New Underwood Substation 115 kV (GEN-2017-096)
New Underwood Substation 115 kV is a 25.0 MW solar interconnection project in Pennington County, South Dakota with a current status of withdrawn. It is proposed to connect at New Underwood Substation 115 kV.
25.0 MWCapacity
WithdrawnStatus
SDMarket
SolarTechnology
Project facts
| Canonical name | New Underwood Substation 115 kV |
|---|---|
| Queue ID | GEN-2017-096 |
| Status | withdrawn |
| Source status | WITHDRAWN |
| Market | SD |
| Technology | Solar |
| Capacity | 25.0 MW |
| State | South Dakota |
| County | Pennington County |
| Point of interconnection | New Underwood Substation 115 kV |
| Requested (queue) date | 2017-05-30 |
| Proposed in-service date | — |
| Operational date | — |
| Withdrawn date | 2017-12-14 |
| Developer | — |
| Utility / transmission owner | WAPA/BEPC/HCPD Integrated System |
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 |
|---|---|---|---|---|
| 2026-07-31 | new_project | — | withdrawn | high |
Explore related data
Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: 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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