Groton 345kV Substation (GEN-2017-199)
Groton 345kV Substation is a 202.0 MW battery interconnection project in Beadle, South Dakota with a current status of withdrawn. It is proposed to connect at Groton 345kV Substation.
202.0 MWCapacity
WithdrawnStatus
SDMarket
BatteryTechnology
Project facts
| Canonical name | Groton 345kV Substation |
|---|---|
| Queue ID | GEN-2017-199 |
| Status | withdrawn |
| Source status | WITHDRAWN |
| Market | SD |
| Technology | Battery |
| Capacity | 202.0 MW |
| State | South Dakota |
| County | Beadle |
| Point of interconnection | Groton 345kV Substation |
| Requested (queue) date | 2017-11-30 |
| Proposed in-service date | 2026-12-29 |
| Operational date | — |
| Withdrawn date | 2023-05-09 |
| Developer | — |
| Utility / transmission owner | BEPC |
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| 2026-07-31 | new_project | — | withdrawn | high |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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