---
type: "Bill"
title: "Private energy producers: Hetch Hetchy Water and Power solar generation."
description: "Private energy producers: Hetch Hetchy Water and Power solar generation."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20032004"
identifier: "AB 594"
citation: "California AB 594 (20032004)"
classification: ["bill"]
subjects: ["Private energy producers: Hetch Hetchy Water and Power solar generation."]
status: "enacted"
primary_sponsors: ["Leno"]
version_count: 8
action_count: 30
vote_count: 8
first_action: "2003-02-18"
last_action: "2004-09-25"
source: "openstates"
source_identifier: "ocd-bill/3d849475-d93f-48d0-b6e8-8f4e1c0828d8"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB594"
source_hash: "77cf4786f62f718242b713686bf5a3c639055da18e40cca72d0aed942f34d503"
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 594 (20032004) — Private energy producers: Hetch Hetchy Water and Power solar generation.

## Version chain

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

1. **02/18/03 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB594&version=20030AB59499INT)
2. **03/03/04 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB594&version=20030AB59497AMD)
3. **03/24/03 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB594&version=20030AB59498AMD)
4. **06/15/04 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB594&version=20030AB59496AMD)
5. **07/21/04 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB594&version=20030AB59495AMD)
6. **09/25/04 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB594&version=20030AB59493CHP)
7. **AB594** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200320040AB594)
8. **08/19/04 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200320040AB594&version=20030AB59494ENR)

## Votes

- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- ab 594 leno assembly third reading — **pass** (pass) · lower
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- senate amendments be concurred in. — **pass** (pass) · lower
- ab 594 leno concurrence in senate amendments — **pass** (pass) · lower
- assembly 3rd reading ab594 leno by sher reconsider — **pass** (pass) · upper
- assembly 3rd reading ab594 leno by sher — **pass** (pass) · upper
- Do pass. — **pass** (pass) · lower

## Sponsors

- Leno — primary (person)

## Timeline

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

- **2004-09-25** Chaptered by Secretary of State - Chapter 790, Statutes of 2004.
- **2004-09-24** Approved by the Governor. `executive-signature`
- **2004-09-02** Enrolled and to the Governor at 3 p.m.
- **2004-08-19** Senate amendments concurred in. To enrollment. (Ayes 80. Noes 0. Page 7380.) `committee-passage-favorable, amendment-passage`
- **2004-08-18** From committee: With recommendation: That Senate amendments be concurred in. (Ayes 11. Noes 0.) (August 18). `committee-passage`
- **2004-08-17** Joint Rule 62(a), file notice suspended. (Page 7200.)
- **2004-08-12** Re-referred to Standing Committee on Utilities and Commerce pursuant to Assembly Rule 77.2. `referral-committee`
- **2004-08-10** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 12 pursuant to Assembly Rule 77.
- **2004-08-10** Read third time, passed, and to Assembly. (Ayes 32. Noes 1. Page 4872.) `reading-3, passage, reading-1`
- **2004-08-09** Read second time. To third reading. `reading-2, reading-1`
- **2004-08-05** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2004-07-29** In committee: Hearing postponed by committee.
- **2004-07-21** 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. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2004-06-24** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 5. Noes 1.). `committee-passage-favorable, referral-committee, committee-passage`
- **2004-06-15** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Energy, Utilities and Communications. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2004-04-01** Re-referred to Standing Committee on Energy, Utilities and Communications. `referral-committee`
- **2004-03-22** Withdrawn from committee. Re-referred to Standing Committee on Rules. `referral-committee`
- **2004-03-03** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on ENV. QUAL. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-07-07** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2003-05-29** Referred to ENV. QUAL. and Standing Committee on Rules. `referral-committee`
- **2003-05-15** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2003-05-15** Read third time, passed, and to Senate. (Ayes 56. Noes 19. Page 1706.) `reading-3, passage, reading-1`
- **2003-05-05** Read second time. To third reading. `reading-2, reading-1`
- **2003-05-01** From committee: Do pass. (Ayes 20. Noes 4.) (April 30). `committee-passage-favorable, committee-passage`
- **2003-04-09** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 9. Noes 1.) (April 7). `committee-passage-favorable, referral-committee, committee-passage`
- **2003-03-25** Re-referred to Standing Committee on Natural Resources. `referral-committee`
- **2003-03-24** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Natural Resources Read second time and amended. `referral-committee, amendment-passage, amendment-introduction, reading-2, reading-1`
- **2003-02-27** Referred to Standing Committee on Natural Resources. `referral-committee`
- **2003-02-19** From printer. May be heard in committee March 21.
- **2003-02-18** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3d849475-d93f-48d0-b6e8-8f4e1c0828d8`. Confidence: reported (aggregated from official California legislature records).