← Overview

How the Montana legislature works

Republican trifecta

Regular session only in odd-numbered years (biennial); next regular session 2027.

Senate · 50 seats Republican
House · 100 seats Republican
Governor Republican

2026 Legislative Session — Summary

High-level counts of bills & resolutions this session

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

All Time — Summary

High-level counts of all bills & resolutions on record

18
Total
4
Signed/Enacted
0
In progress
14
Did not pass

Generation Mix

2025 · EIA

28.5 TWh total

28,503GWh generated in state

Consumes ~16,424 GWh · net exporter — 39% of generation is sent out of state. Chart shows in-state generation, not the consumption mix.

Market Structure

Regulated / Vertically Integrated
12.98¢
Residential/kWh
▼ 25%
11.88¢
Commercial/kWh
▼ 11%
7.02¢
Industrial/kWh
▼ 19%
▲/▼ vs US average (2025)

Legislation

0 bills introduced in 2026

No bills tracked for 2026.

Enacted Legislation

All bills and resolutions signed or enacted in Montana

HB 623Enacted2025
Revise laws relating to nuclear energy

This bill makes revisions to existing laws that govern nuclear energy. The specific nature of these revisions is not detailed in the title or description provided.

Licensing & Regulation · Regulatory Modernization/Streamlining
2025-05-19
HB 696Enacted2025
Revise laws relating to nuclear energy

This bill would revise existing laws that govern nuclear energy, though the specific changes are not detailed in the title and description provided. Without additional information about which laws would be modified or what revisions are proposed, the full scope and impact of this legislation cannot…

Licensing & Regulation · Regulatory Modernization/Streamlining
2025-05-13
HB 273Signed2021
Eliminate restrictions on nuclear facility development

Removes a provision in the Montana Major Facility Siting Act which required the public to approve any proposed nuclear energy facilities through a statewide election. State Legislation and Regulations Supporting Nuclear Energy Updated as of March 2026 [NEI]: Removes a provision in the Montana Major…

Licensing & Regulation · Regulatory Modernization/Streamlining
2021-05-07
HB 307Signed2017
Create statutory appropriation for radioactive waste account

Generally revise laws related to licensing donations for disabled veterans

Waste Storage & Repository · Interim Storage
2017-03-31
H.B. 696Enacted2025
H.B. 696

# H.B. 696 Analysis H.B. 696 proposes revisions to existing state laws that govern nuclear energy. Without access to the full bill text, the specific nature of these revisions cannot be determined from the title alone. The bill may address regulatory frameworks, licensing procedures, safety standard…

Uncategorized
H.B. 623Enacted2025
H.B. 623

# H.B. 623 Analysis H.B. 623 proposes revisions to existing state laws that govern nuclear energy. Without access to the full bill text, the specific changes being made cannot be determined from the title and summary alone. The bill may address regulatory frameworks, safety standards, licensing proc…

Uncategorized
House Joint Resolution 17Enacted2025
House Joint Resolution 17

Urges Congress to implement legislation that reforms federal permitting and environmental reviews related to the deployment of modern energy infrastructure. This includes the buildout of solar, wind, nuclear, hydrogen, and battery storage.

Uncategorized