Day County, South Dakota — Interconnection Projects
The interXdata warehouse tracks 8 interconnection projects in Day, South Dakota, representing 1,168 MW of requested capacity.
8Total projects
0Active
2Operational
6Withdrawn
1,168 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Wind | 7 | 1,105 MW |
| Battery | 1 | 63 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Ellendale 345 - Twin Brooks 345.0kV | J3279 | Wind | 300.0 MW | withdrawn | Day, South Dakota |
| Ellendale - Twin Brooks 345.0kV | J3468 | Wind | 300.0 MW | operational | Day, South Dakota |
| Big Stone to Ellendale (BS3ELR) 345kV (J933) | J1521 | Wind | 199.5 MW | withdrawn | Day, South Dakota |
| Groton 345 kV substation | GEN-2019-060 | Wind | 150.0 MW | withdrawn | Day, South Dakota |
| Day County Wind LLC | 57194_GE15 | Wind | 99.0 MW | operational | Day, South Dakota |
| Huron 230kV station | GEN-2019-032 | Battery | 63.1 MW | withdrawn | Day, South Dakota |
| West Queue Project GI-0302 — Wind in Day, South Dakota | GI-0302 | Wind | 49.0 MW | withdrawn | Day, South Dakota |
| Groton 115 kV substation | GEN-2016-164 | Wind | 7.9 MW | withdrawn | Day, South Dakota |
Top developers
Developer attribution is not yet resolved for this set.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; MISO — generator interconnection queue; Southwest Power Pool — 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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