Checked
Washington County, IL Energy
Electric utilities, power plants and charging stations in Washington County, Illinois.
- Illinois home electricity
- 19.22¢/kWh
- July 2026
- Regular gas, region
- $4.15/gal
- Midwest (PADD 2)
- EV charging stations
- 1
- 2 ports
- Electric utilities
- 4
- Serving Washington County
Electric utilities serving Washington County
As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole Illinois service area
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| Utility | Customers in state | Home price | Home bill |
|---|---|---|---|
| Ameren Illinois CompanyInvestor Owned | 1,229,940 | 16.70¢/kWh | $148/mo |
| Tri-County Electric Coop, Inc (IL)Cooperative | 16,612 | 16.18¢/kWh | $201/mo |
| Egyptian Electric Coop AssnCooperative | 15,462 | 16.21¢/kWh | $196/mo |
| Clinton County Elec Coop, IncCooperative | 6,277 | Not reported | Not reported |
EV charging in Washington County
1 public stations, DC fast first
- Holzhauer Auto Truck Sales
17933 Holzhauer Automall Dr., Nashville, IL 62263
2 DC fast · Blink · CCS (J1772 Combo)
Alternative fuel stations
| Fuel | Stations |
|---|---|
| Biodiesel (B20 and above) | 1 |
Power plants in Washington County
1.8 GW of operating capacity
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| Plant | Fuel | Capacity |
|---|---|---|
| Prairie State Generating Station | Coal | 1.8 GW |
| Ashley Solar LLC PV | Solar | 5.0 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 Washington County?
- Ameren Illinois Company, Tri-County Electric Coop, Inc (IL), Egyptian Electric Coop Assn and 1 more report serving Washington County to EIA. Check your bill or address with the utility to confirm which one serves you.
- How many EV charging stations are in Washington County?
- There are 1 public EV charging stations in Washington County with 2 ports, 1 of them with DC fast charging.
- Are there power plants in Washington County?
- Yes. Washington County has 2 operating power plants with 1.8 GW of capacity. The largest is Prairie State Generating Station (1.8 GW, coal).