---
type: "Bill"
title: "UTILITY-DECOMMISSION OF PLANTS"
description: "Amends the Public Utilities Act. Provides that beginning April 1, 2020, and on a bi-annual basis thereafter, the Illinois Commerce Commission shall issue a report to the General Assembly concerning the decommissioning of nuclear power plants in this State. Provides for the contents of the report."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "101st"
identifier: "HB 840"
citation: "Illinois HB 840 (101st)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 47
vote_count: 2
first_action: "2019-01-23"
last_action: "2019-07-12"
source: "openstates"
source_identifier: "ocd-bill/7108c192-027a-488e-927a-f7167e251b68"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=840&GAID=15&DocTypeID=HB&LegId=115130&SessionID=108&GA=101"
source_hash: "351142c3a18ed6f672131607f4cc3f20d9fed04a01630c4479bd3ea7162edbb2"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-il"]
---

# Illinois HB 840 (101st) — UTILITY-DECOMMISSION OF PLANTS

Amends the Public Utilities Act. Provides that beginning April 1, 2020, and on a bi-annual basis thereafter, the Illinois Commerce Commission shall issue a report to the General Assembly concerning the decommissioning of nuclear power plants in this State. Provides for the contents of the report.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10100HB0840&GA=101&SessionId=108&DocTypeId=HB&LegID=115130&DocNum=840&GAID=15&SpecSess=&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10100HB0840eng&GA=101&SessionId=108&DocTypeId=HB&LegID=115130&DocNum=840&GAID=15&SpecSess=&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10100HB0840enr&GA=101&SessionId=108&DocTypeId=HB&LegID=115130&DocNum=840&GAID=15&SpecSess=&Session=&print=true)

## Votes

- Third Reading — **55–0** (pass) · upper
- Third Reading — **73–40** (pass) · lower

## Sponsors

- Carol Ammons — cosponsor (person)
- Joyce Mason — primary (person)
- Melinda Bush — primary (person)
- Robyn Gabel — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-01-23** Filed with the Clerk by Rep. Joyce Mason `filing`
- **2019-01-28** First Reading `reading-1`
- **2019-01-28** Referred to Rules Committee `referral-committee`
- **2019-02-05** Assigned to Energy & Environment Committee `referral-committee`
- **2019-03-26** Do Pass / Short Debate Energy & Environment Committee; 019-012-000 `committee-passage`
- **2019-03-29** Placed on Calendar 2nd Reading - Short Debate
- **2019-03-29** House Floor Amendment No. 1 Filed with Clerk by Rep. Joyce Mason `amendment-introduction`
- **2019-03-29** House Floor Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2019-04-01** Fiscal Note Requested by Rep. Tom Demmer
- **2019-04-01** State Mandates Fiscal Note Requested by Rep. Tom Demmer
- **2019-04-02** House Floor Amendment No. 1 Rules Refers to Energy & Environment Committee
- **2019-04-05** House Floor Amendment No. 1 Fiscal Note Filed as Amended
- **2019-04-09** House Floor Amendment No. 2 Filed with Clerk by Rep. Joyce Mason `amendment-introduction`
- **2019-04-09** House Floor Amendment No. 2 Referred to Rules Committee `referral-committee`
- **2019-04-09** House Floor Amendment No. 1 Recommends Be Adopted Energy & Environment Committee; 026-000-000 `committee-passage-favorable`
- **2019-04-10** House Floor Amendment No. 2 Rules Refers to Energy & Environment Committee
- **2019-04-10** Added Chief Co-Sponsor Rep. Carol Ammons
- **2019-04-10** Second Reading - Short Debate `reading-2`
- **2019-04-10** House Floor Amendment No. 1 Adopted `amendment-passage`
- **2019-04-10** Held on Calendar Order of Second Reading - Short Debate `reading-2`
- **2019-04-10** Fiscal Note Requested - Withdrawn by Rep. Tom Demmer
- **2019-04-10** State Mandates Fiscal Note Requested - Withdrawn by Rep. Tom Demmer
- **2019-04-11** House Floor Amendment No. 2 Recommends Be Adopted Energy & Environment Committee; 029-000-000 `committee-passage-favorable`
- **2019-04-11** State Mandates Fiscal Note Filed
- **2019-04-11** Added Co-Sponsor Rep. Robyn Gabel
- **2019-04-11** House Floor Amendment No. 1 Motion Filed to Table Rep. Joyce Mason
- **2019-04-11** House Floor Amendment No. 1 Motion to Table Amendment - Prevailed
- **2019-04-11** House Floor Amendment No. 1 Tabled `amendment-failure`
- **2019-04-11** House Floor Amendment No. 2 Adopted `amendment-passage`
- **2019-04-11** Placed on Calendar Order of 3rd Reading - Short Debate
- **2019-04-11** Third Reading - Short Debate - Passed 073-040-000 `reading-3, passage`
- **2019-04-12** Arrive in Senate `introduction`
- **2019-04-12** Placed on Calendar Order of First Reading `reading-1`
- **2019-04-12** Chief Senate Sponsor Sen. Melinda Bush
- **2019-04-12** First Reading `reading-1`
- **2019-04-12** Referred to Assignments `referral-committee`
- **2019-04-24** Assigned to Energy and Public Utilities `referral-committee`
- **2019-05-02** Do Pass Energy and Public Utilities; 019-000-000 `committee-passage`
- **2019-05-02** Placed on Calendar Order of 2nd Reading May 7, 2019
- **2019-05-09** Second Reading `reading-2`
- **2019-05-09** Placed on Calendar Order of 3rd Reading May 14, 2019
- **2019-05-16** Third Reading - Passed; 055-000-000 `reading-3, passage`
- **2019-05-16** Passed Both Houses
- **2019-06-14** Sent to the Governor `executive-receipt`
- **2019-07-12** Governor Approved `executive-signature`
- **2019-07-12** Effective Date January 1, 2020
- **2019-07-12** Public Act . . . . . . . . . 101-0044 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7108c192-027a-488e-927a-f7167e251b68`. Confidence: reported (aggregated from official Illinois legislature records).