---
type: "Bill"
title: "Energy efficiency."
description: "Energy efficiency."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 1551"
citation: "California AB 1551 (19992000)"
classification: ["bill"]
subjects: ["Energy efficiency."]
status: "enacted"
primary_sponsors: ["Pescetti"]
version_count: 11
action_count: 30
vote_count: 8
first_action: "1999-02-26"
last_action: "1999-10-10"
source: "openstates"
source_identifier: "ocd-bill/666eb67f-d9ef-4f3b-952e-163e7134b920"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB1551"
source_hash: "346e71cda38efb2f26ac11d6c1a4f43e00d51679f16217c606a6e3136a31d637"
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-ca"]
---

# California AB 1551 (19992000) — Energy efficiency.

## Version chain

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

1. **02/26/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155199INT)
2. **04/05/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155198AMD)
3. **04/27/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155197AMD)
4. **05/28/99 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155196AMD)
5. **06/17/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155195AMD)
6. **07/01/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155194AMD)
7. **08/16/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155193AMD)
8. **09/02/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155192AMD)
9. **10/10/99 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155190CHP)
10. **AB1551** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB1551)
11. **09/09/99 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB1551&version=19990AB155191ENR)

## Votes

- Do pass as amended. — **pass** (pass) · lower
- Do pass as amended. — **pass** (pass) · upper
- Assembly 3rd Reading AB1551 Pescetti By Brulte — **pass** (pass) · upper
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Placed on Appropriations suspense file. — **pass** (pass) · upper
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- AB 1551 PESCETTI THIRD READING — **pass** (pass) · lower
- AB 1551 PESCETTI CONCURRENCE — **pass** (pass) · lower

## Sponsors

- Pescetti — primary (person)

## Timeline

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

- **1999-10-10** Chaptered by Secretary of State - Chapter 981, Statutes of 1999.
- **1999-10-10** Approved by the Governor. `executive-signature`
- **1999-09-17** Enrolled and to the Governor at 4 p.m.
- **1999-09-09** Senate amendments concurred in. To enrollment. (Ayes 76. Noes 3. Page 4202.) `committee-passage-favorable, amendment-passage`
- **1999-09-08** Assembly Rule 77 suspended.
- **1999-09-07** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 9 pursuant to Assembly Rule 77.
- **1999-09-07** Read third time, passed, and to Assembly. (Ayes 37. Noes 0. Page 2991.) `passage, reading-3, reading-1`
- **1999-09-02** From committee: Amend, and do pass as amended. (Ayes 13. Noes 0.). Read second time and amended. Ordered to third reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-08-23** Joint Rule 61 (a) suspended.
- **1999-08-23** In committee: Placed on Appropriations suspense file.
- **1999-08-16** In committee: Set, first hearing. Hearing canceled at the request of author. From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-07-08** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 10. Noes 2.). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-07-01** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Education. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-06-29** In committee: Set, first hearing. Hearing canceled at the request of author.
- **1999-06-17** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Education. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-06-09** Referred to Standing Committee on Education. `referral-committee`
- **1999-06-07** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **1999-06-03** Read third time, passed, and to Senate. (Ayes 75. Noes 3. Page 2425.) `passage, reading-3, reading-1`
- **1999-06-01** Read second time. To third reading. `reading-2, reading-1`
- **1999-05-28** From committee: Amend, and do pass as amended. (Ayes 21. Noes 0.) (May 26). Read second time and amended. Ordered returned to second reading. `amendment-introduction, amendment-passage, committee-passage, reading-2, reading-1`
- **1999-05-19** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **1999-05-03** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **1999-04-27** Read second time and amended. `amendment-passage, reading-2, reading-1`
- **1999-04-26** From committee: Amend, and do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 13. Noes 0.) (April 21). `committee-passage, amendment-introduction, amendment-passage, referral-committee`
- **1999-04-06** Re-referred to Standing Committee on Education. `referral-committee`
- **1999-04-05** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Education Read second time and amended. `amendment-introduction, amendment-passage, reading-2, reading-1, referral-committee`
- **1999-03-23** Referred to Standing Committee on Education. `referral-committee`
- **1999-03-01** Read first time. `reading-1`
- **1999-02-28** From printer. May be heard in committee March 30.
- **1999-02-26** Introduced. To print. `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/666eb67f-d9ef-4f3b-952e-163e7134b920`. Confidence: reported (aggregated from official California legislature records).