Checked
Clay County, SD Energy
Electric utilities, power plants and charging stations in Clay County, South Dakota.
- South Dakota home electricity
- 15.37¢/kWh
- July 2026
- Regular gas, region
- $4.15/gal
- Midwest (PADD 2)
- EV charging stations
- 2
- 3 ports
- Electric utilities
- 4
- Serving Clay County
Electric utilities serving Clay County
As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole South Dakota service area
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| Utility | Customers in state | Home price | Home bill |
|---|---|---|---|
| Southeastern Electric Coop Inc - (SD)Cooperative | 24,428 | 12.98¢/kWh | $151/mo |
| City of Vermillion - (SD)Municipal | 5,087 | Not reported | Not reported |
| Clay-Union Electric CorpCooperative | 3,917 | Not reported | Not reported |
| WAPA-- Western Area Power AdministrationFederal | 25 | Not reported | Not reported |
EV charging in Clay County
2 public stations, DC fast first
- Cov City Hall Princeton St
1314 Princeton Ave, Vermillion, SD 57069
1 DC fast · ChargePoint · CHAdeMO, CCS (J1772 Combo)
Power plants in Clay County
135 MW of operating capacity
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| Plant | Fuel | Capacity |
|---|---|---|
| Spirit Mound | Petroleum | 135 MW |
Electricity rates and gas prices are state or regional averages. Utility service areas come from EIA Form 861 and are listed by county, so a utility listed here may not serve every address in the county.
Frequently asked questions
- What electric company serves Clay County?
- Southeastern Electric Coop Inc - (SD), City of Vermillion - (SD), Clay-Union Electric Corp and 1 more report serving Clay County to EIA. Check your bill or address with the utility to confirm which one serves you.
- How many EV charging stations are in Clay County?
- There are 2 public EV charging stations in Clay County with 3 ports, 1 of them with DC fast charging.
- Are there power plants in Clay County?
- Yes. Clay County has 1 operating power plant with 135 MW of capacity. The largest is Spirit Mound (135 MW, petroleum).