← Overview

How the Wyoming legislature works

Republican trifecta

Full session in odd years, budget session in even years.

Senate · 31 seats Republican
House · 62 seats Republican
Governor Republican

2026 Legislative Session — Summary

High-level counts of bills & resolutions this session

3
Total Bills
0
Signed/Enacted
0
In progress
3
Did not pass

All Time — Summary

High-level counts of all bills & resolutions on record

13
Total
6
Signed/Enacted
0
In progress
7
Did not pass

Generation Mix

2025 · EIA

46.2 TWh total

46,225GWh generated in state

Consumes ~19,682 GWh · net exporter — 52% of generation is sent out of state. Chart shows in-state generation, not the consumption mix.

Market Structure

Regulated / Vertically Integrated
13.38¢
Residential/kWh
▼ 23%
9.54¢
Commercial/kWh
▼ 29%
8.66¢
Industrial/kWh
▲ 0%
▲/▼ vs US average (2025)

2026 Legislative Session

Session
2026 Regular Session
Start Date
2026-02-09
End Date
2026-03-06
Status
Concluded
Next regular session convenes January 12, 2027

Enacted Legislation

All bills and resolutions signed or enacted in Wyoming

HB 131Signed2022
Nuclear power generation and storage-amendments.

This bill adds a conditional requirement for nuclear power generation in the state by mandating that nuclear power can only be authorized if a long-term storage facility for nuclear waste has already been sited and permitted. The amendment essentially creates a prerequisite that addresses nuclear wa…

Facility Operations/Decommissioning · New Reactor Authorization
2022-03-21
SF 3Signed2022
Radioactive materials transport fee.

This bill consolidates and increases Wyoming's emergency response fee for transporting radioactive materials through the state, raising it from $200 to $450 per package. The legislation eliminates duplicate fee provisions by establishing a single fee collection point through the Department of Transp…

Waste Storage & Repository · Transportation
2022-03-15
SF 85Signed2020
Uranium taxation rates.

This bill modifies uranium taxation rates by shortening the timeframe for certain tax provisions from 2031 to 2026, effectively accelerating the sunset date by five years. The amendment changes the expiration date for specific uranium tax rates or exemptions that were originally scheduled to remain…

Financial Incentives · Tax Credits
2020-03-17
HB 74Signed2020
Small modular nuclear reactor permitting.

This bill modifies regulations governing small modular nuclear reactors by allowing multiple small reactors to work together at a single site, rather than restricting facilities to just one reactor unit. The legislation removes the previous 300-megawatt cap on individual reactor capacity while maint…

Licensing & Regulation · Licensing/Permitting
2020-03-13
HB 11Signed2019
Nuclear regulatory agreement-conforming amendment.

2019/Summaries/HB0011.pdf

Licensing & Regulation · NRC Authority
2019-02-14
SF 6Enacted2017
Radioactive waste storage facilities-amendments.

AN ACT relating to radioactive waste storage facilities; increasing the initial application deposit amount; authorizing the director to apply for other funds as specified; amending deadlines and public hearing requirements for reports for the siting of high-level radioactive waste storage facilities…

Waste Storage & Repository · Geologic Repository
2017-03-06
S.F. 23Enacted2016
S.F. 23

Enters applicable state agencies into NRC agreement authorization to regulate certain nuclear adjacent commodities.

Uncategorized
H.B. 27Enacted2015
H.B. 27

Enters applicable state agencies into NRC agreement authorization to regulate certain nuclear adjacent commodities.

Uncategorized
S.F. 12Enacted2012
S.F. 12

Directs the Taskforce on Nuclear Energy Production to study a variety of nuclear energy issues with the primary goal of incentivizing the development of new facilities within the state.

Uncategorized
S.F. 14Enacted2012
S.F. 14

Directs the Wyoming Business Council to partner with the Department of Energy to study the feasibility of locating advanced nuclear facilities within the state.

Uncategorized
H.B. 129Enacted2011
H.B. 129

Creates a task force on nuclear energy production to study ways to encourage nuclear power in Wyoming including tax incentives, water rights, public-private partnerships, state laws, storage and reprocessing technologies, and higher education. State Legislation and Regulations Supporting Nuclear Ene…

Uncategorized