Do I Need a Permit to Install an EV Charger in Wyoming?
EV charger installation permit requirements. Level 1 vs Level 2, panel capacity, and available rebates.
Level 2 (240V) chargers yes. Level 1 (120V plug-in) no.
Wyoming-specific rules
In Wyoming, EV-charger electrical work is enforced statewide by default under the National Electrical Code by the State Fire Marshal's Chief Electrical Inspector (W.S. § 35-9-119), except in localities granted their own certified electrical authority. Wyoming has no statewide building code (local enforcement is opt-in under W.S. § 35-9-121) — confirm who issues your electrical permit.
Sources: Wyoming State Fire Marshal — statewide electrical enforcement (W.S. § 35-9-119)
Level 1 vs Level 2
Level 1 chargers plug into a standard 120V outlet and do not require a permit. Level 2 chargers require a dedicated 240V circuit (usually 40-50 amps) and always require an electrical permit. Level 2 is what most EV owners install for practical daily charging speeds.
Panel Capacity
A Level 2 EV charger draws 40A and requires a 50A breaker. Many older homes have 100A or 150A panels that may not have capacity. If your panel is full, you'll need a sub-panel or panel upgrade ($1,500-$3,000 additional). An electrician can do a load calculation to determine if your current panel can handle it.
Installation Location
Most home EV chargers are installed in the garage, near the electrical panel. Longer runs from the panel to the charger increase wire cost. Outdoor installations require a weatherproof-rated charger (NEMA 4 or 4X enclosure).
Rebates and Incentives
Many utilities offer rebates for residential EV charger installations. Federal tax credits may also apply. Check current programs with your utility before installation — rebates often require pre-approval and may have specific equipment requirements.
Level 2 chargers need an electrical permit ($40-$75). Fast approval, one inspection. Check for utility rebates first.
Permit fees by city in Wyoming
Verified from each city’s published fee schedule. Where a city has no separate fee listed for this project, open the city page for the current requirements and amount.
| City | Permit fee | Source |
|---|---|---|
| Casper | $35Verified | Electrical Permit → |
| Cheyenne | Same valuation-based table as the general Building and Construction Permit Fee (see residential-building-permit fees) — e.g., $23.50 for $1–$500 valuation, scaling up per the Ordinance 4254 tableVerified | Electrical Permit → |
| Evanston | $50.00Verified | Electrical Permit (State Program) → |
| Gillette | $10.00Verified | Electrical Permit → |
| Green River | No separate flat electrical permit fee is published; electrical work is charged via the same valuation table as the Building Permit (residential work at 50% of the table; commercial/multi-family at 100%)Verified | Electrical Permit → |
| Jackson | $37.00 (up to $500) rising in defined valuation bands to $568.00 (at $24,000.01-$25,000)Verified | Electrical Permit → |
| Laramie | $23.50Verified | Electrical Permit → |
| Riverton | $52.00 minimumVerified | Electrical Permit → |
| Rock Springs | Charged under the general § 150.08(B) valuation-based building-permit fee schedule — no separate dedicated electrical fee line is published in the Municipal CodeVerified | Electrical Permit → |
| Sheridan | $40.00Verified | Electrical Permit → |
| Unincorporated Albany County | $300.00Verifiedvia Zoning Certificate & Rural Address (county's "Building Permit" stand-in) | Zoning Certificate & Rural Address (county's "Building Permit" stand-in) → |
| Unincorporated Campbell County | No feeVerified | Electrical Permit → |
| Unincorporated Fremont County | $50.00Verified | Electrical Wiring Permit (State Program) → |
| Unincorporated Laramie County | Charged under the general valuation-based Building Permit Fee / Plan Review Fee schedule (2022 Building and Plan Review Fee Schedule) — there is no dedicated flat electrical-permit fee line on the county's adopted scheduleVerified | Electrical Permit → |
| Unincorporated Natrona County | $70 (valuation $0–$2,500) up to $905 plus $9.24 per additional $1,000 over $98,000Verified | Electrical Permit → |
| Unincorporated Sheridan County | $50.00 (temporary/90-day permit: $40.00)Verified | Electrical Permit (State Program) → |
| Unincorporated Sweetwater County | $50Verified | Electrical Wiring Permit (State Program) → |
| Unincorporated Teton County | Set and collected by Jackson Hole Fire/EMS Electrical Division — not published in the County Planning & Building fee scheduleVerified | Electrical Permit → |
| Unincorporated Uinta County | $50.00 (waived if inspection fee is paid)Verified | Electrical Permit (State Program) → |