Wisconsin 2025-2026 Regular Session

Wisconsin Senate Bill SB729

Introduced
12/2/25  
Refer
12/2/25  

Caption

An Act to amend 16.957 (2) (d) 3., 25.96 and 238.40 (2) (b); to create 16.296, 16.957 (2) (a) 5., 20.505 (1) (gj), 66.0443, 101.028, 103.08, 196.03 (7), 196.03 (8), 196.493, 196.498, 238.40 (1) (am) and 238.40 (1) (b) 3. of the statutes; Relating to: large energy customer fees; electric utility very large customer class; a renewable resource tariff; building requirements for data centers; water usage by large customers; required pay rate on large-scale data center projects; and granting rule-making authority. (FE)

Impact

If enacted, SB729 will significantly affect state laws regulating energy consumption and labor in the construction sector. The bill requires large energy customers to pay annual fees proportional to their electricity demand, contributing to a fund dedicated to promoting energy efficiency and renewable resources. Furthermore, it mandates reporting on energy and water usage at the state level, enhancing transparency and resource management for large data centers. The Public Service Commission will play a crucial role in defining 'very large customers' and adjusting tariffs to ensure fairness and accountability.

Summary

Senate Bill 729 introduces regulations concerning large-scale data centers and large energy customers in Wisconsin. It stipulates that laborers involved in constructing or refurbishing large data centers must receive either the prevailing wage rate or the higher wage outlined in their collective bargaining agreements. The bill aims to ensure that projects contribute fairly to the local economy by prioritizing fair labor practices and sustainable energy use. Additionally, the legislation sets a minimum threshold for energy use, mandating that at least 70% of the energy consumed by these data centers be from renewable sources, reflecting a commitment to environmental sustainability.

Contention

Debates surrounding SB729 could arise from concerns about its economic implications, particularly regarding the potential impact of the mandated labor costs on project feasibility. Proponents argue that fair wages will enhance the quality of work and boost local economies, while critics may claim that such requirements could deter investment in large-scale data centers. Additionally, the bill’s strict energy requirements and reporting obligations may be viewed as overly burdensome by some stakeholders, creating tension between regulatory oversight and business interests.

Companion Bills

WI AB722

Crossfiled An Act to amend 16.957 (2) (d) 3., 25.96 and 238.40 (2) (b); to create 16.296, 16.957 (2) (a) 5., 20.505 (1) (gj), 66.0443, 101.028, 103.08, 196.03 (7), 196.03 (8), 196.493, 196.498, 238.40 (1) (am) and 238.40 (1) (b) 3. of the statutes; Relating to: large energy customer fees; electric utility very large customer class; a renewable resource tariff; building requirements for data centers; water usage by large customers; required pay rate on large-scale data center projects; and granting rule-making authority. (FE)

Previously Filed As

WI AB722

Large energy customer fees; electric utility very large customer class; a renewable resource tariff; building requirements for data centers; water usage by large customers; required pay rate on large-scale data center projects; and granting rule-making authority. (FE)

WI AB1162

A very large customer class for electric utilities and granting rule-making authority. (FE)

WI HB1082

Large Load Customers - Data Centers and Rate Schedule Requirements

WI S731

Requires electric public utilities to develop and apply special rules for large load customers to protect non-large load customers from increased costs.

WI HB1082

Large Load Customers - Data Centers and Rate Schedule Requirements

WI HB1184

Electrical utilities; authorize certain large customer supply and service agreements with customers have MDA approved project.

WI SB1380

large load customers; energy costs

WI H5215

Data Center Utility Costs

WI SB92

Extending the expiration date for provisions that authorize an electric utility to not offer parallel generation service to certain large load customers and exempt certain large load customers from the determination of the utility's peak demand.

WI SB1750

Creates provisions relating to the regulation of large load electric customers

Similar Bills

No similar bills found.