Do I Need a Permit to Install Solar Panels in Wyoming?
Solar panel permit requirements. Permits, inspections, utility interconnection, and available incentives.
Yes — both a building and electrical permit are required.
Wyoming-specific rules
Wyoming has no statewide building code (local enforcement is opt-in under W.S. § 35-9-121). Electrical work is different: under W.S. § 35-9-119, the State Fire Marshal's Chief Electrical Inspector enforces the National Electrical Code statewide by default, except in localities granted their own certified electrical authority. Confirm who issues your solar electrical permit — the state program or your jurisdiction.
Sources: Wyoming State Fire Marshal — statewide electrical enforcement (W.S. § 35-9-119)
Two Permits Required
Solar installations require a building permit (for structural mounting on your roof or ground) and an electrical permit (for wiring from panels to inverter to panel). Most solar installers handle the entire permitting process as part of their service.
Roof Access Requirements
Fire code requires 3-foot access pathways on the roof for firefighter access. Panels cannot cover the entire roof — specific setbacks from ridges, valleys, and edges are required. Your installer will design the layout to comply.
Utility Interconnection
Before your system can be energized and connected to the grid, you need an interconnection agreement with your local utility. This is separate from the city permit. Your installer typically handles this, but it can add 2-4 weeks to the timeline.
Incentives (Read This Carefully — They Change Often)
Solar incentives shift frequently and vary by state and utility, so don't rely on older guides. State tax credits and the federal residential Clean Energy Credit (the ITC, Section 25D) have changed eligibility windows in recent years, and some may no longer apply to new installations. Your utility may offer net-billing terms or limited rebates. Because programs change often, confirm exactly what is available the week you sign — and never let an installer's quote assume a credit that no longer exists.
Yes, permits are required but your solar installer handles them. Budget 5-14 days for permit review plus 2-4 weeks for utility interconnection.
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) → |