# Illinois SB4005: PROP TX-WIND AND SOLAR-REPEAL

Illinois SB4005, PROP TX-WIND AND SOLAR-REPEAL, is a 104th General Assembly (2025–2026) Senate bill sponsored by Chapin Rose (Republican); status in committee, last action 2026-02-06 (Referred to Assignments) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/IL-SB4005-2025-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Illinois SB4005
- State: Illinois
- Session: 104th General Assembly (2025–2026)
- Title: PROP TX-WIND AND SOLAR-REPEAL
- Status: in committee
- Chamber: Senate
- Introduced: 2026-02-06
- Last action: 2026-02-06, Referred to Assignments
- Sponsor: Chapin Rose (Republican)
- Cosponsors: 0
- Subjects: assignments
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

Amends the Property Tax Code. Provides that provisions concerning the valuation of commercial solar energy systems and wind energy devices apply only through taxable year 2026. Repeals those provisions on January 1, 2028. Effective immediately.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Chapin Rose (Republican), Senate

## Actions (3)

- 2026-02-06: Referred to Assignments (Senate)
- 2026-02-06: First Reading (Senate)
- 2026-02-06: Filed with Secretary by Sen. Chapin Rose (Senate)

## Bill text

- Introduced: [PDF](https://www.ilga.gov/documents/legislation/104/SB/PDF/10400SB4005.pdf)

## Related bills

- HB5198: AFFORDABLE HOUSING-CILAS (passed house)
- SB1937: PENSION CODE-VARIOUS (passed senate)
- HB2563: CONDO-RESERVE STUDY (in committee)
- HB4701: LIMITATIONS FACILITY FEES ACT (in committee)
- SB3008: DHS-ABLE PROGRAM INFO MATERIAL (passed senate)
- SB3484: VEH CD-PLATES-REGISTRATION (signed)

## Sources
- [Introduced (PDF)](https://www.ilga.gov/documents/legislation/104/SB/PDF/10400SB4005.pdf)

## Related
- [HB5198: AFFORDABLE HOUSING-CILAS](https://policyrisk.com/state-bill/IL-HB5198-2025-2026)
- [SB1937: PENSION CODE-VARIOUS](https://policyrisk.com/state-bill/IL-SB1937-2025-2026)
- [HB2563: CONDO-RESERVE STUDY](https://policyrisk.com/state-bill/IL-HB2563-2025-2026)
- [HB4701: LIMITATIONS FACILITY FEES ACT](https://policyrisk.com/state-bill/IL-HB4701-2025-2026)
- [SB3008: DHS-ABLE PROGRAM INFO MATERIAL](https://policyrisk.com/state-bill/IL-SB3008-2025-2026)
- [SB3484: VEH CD-PLATES-REGISTRATION](https://policyrisk.com/state-bill/IL-SB3484-2025-2026)
- [Illinois bills](https://policyrisk.com/states/illinois/bills)
- [Illinois state hub](https://policyrisk.com/states/illinois)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/IL-SB4005-2025-2026 (as of 2026-11-01).