Relating to: a nuclear power siting study and time limits for taking final action on certain certificate of public convenience and necessity applications. (FE)
SB 125 requires the state to conduct a study on nuclear power and fusion energy siting, including reviewing approval timelines for small modular reactor projects. It mandates the state commission to engage with federal regulators to identify ways to streamline both federal and state permitting processes for advanced nuclear reactors. The bill also sets a new 19th-day deadline for final decisions on certain utility certificate applications (previously 13th), and directs the commission to assess methods for speeding up approvals for large nuclear facilities. This bill directly affects developers of nuclear and fusion energy projects seeking state permits and approvals.
Bill status
signed
all 5 stages cleared
Introduction
Mar 2025
Committee Review
May 2025
Senate Passage
May 2025
Assembly Passage
Jun 2025
Signed into Law
Jul 2025
Introduced Mar 14, 2025
Signed Jul 3, 2025
Floor votes · Senate May 15, 2025
How they voted
29–5
Passed
Total votes 34
May 15, 2025
D
Democratic16
75% Yea
R
Republican18
94% Yea
Vote distribution
All Yea
All Nay
Mixed
No data
Full legislative history
Actions timeline
Total actions
40
Key actions
6
Committee
2
Amendments
5
Jul 3, 2025
Signed into law
Report approved by the Governor on 7-2-2025. 2025 Wisconsin Act 12
upper
Jun 24, 2025
Lower · Passed
Read a third time and concurred in
lower
May 15, 2025
Upper · Passed
Read a third time and passed, Ayes 28, Noes 5
upper
May 15, 2025
Committee
Referred to joint committee on Finance
upper
May 15, 2025
Introduced
Point of order that Senate Substitute Amendment 1 was not germane well taken
upper
May 15, 2025
Upper · Passed
Senate Amendment 1 adopted
upper
May 15, 2025
Introduced
Senate Substitute Amendment 1 offered by Senators Larson, Carpenter, Roys, Drake, Dassler-Alfheim, Habush Sinykin, Smith and Spreitzer
upper
May 6, 2025
Upper · Passed
Report passage as amended recommended by Committee on Utilities and Tourism, Ayes 5, Noes 0
upper
May 6, 2025
Upper · Passed
Report adoption of Senate Amendment 1 recommended by Committee on Utilities and Tourism, Ayes 5, Noes 0
upper
Apr 28, 2025
Introduced
Senate Amendment 1 offered by Senator Bradley
upper
Mar 14, 2025
Introduced
Introduced by Senators Bradley, Feyen and Wanggaard;
cosponsored by Representatives Sortwell, Steffen, Wittke, Callahan, Dittrich, Green, Gustafson, Knodl, Moses, Murphy, Mursau, O'Connor, Snyder, Spiros, Subeck, Tusler, Zimmerman and Wichgers
upper
3 primary · 0 co-sponsors
Sponsors
Role
Legislator
Party
State
District
P
Dan Feyen
RRepublican
P
Julian Bradley
RRepublican
P
Van Wanggaard
RRepublican
Ask Maddy
·
AI policy assistant
Ask Maddy about SB 125
Scope: WI
Hi! I can help you understand SB 125. What would you like to know?
Try one of these
i
Maddy answers using official bill text and legislative records. Always verify before sharing.
Sources cited inline