# Illinois HB3609: THERMAL ENERGY NETWORKS

Illinois HB3609, THERMAL ENERGY NETWORKS, is a 104th General Assembly (2025–2026) House bill sponsored by Ann M. Williams (Democratic); status in committee, last action 2025-04-11 (Rule 19(a) / Re-referred to Rules Committee); PRIA reads it as touching household money (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/IL-HB3609-2025-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Illinois HB3609
- State: Illinois
- Session: 104th General Assembly (2025–2026)
- Title: THERMAL ENERGY NETWORKS
- Status: in committee
- Chamber: House
- Introduced: 2025-02-07
- Last action: 2025-04-11, Rule 19(a) / Re-referred to Rules Committee
- Sponsor: Ann M. Williams (Democratic)
- Cosponsors: 6
- Subjects: energy & environment
- Touches household money: yes
- Roll calls: 1 (15 yes, 8 no in all)
- Economic provisions PRIA read: 0

## Summary

Provides that the amendatory Act may be referred to as the Thermal Energy Network and Jobs Acts. Sets forth a statement of legislative findings and intent. Amends the Public Utilities Act. Defines "thermal energy" and "thermal energy network". Requires the Illinois Commerce Commission to initiate a proceeding within 6 months after the effective date of the amendatory Act to support the development of pilot thermal energy networks. Provides that within 10 months after the effective date of the amendatory Act, every gas public utility, electric public utility, or combination public utility serving over 100,000 customers shall file with the Commission a petition seeking Commission-approval of at least one and no more than 3 proposed pilot thermal energy network projects. Requires every gas public utility, electric public utility, or combination public utility constructing or operating a Commission-approved pilot thermal energy network project to report to the Commission, on a quarterly basis and until completion of the pilot thermal energy network project, the status of each pilot thermal energy network project. Requires every gas public utility, electric public utility, or combination public utility constructing or operating a Commission-approved pilot thermal energy network project to demonstrate that it has entered into a labor peace agreement with a bona fide labor organization that is actively engaged in representing its employees. Requires the Commission to adopt specified rules within 4 years after the completion of the construction of all thermal energy network projects. Provides that a gas public utility, electric public utility, or combination public utility required to develop a pilot thermal energy network project shall be permitted to recover all reasonable and prudently incurred costs associated with the development, construction, and operation of one or more pilot thermal energy network projects through general rates or through rates set in a Multi-Year Rate Plan. Effective immediately.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Ann M. Williams (Democratic), House
- Cosponsor: Anne Stava (Democratic), House
- Cosponsor: Camille Y. Lilly (Democratic), House
- Cosponsor: Jay Hoffman (Democratic), House
- Cosponsor: Kelly M. Cassidy (Democratic), House
- Cosponsor: Lilian Jiménez (Democratic), House
- Cosponsor: Marcus C. Evans, Jr. (Democratic), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-03-18 | House | Do Pass as Amended / Short Debate Energy & Environment Committee; | pass | 15 | 8 |   |

## Actions (21)

- 2025-04-11: Rule 19(a) / Re-referred to Rules Committee (House)
- 2025-04-09: Added Co-Sponsor Rep. Lilian Jiménez (House)
- 2025-04-09: Added Co-Sponsor Rep. Camille Y. Lilly (House)
- 2025-04-08: House Floor Amendment No. 2 Referred to Rules Committee (House)
- 2025-04-08: House Floor Amendment No. 2 Filed with Clerk by Rep. Ann M. Williams (House)
- 2025-03-27: Added Co-Sponsor Rep. Kelly M. Cassidy (House)
- 2025-03-26: Placed on Calendar Order of 3rd Reading - Short Debate (House)
- 2025-03-26: Second Reading - Short Debate (House)
- 2025-03-19: Placed on Calendar 2nd Reading - Short Debate (House)
- 2025-03-18: Do Pass as Amended / Short Debate Energy & Environment Committee; 015-008-000 (House)
- 2025-03-18: House Committee Amendment No. 1 Adopted in Energy & Environment Committee; by Voice Vote (House)
- 2025-03-18: House Committee Amendment No. 1 Rules Refers to Energy & Environment Committee (House)
- 2025-03-13: House Committee Amendment No. 1 Referred to Rules Committee (House)
- 2025-03-13: House Committee Amendment No. 1 Filed with Clerk by Rep. Ann M. Williams (House)
- 2025-03-11: Assigned to Energy & Environment Committee (House)
- 2025-03-05: Added Co-Sponsor Rep. Anne Stava (House)
- 2025-03-04: Added Chief Co-Sponsor Rep. Jay Hoffman (House)
- 2025-03-04: Added Chief Co-Sponsor Rep. Marcus C. Evans, Jr. (House)
- 2025-02-18: Referred to Rules Committee (House)
- 2025-02-18: First Reading (House)
- 2025-02-07: Filed with the Clerk by Rep. Ann M. Williams (House)

## Bill text

- Engrossed: [PDF](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609eng.pdf)
- House Amendment 1: [PDF](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609ham001.pdf)
- House Amendment 2: [PDF](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609ham002.pdf)
- Introduced: [PDF](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609.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
- [Engrossed (PDF)](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609eng.pdf)
- [House Amendment 1 (PDF)](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609ham001.pdf)
- [House Amendment 2 (PDF)](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609ham002.pdf)
- [Introduced (PDF)](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB3609.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-HB3609-2025-2026 (as of 2026-11-01).