EV Charging in Johnson County, Wyoming
2 charging stations across Johnson County — 8 DC fast chargers and 2 Level 2 ports spread across 1 smaller town.
Infrastructure Grade
A
80% DC Fast
Based on DC Fast Charger ratio
8 of 10 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 2
Ports per Station 5.0
Data Status
Current
Last updated: Nov 9, 2026
Data sourced from U.S. DOE AFDC
98% working at Wyoming · verified Nov 9, 2026
Cheapest Time to Charge an EV in Johnson County Today
Wyoming isn't part of a wholesale day-ahead electricity market, so there's no
live grid price curve here. The reliable rule still applies: charge during your
utility's overnight off-peak window, about ~12 AM - 6 AM.
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.
Charging by Town in Johnson County
1 smaller town in Johnson County, each with its full station list.
Buffalo · 2 stations
Buffalo, WY has 2 EV charging stations with 10 ports, including 8 DC fast. Tesla Destination leads local coverage.
Quality Inn Buffalo - Tesla Destination
75 N Bypass Rd Tesla Destination Level 2 2 ports Tesla
Data sourced from the US DOE Alternative Fuels Station Locator (AFDC), maintained by NREL.
Last synced: November 9, 2026