Electricity Laws and Incentives in Wyoming

The list below contains summaries of all Wyoming laws and incentives related to electricity.

Laws and Regulations

Alternative Fuel Definition

Alternative fuels are defined as pure methanol, ethanol and other blends of at least 85% alcohol, natural gas, propane, coal-derived liquid fuels, hydrogen, electricity, pure biodiesel, renewable diesel, fuels other than alcohol that are derived from biological materials, and P-series fuels. Biodiesel is defined as mono-alkyl esters of long chain fatty acids derived from vegetable oils or animal fats that meets current ASTM biodiesel standards.

(Reference Wyoming Statutes Annotated 39-17-301)

Alternative Fuel Tax Rate

Beginning in January 2026, a license tax of $0.24 per gasoline gallon equivalent (GGE) or diesel gallon equivalent (DGE) is collected on all alternative fuel used, sold, or distributed for sale or use in Wyoming. Alternative fuels include compressed natural gas (CNG), liquefied natural gas (LNG), propane, electricity, and renewable diesel. For taxation purposes, one GGE of CNG is equal to 5.66 pounds (lbs.), one DGE of LNG is equal to 6.06 lbs., one GGE of propane is equal to 1.35 gallons, and one GGE of electricity is equal to 33.56 kilowatt-hours. For more information, refer to the Wyoming Department of Transportation Tax Rates website.

(Reference Wyoming Statutes 39-17-104, 39-17-204, 39-17-303, and 39-17-304)

Electric Vehicle (EV) Decal Fee

Owners of EVs must pay an annual decal fee of $200. Multipurpose vehicles and motorcycles are exempt. Multipurpose vehicles are defined as having at least four wheels, an unladen weight of at least 300 pounds (lbs.) but less than 3,000 lbs., a permanent upright seat or saddle for the driver which is mounted at least 24 inches from the ground, and an identifying number.

(Reference House Bill 0166, 2019, Wyoming Statutes 39-17-301 (a) and 31-3-102 (a) (xxiii), and Wyoming Statutes 39-17-301 (a) and 31-3-102 (a) (xxiii))

Public Utility Definition

An entity that owns, operates, leases, or controls electric vehicle charging stations is not defined as a public utility.

(Reference Wyoming Statutes 37-1-101)

State Incentives

Medium- and Heavy-Duty (MHD) Vehicle Replacement Grant

The Wyoming Department of Environmental Quality (DEQ) offers grants to city and county governments to replace medium- and heavy-duty trucks and transit buses with new diesel or alternative fuel vehicles. Applicants may receive grant funding worth up to 40% of the final purchase price of new equipment. The program is funded by Wyoming’s portion of the Volkswagen (VW) Environmental Mitigation Trust and the Diesel Emissions Reduction Act. For more information, including funding amounts and application deadlines, see the DEQ Diesel Replacement Application website.

School Bus Replacement Grant

The Wyoming Department of Environmental Quality (DEQ) offers grants for the early replacement of diesel school buses with qualifying new diesel or alternative fuel buses. Applicants may receive grant funding worth up to 25% of the new school bus purchase price. The program is funded by Wyoming’s portion of the Volkswagen (VW) Environmental Mitigation Trust and the Diesel Emissions Reduction Act. For more information, including program guidance and application deadlines, see the DEQ School Bus Replacement Program website.

Wyoming's National Electric Vehicle Infrastructure (NEVI) Program

The U.S. Department of Transportation’s (DOT) NEVI Formula Program required the Wyoming Department of Transportation (WYDOT) to submit an annually updated EV Infrastructure Deployment Plan (Plan) for fiscal years 2022 through 2026 to their FHWA Division Office, describing how the state intended to distribute NEVI funds and their physical and cybersecurity strategies, and including a Community Engagement Outcomes Report. The submitted plans must address updated NEVI guidance.

For more information about Wyoming’s NEVI planning process, see the WYDOT NEVI program website.

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