Montana legislation · 2025 Regular Session
Montana HB939: Revise laws relating to wind turbine generators
Status: Signed into law, May 19, 2025
What the bill says
An act providing for setbacks for wind turbine generators; establishing a wind turbine generator deicing standard; and providing a delayed effective date.
From the engrossed text:
AN ACT PROVIDING FOR SETBACKS FOR WIND TURBINE GENERATORS; ESTABLISHING A WIND TURBINE GENERATOR DEICING STANDARD; AND PROVIDING A DELAYED EFFECTIVE DATE. Section 1. Required setback for wind turbine generators. After [the effective date of this act], a wind turbine generator built pursuant to a wind energy agreement as described in 70-17-406 may not be constructed if the wind turbine tower is 500 feet or more in height, as measured from the natural ground level at the base of the tower to the tip of the turbine rotor blade, if the base of the tower is located at a distance of less than 1,500 feet from an occupied residence, unless a shorter setback distance is approved by the owner of the real property. Section 2. Wind turbine generator deicing -- requirement. After [the effective date of this act], a wind turbine generator shall use commercially reasonable efforts to mitigate icing risks during an operatorcontrolled turbine rotor blade deicing process if the wind turbine generator is: (1) 500 feet or more in height, as measured from the natural ground level at the base of the tower to the tip of the turbine rotor blade; (2) constructed within an area with an ice class rating of 4 or more, as defined in international energy agency guidelines published in February 2017; and (3) …
Sponsors
- Zolnikov, Katie (R, 44) · primary sponsor
Latest actions
- : Chapter Number Assigned
- : (H) Signed by Governor
- : (H) Transmitted to Governor
- : (S) Signed by President
- : (H) Signed by Speaker
- : (H) Returned from Enrolling
- : (H) Sent to Enrolling
- : (H) 3rd Reading Senate Amendments
- : (H) Scheduled for 3rd Reading
- : (H) 2nd Reading Senate Amendments
Votes
- Do Concur (April 28, 2025): 98 yea, 2 nay, passed
- Do Concur (April 25, 2025): 100 yea, 0 nay, passed
- Do Concur (April 23, 2025): 38 yea, 12 nay, passed
- Do Concur As Amended (April 18, 2025): 39 yea, 11 nay, passed
- AMD-HB0939.002.001 Zolnikov D/PASS (April 18, 2025): 46 yea, 4 nay, passed
- ReconsAction -Zolnikov (April 17, 2025): 45 yea, 2 nay, passed
Subjects: Energy, Revenue, State, Utilities
Common questions
- What is HB939?
- HB939 is a bill in the Montana Legislature (2025 Regular Session): Revise laws relating to wind turbine generators.
- What does HB939 do?
- In its own words: An act providing for setbacks for wind turbine generators; establishing a wind turbine generator deicing standard; and providing a delayed effective date.
- What is the status of HB939?
- Signed into law as of May 19, 2025. Latest action: Chapter Number Assigned (May 19, 2025).
- Who sponsored HB939?
- Zolnikov, Katie (R, 44).
- Where is the official record for HB939?
- On the Montana Legislature website: https://bills.legmt.gov/#/laws/bill/2/LC0739
Source: official Montana record. Tracked by Delilah, AI for legislation across all 50 states and Congress.