# Wisconsin SB729: 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)

Wisconsin SB729, 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), is a 2025-2026 Wisconsin Legislature (Biennial Session) Senate bill sponsored by Tim Carpenter (Democratic), Kristin Dassler-Alfheim (Democratic), Dora Drake (Democratic) and 9 others; status failed, last action 2026-04-06 (Representative Johnson added as a cosponsor) (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/WI-SB729-2025
- As of: 2026-10-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Wisconsin SB729
- State: Wisconsin
- Session: 2025-2026 Wisconsin Legislature (Biennial Session)
- Title: 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)
- Status: failed
- Chamber: Senate
- Introduced: 2025-12-02
- Last action: 2026-04-06, Representative Johnson added as a cosponsor
- Sponsors: Tim Carpenter (Democratic), Kristin Dassler-Alfheim (Democratic), Dora Drake (Democratic), Jodi Habush Sinykin (Democratic), Dianne Hesselbein (Democratic), Sarah Keyeski (Democratic), Chris Larson (Democratic), Brad Pfaff (Democratic), Melissa Ratcliff (Democratic), Kelda Roys (Democratic), Mark Spreitzer (Democratic), Jamie Wall (Democratic)
- Cosponsors: 35
- Subjects: Sen Bill 729, Building, Data processing, Economic Development Corporation, Wisconsin, Electric utility, Energy conservation, Public Service Commission, Tariff, Wage -- Payment, Water supply
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Tim Carpenter (Democratic), Senate
- Sponsor: Kristin Dassler-Alfheim (Democratic), Senate
- Sponsor: Dora Drake (Democratic), Senate
- Sponsor: Jodi Habush Sinykin (Democratic), Senate
- Sponsor: Dianne Hesselbein (Democratic), Senate
- Sponsor: Sarah Keyeski (Democratic), Senate
- Sponsor: Chris Larson (Democratic), Senate
- Sponsor: Brad Pfaff (Democratic), Senate
- Sponsor: Melissa Ratcliff (Democratic), Senate
- Sponsor: Kelda Roys (Democratic), Senate
- Sponsor: Mark Spreitzer (Democratic), Senate
- Sponsor: Jamie Wall (Democratic), Senate
- Cosponsor: Clinton Anderson (Democratic), House
- Cosponsor: Deb Andraca (Democratic), House
- Cosponsor: Mike Bare (Democratic), House
- Cosponsor: Jill Billings (Democratic), House
- Cosponsor: Brienne Brown (Democratic), House
- Cosponsor: Ben DeSmidt (Democratic), House
- Cosponsor: Jodi Emerson (Democratic), House
- Cosponsor: Joan Fitzgerald (Democratic), House
- Cosponsor: Russell Goodwin (Democratic), House
- Cosponsor: Francesca Hong (Democratic), House
- Cosponsor: Andrew Hysell (Democratic), House
- Cosponsor: Jenna Jacobson (Democratic), House
- Cosponsor: Alex Joers (Democratic), House
- Cosponsor: Tara Johnson (Democratic), House
- Cosponsor: LaTonya Johnson (Democratic), Senate
- Cosponsor: Darrin Madison (Democratic), House
- Cosponsor: Renuka Mayadev (Democratic), House
- Cosponsor: Maureen McCarville (Democratic), House
- Cosponsor: Vincent Miresse (Democratic), House
- Cosponsor: Supreme Moore Omokunde (Democratic), House
- Cosponsor: Greta Neubauer (Democratic), House
- Cosponsor: Lori Palmeri (Democratic), House
- Cosponsor: Amaad Rivera-Wagner (Democratic), House
- Cosponsor: Ann Roe (Democratic), House
- Cosponsor: Joe Sheehan (Democratic), House
- Cosponsor: Christine Sinicki (Democratic), House
- Cosponsor: Jeff Smith (Democratic), Senate
- Cosponsor: Lee Snodgrass (Democratic), House
- Cosponsor: Angela Stroud (Democratic), House
- Cosponsor: Shelia Stubbs (Democratic), House
- Cosponsor: Lisa Subeck (Democratic), House
- Cosponsor: Angelito Tenorio (Democratic), House
- Cosponsor: Randy Udell (Democratic), House
- Cosponsor: Robyn Vining (Democratic), House
- Cosponsor: Robert Wirch (Democratic), Senate

## Actions (15)

- 2026-04-06: Representative Johnson added as a cosponsor (Senate)
- 2026-03-23: Failed to pass pursuant to Senate Joint Resolution 1 (Senate)
- 2026-03-19: Senator Smith added as a coauthor (Senate)
- 2026-03-19: Representative J. Jacobson added as a cosponsor (Senate)
- 2026-02-17: Public hearing held (Senate)
- 2026-02-03: Fiscal estimate received (Senate)
- 2026-01-22: Representative Hysell added as a cosponsor (Senate)
- 2026-01-22: LRB correction (Senate)
- 2026-01-20: Fiscal estimate received (Senate)
- 2026-01-20: Fiscal estimate received (Senate)
- 2026-01-08: Senator Wirch added as a coauthor (Senate)
- 2025-12-05: Representative Brown added as a cosponsor (Senate)
- 2025-12-05: Senator L. Johnson added as a coauthor (Senate)
- 2025-12-02: Read first time and referred to Committee on Utilities, Technology and Tourism (Senate)
- 2025-12-02: Introduced by Senators Habush Sinykin, Spreitzer, Keyeski, Carpenter, Dassler-Alfheim, Drake, Hesselbein, Larson, Pfaff, Ratcliff, Roys and Wall; cosponsored by Representatives Stroud, Miresse, Palmeri, Bare, Anderson, Andraca, Billings, DeSmidt, Emerson, Fitzgerald, Goodwin, Hong, Joers, Madison, Mayadev, McCarville, Moore Omokunde, Neubauer, Rivera-Wagner, Roe, Sheehan, Sinicki, Snodgrass, Stubbs, Subeck, Tenorio, Udell and Vining (Senate)

## Bill text

- Bill Text: [HTML](https://docs.legis.wisconsin.gov/document/proposaltext/2025/REG/SB729), [PDF](https://docs.legis.wisconsin.gov/document/proposaltext/2025/REG/SB729.pdf)

## Related bills

- AB913: An Act to create 71.05 (6) (b) 57. of the statutes; Relating to: subtraction for certain income of members of the National Guard and Reserves. (FE) (signed)
- AB80: An Act to renumber 457.25 (1); to amend 46.90 (4) (ab) 4., 48.56 (2), 48.561 (2), 49.45 (30j) (a) 1., 51.03 (6) (a), 55.043 (1m) (a) 4., 146.81 (1) (hg), 146.8… (signed)
- AB1027: An Act Relating to: requiring information relating to the food stamp program to be compiled and provided to the U.S. Department of Agriculture. (FE) (vetoed)
- SB36: An Act to repeal 71.63 (6) (n) 1. and 71.63 (6) (n) 2.; to renumber and amend 71.63 (6) (n) (intro.); to amend 71.05 (6) (b) 19. cm., 71.05 (6) (b) 19. dm., 71… (vetoed)
- AB674: An Act to create 157.06 (15m) of the statutes; Relating to: prohibiting knowingly covering organ transplantation and related care under health insurance polici… (vetoed)
- SB176: An Act to create 71.05 (1) (j), 71.26 (1) (j), 71.34 (1k) (q) and 71.45 (1) (dp) of the statutes; Relating to: an income and franchise tax exemption for broadb… (vetoed)

## Sources
- [Bill Text (HTML)](https://docs.legis.wisconsin.gov/document/proposaltext/2025/REG/SB729)
- [Bill Text (PDF)](https://docs.legis.wisconsin.gov/document/proposaltext/2025/REG/SB729.pdf)

## Related
- [AB913: An Act to create 71.05 (6) (b) 57. of the statutes; Relating to: subtraction fo…](https://policyrisk.com/state-bill/WI-AB913-2025)
- [AB80: An Act to renumber 457.25 (1); to amend 46.90 (4) (ab) 4., 48.56 (2), 48.561 (2…](https://policyrisk.com/state-bill/WI-AB80-2025)
- [AB1027: An Act Relating to: requiring information relating to the food stamp program to…](https://policyrisk.com/state-bill/WI-AB1027-2025)
- [SB36: An Act to repeal 71.63 (6) (n) 1. and 71.63 (6) (n) 2.; to renumber and amend 7…](https://policyrisk.com/state-bill/WI-SB36-2025)
- [AB674: An Act to create 157.06 (15m) of the statutes; Relating to: prohibiting knowing…](https://policyrisk.com/state-bill/WI-AB674-2025)
- [SB176: An Act to create 71.05 (1) (j), 71.26 (1) (j), 71.34 (1k) (q) and 71.45 (1) (dp…](https://policyrisk.com/state-bill/WI-SB176-2025)
- [Wisconsin bills](https://policyrisk.com/states/wisconsin/bills)
- [Wisconsin state hub](https://policyrisk.com/states/wisconsin)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/WI-SB729-2025 (as of 2026-10-17).
