
| Proposed in-service date | 2023-09-01 |
| Operational date | 2023-09-01 |
| Withdrawn date | — |
| Developer | — |
| Utility / transmission owner | METC |
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 checked2026-08-28
Data last materially changed2026-08-28
Page data generated2026-08-28
Provenance: MISO — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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