---
type: "Bill"
title: "Relating to an annual audit of the independent organization certified for the ERCOT power region."
description: "Relating to an annual audit of the independent organization certified for the ERCOT power region."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "87"
identifier: "HB 2586"
citation: "Texas HB 2586 (87)"
classification: ["bill"]
subjects: ["AUDITS & AUDITORS (S4334)", "ELECTRIC RELIABILITY COUNCIL OF TEXAS (ERCOT) (V0167)", "PUBLIC UTILITY COMMISSION (V0023)", "Utilities--Electric (I0831)", "Utilities--General (I0830)"]
status: "enacted"
primary_sponsors: ["Button", "Goldman", "Hall", "Harless", "Paddie", "Thierry"]
version_count: 5
action_count: 48
vote_count: 0
first_action: "2021-03-02"
last_action: "2021-05-24"
source: "openstates"
source_identifier: "ocd-bill/ca8d2ccd-2c32-4c5d-83ee-ba0325c5604b"
source_url: "ftp://ftp.legis.state.tx.us/bills/87R/billhistory/house_bills/HB02500_HB02599/HB 2586.xml"
source_hash: "c69902bd3e9265d3863a0312c3f808c60233e8840b4c764e648d531ddf07609a"
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-tx"]
---

# Texas HB 2586 (87) — Relating to an annual audit of the independent organization certified for the ERCOT power region.

## Version chain

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

1. **Introduced** (filed) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB02586I.HTM)
2. **Engrossed** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB02586E.HTM)
3. **House Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB02586H.HTM)
4. **Senate Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB02586S.HTM)
5. **Enrolled** (enrolled) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB02586F.HTM)

## Sponsors

- Button — primary (person)
- Goldman — primary (person)
- Hall — primary (person)
- Harless — primary (person)
- Paddie — primary (person)
- Thierry — primary (person)
- Allison — cosponsor (person)
- Alvarado — cosponsor (person)
- Anderson — cosponsor (person)
- Bettencourt — cosponsor (person)
- Biedermann — cosponsor (person)
- Bucy — cosponsor (person)
- Burns — cosponsor (person)
- Cain — cosponsor (person)
- Canales — cosponsor (person)
- Clardy — cosponsor (person)
- Collier — cosponsor (person)
- Cyrier — cosponsor (person)
- Darby — cosponsor (person)
- Davis — cosponsor (person)
- Dean — cosponsor (person)
- Ellzey — cosponsor (person)
- Geren — cosponsor (person)
- Gervin-Hawkins — cosponsor (person)
- González, Mary — cosponsor (person)
- Goodwin — cosponsor (person)
- Guerra — cosponsor (person)
- Guillen — cosponsor (person)
- Hernandez — cosponsor (person)
- Hinojosa — cosponsor (person)
- Hinojosa — cosponsor (person)
- Holland — cosponsor (person)
- Israel — cosponsor (person)
- Johnson, Jarvis — cosponsor (person)
- King, Ken — cosponsor (person)
- King, Tracy O. — cosponsor (person)
- Kolkhorst — cosponsor (person)
- Lambert — cosponsor (person)
- Leach — cosponsor (person)
- Leman — cosponsor (person)
- Longoria — cosponsor (person)
- Lopez — cosponsor (person)
- Martinez — cosponsor (person)
- Meyer — cosponsor (person)
- Minjarez — cosponsor (person)
- Morales, Eddie — cosponsor (person)
- Muñoz, Jr. — cosponsor (person)
- Neave — cosponsor (person)
- Patterson — cosponsor (person)
- Paul — cosponsor (person)
- Perez — cosponsor (person)
- Rogers — cosponsor (person)
- Romero, Jr. — cosponsor (person)
- Rose — cosponsor (person)
- Schaefer — cosponsor (person)
- Schofield — cosponsor (person)
- Shaheen — cosponsor (person)
- Sherman, Sr. — cosponsor (person)
- Smith — cosponsor (person)
- Stephenson — cosponsor (person)
- Stucky — cosponsor (person)
- Swanson — cosponsor (person)
- Talarico — cosponsor (person)
- Thompson, Ed — cosponsor (person)
- Thompson, Senfronia — cosponsor (person)
- Toth — cosponsor (person)
- Turner, Chris — cosponsor (person)
- Turner, John — cosponsor (person)
- Walle — cosponsor (person)
- White — cosponsor (person)
- Zaffirini — cosponsor (person)
- Zwiener — cosponsor (person)

## Timeline

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

- **2021-03-02** Filed `filing`
- **2021-03-17** Read first time `introduction, reading-1`
- **2021-03-17** Referred to State Affairs `referral-committee`
- **2021-03-23** Considered in public hearing
- **2021-03-23** Testimony taken/registration(s) recorded in committee
- **2021-03-23** Left pending in committee
- **2021-03-25** Considered in public hearing
- **2021-03-25** Reported favorably w/o amendment(s) `committee-passage`
- **2021-03-31** Comte report filed with Committee Coordinator
- **2021-04-01** Committee report distributed
- **2021-04-01** Committee report sent to Calendars
- **2021-04-06** Considered in Calendars
- **2021-04-08** Placed on General State Calendar
- **2021-04-08** Read 2nd time `reading-2`
- **2021-04-08** Amended `amendment-passage`
- **2021-04-08** Passed to engrossment as amended
- **2021-04-09** Read 3rd time `reading-3`
- **2021-04-09** Passed `passage`
- **2021-04-09** Record vote
- **2021-04-09** Reported engrossed
- **2021-04-12** Received from the House `introduction`
- **2021-04-13** Read first time `introduction, reading-1`
- **2021-04-13** Referred to Jurisprudence `referral-committee`
- **2021-04-21** Co-sponsor authorized
- **2021-05-03** Co-sponsor authorized
- **2021-05-03** Scheduled for public hearing on . . .
- **2021-05-03** Considered in public hearing
- **2021-05-03** Reported favorably w/o amendments `committee-passage-favorable`
- **2021-05-03** Recommended for local & uncontested calendar
- **2021-05-03** Committee report printed and distributed
- **2021-05-10** Co-sponsor authorized
- **2021-05-10** Placed on intent calendar
- **2021-05-11** Co-sponsor authorized
- **2021-05-11** Rules suspended-Regular order of business
- **2021-05-11** Read 2nd time & passed to 3rd reading
- **2021-05-11** Vote recorded in Journal
- **2021-05-11** Three day rule suspended
- **2021-05-11** Record vote
- **2021-05-11** Read 3rd time `reading-3`
- **2021-05-11** Passed `passage`
- **2021-05-11** Record vote
- **2021-05-11** Senate passage reported
- **2021-05-11** Reported enrolled
- **2021-05-12** Signed in the House
- **2021-05-12** Signed in the Senate
- **2021-05-12** Sent to the Governor `executive-receipt`
- **2021-05-24** Signed by the Governor `executive-signature`
- **2021-05-24** Effective on 9/1/21 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ca8d2ccd-2c32-4c5d-83ee-ba0325c5604b`. Confidence: reported (aggregated from official Texas legislature records).