EV Charging in Johnson County, Arkansas
1 charging station across Johnson County — 4 DC fast chargers and 0 Level 2 ports spread across 1 smaller town.
Infrastructure Grade
A
100% DC Fast
Based on DC Fast Charger ratio
4 of 4 ports
How is this graded?
Based on DC Fast Charger ratio:
- A: 40%+ DC Fast ports
- B: 30–39%
- C: 20–29%
- D: 10–19%
- F: Under 10%
Density Metrics
Total Stations 1
Ports per Station 4.0
Data Status
Current
Last updated: Aug 24, 2026
Data sourced from U.S. DOE AFDC
97% working at Arkansas · verified Aug 21, 2026
Cheapest Time to Charge an EV in Johnson County Today
The cheapest, greenest grid window across Johnson County today is
7 AM – 10 AM CDT,
based on MISO day-ahead wholesale prices.
On a time-of-use plan, your off-peak rate runs about ~12 AM - 6 AM.
Cheapest grid window
7 AM – 10 AM
CDT · MISO
TOU off-peak anchor
~12 AM - 6 AM
Works on any time-of-use plan
Wholesale day-ahead prices via the open-source gridstatus library, refreshed daily. Compare every US grid region →
Charging by Town in Johnson County
1 smaller town in Johnson County, each with its full station list.
Clarksville · 1 station
Clarksville, AR has 1 EV charging station with 4 ports, including 4 DC fast. Electrify America leads local coverage.
Walmart 66 (Clarksville, AR)
230 Market Street Electrify America DC Fast 4 ports CHAdeMO + CCS/SAE Combo
Data sourced from the US DOE Alternative Fuels Station Locator (AFDC), maintained by NREL.
Last synced: August 21, 2026