Big Stone South 230kV Substation (J722)
Big Stone South 230kV Substation is a 200.0 MW wind interconnection project in Codington County,Deuel County, South Dakota with a current status of withdrawn. It is proposed to connect at Big Stone South 230kV Substation.
200.0 MWCapacity
WithdrawnStatus
—Market
WindTechnology
Project facts
| Canonical name | Big Stone South 230kV Substation |
|---|---|
| Queue ID | J722 |
| Status | withdrawn |
| Source status | Withdrawn |
| Market | — |
| Technology | Wind |
| Capacity | 200.0 MW |
| State | South Dakota |
| County | Codington County,Deuel County |
| Point of interconnection | Big Stone South 230kV Substation |
| Requested (queue) date | 2017-06-16 |
| Proposed in-service date | 2021-09-15 |
| Operational date | 2021-09-15 |
| Withdrawn date | 2026-08-28 |
| Developer | — |
| Utility / transmission owner | Otter Tail Power Company |
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 |
|---|---|---|---|---|
| 2026-09-05 | withdrawn_date | — | 2026-08-28 | high |
| 2026-09-05 | status | operational | withdrawn | high |
| 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: 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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