| 25 TOC |
Chapter 25 Table of Contents |
07/10/25 |
| Subchapter A |
General Provisions |
|
| §25.1 |
Purpose and Scope of Rules. |
03/12/03 |
| §25.2 |
Cross-Reference Transition Provision. |
05/07/98 |
| §25.3 |
Severability Clause. |
03/12/03 |
| §25.4 |
Statement of Nondiscrimination. |
03/12/03 |
| §25.5 |
Definitions. (Proposed Revision Pending) |
06/01/22 |
| §25.6 |
Cost of Copies of Public Information. |
06/12/12 |
| §25.8 |
Classification System for Violations of Statutes, Rules, and Orders Applicable to Electric Service Providers. |
05/15/24 |
|
| Subchapter B |
Customer Service and Protection |
| §25.21 |
General Provisions of Customer Service and Protection Rules. |
01/19/14 |
| §25.22 |
Request for Service. |
05/06/99 |
| §25.23 |
Refusal of Service. |
05/06/99 |
| §25.24 |
Credit Requirements and Deposits. |
03/10/16 |
| §25.25 |
Issuance and Format of Bills. |
01/06/10 |
| §25.26 |
Spanish Language Requirements. |
05/06/99 |
| §25.27 |
Retail Electric Service Switchovers. |
03/02/99 |
| §25.28 |
Bill Payment and Adjustments. |
01/09/14 |
| §25.29 |
Disconnection of Service. |
12/11/13 |
| §25.30 |
Complaints. |
04/26/23 |
| §25.31 |
Information to Applicants and Customers. |
07/19/23 |
| §25.33 |
Prompt Payment Act. |
10/03/10 |
| §25.41 |
Price to Beat Rule. |
05/13/18 |
| §25.43 |
Provider of Last Resort (POLR). |
11/23/22 |
| §25.44 |
Privacy of Advanced Metering System Information. |
05/07/14 |
| §25.45 |
Low-Income List Administrator. |
07/04/19 |
|
| Subchapter C |
Infrastructure and Reliability |
|
| §25.51 |
Power Quality. |
06/11/98 |
| §25.52 |
Reliability and Continuity of Service.
| 03/05/25 |
| §25.53 |
Electric Service Emergency Operations Plans. (Proposed Revision Pending) |
03/20/22 |
| §25.54 |
Cease and Desist Orders. |
04/17/14 |
| §25.55 |
Weather Emergency Preparedness. |
10/20/22 |
| §25.56 |
Temporary Emergency Electric Energy Facilities (TEEEF). (Proposed Revision Pending) |
01/08/25 |
| §25.57 |
Power Outage Alert Criteria. |
06/15/22 |
| §25.59 |
Long Lead-Time Facilities. |
01/08/25 |
| §25.62 |
Transmission and Distribution System Resiliency Plans. |
02/08/24 |
|
| Subchapter D |
Records, Reports, and Other Required Information |
|
| §25.71 |
General Procedures, Requirements and Penalties. |
06/28/00 |
| §25.72 |
Uniform System of Accounts. |
08/19/02 |
| §25.73 |
Financial and Operating Reports. |
06/28/00 |
| §25.74 |
Report on Change in Control, Sale of Property, Purchase of Stock, or Loan. |
10/11/11 |
| §25.76 |
Gross Receipts Assessment Report. |
06/28/00 |
| §25.77 |
Payments, Compensation, and Other Expenditures. |
09/08/98 |
| §25.78 |
State Agency Utility Account Information. |
09/08/98 |
| §25.79 |
Equal Opportunity Reports. |
07/30/00 |
| §25.80 |
Annual Report on Historically Underutilitized Businesses. |
07/30/00 |
| §25.81 |
Service Quality Reports. |
06/28/00 |
| §25.82 |
Fuel Cost and Use Information. |
09/08/98 |
| §25.83 |
Transmission Construction Reports. |
01/01/03 |
| §25.84 |
Annual Reporting of Affiliate Transactions for Electric Utilities. |
12/20/99 |
| §25.85 |
Report of Workforce Diversity and Other Business Practices. |
07/30/00 |
| §25.88 |
Retail Market Performance Measure Reporting. |
05/11/03 |
| §25.89 |
Report of Loads and Resources. |
06/28/00 |
| §25.90 |
Market Power Mitigation Plans. |
08/31/00 |
| §25.91 |
Generating Capacity Reports. |
08/31/00 |
| §25.93 |
Wholesale Electricity Transaction Information. |
11/21/11 |
| §25.94 |
Report on Infrastructure Improvement and Maintenance. |
01/03/10 |
| §25.95 |
Electric Utility Infrastructure Storm Hardening. |
07/13/10 |
| §25.96 |
Vegetation Management. |
01/02/13 |
| §25.97 |
Line Inspection and Safety. |
03/05/20 |
| §25.98 |
Permian Basin Reliability Plan Reporting Requirements and Monitor. |
06/26/25 |
|
| Subchapter E |
Certification, Licensing and Registration. |
|
| §25.101 |
Certification Criteria. |
12/20/22 |
| §25.102 |
Coastal Management Program. |
01/01/03 |
| §25.105 |
Registration by Power Marketers. |
04/26/23 |
| §25.107 |
Certification and Obligations of Retail Electric Providers (REPs). |
04/26/23 |
| §25.108 |
Financial Standards for Retail Electric Providers Regarding the Billing and Collection of Transition Charges. |
08/15/00 |
| §25.109 |
Registration by Power Generation Companies and Self-Generators. |
04/26/23 |
| §25.111 |
Registration of Aggregators. |
06/28/00 |
| §25.112 |
Registration of Brokers. |
05/24/20 |
| §25.113 |
Municipal Registration of Retail Electric Providers (REPs). |
01/12/03 |
| §25.114 |
Registration of Virtual Currency Mining Facilities. |
12/11/24 |
|
| Subchapter F |
Metering |
| §25.121 |
Meter Requirements. |
05/30/07 |
| §25.122 |
Meter Records. |
06/11/98 |
| §25.123 |
Meter Readings. |
05/30/07 |
| §25.124 |
Meter Testing. |
06/11/98 |
| §25.125 |
Adjustments Due to Non-Compliant Meters and Meter Tampering in Areas Where Customer Choice Has Not Been Introduced. |
07/01/10 |
| §25.126 |
Adjustments Due to Non-Compliant Meters and Meter Tampering in Areas Where Customer Choice Has Been Introduced. |
07/01/10 |
| §25.127 |
Generating Station Meters, Instruments, and Records. |
06/11/98 |
| §25.128 |
Interconnection Meters and Circuit Breakers. |
06/11/98 |
| §25.129 |
Pulse Metering. |
10/22/01 |
| §25.130 |
Advanced Metering. |
05/11/20 |
| §25.131 |
Load Profiling and Load Research. |
04/16/03 |
| §25.132 |
Definitions. |
07/01/10 |
| §25.133 |
Non-Standard Metering Service. |
05/11/20 |
|
| Subchapter G |
Submetering |
| §25.141 |
Central System or Nonsubmetered Master Metered Utilities. |
01/06/11 |
| §25.142 |
Submetering for Apartments, Condominiums, and Mobile Home Parks. |
06/10/13 |
|
| Subchapter H |
Electrical Planning:
Division 1. Renewable Energy Resources and Use of Natural Gas |
| §25.172 |
Goal for Natural Gas. |
12/29/99 |
| §25.173 |
Renewable Energy Credit Program. |
01/01/24 |
| §25.174 |
Competitive Renewable Energy Zones. |
07/05/16 |
|
|
Electrical Planning:
Division 2. Energy Efficiency and Customer-Owned Resources |
| §25.181 |
Energy Efficiency Goal. (Proposed Revision Pending) |
04/04/19 |
| §25.182 |
Energy Efficiency Cost Recovery Factor. (Proposed Revision Pending) |
04/04/19 |
| §25.183 |
Reporting and Evaluation of Energy Efficiency Programs. |
04/04/19 |
| §25.186 |
Goal for Average Total Residential Load Reduction. |
01/01/25 |
|
| Subchapter I |
Transmission and Distribution
Division 1. Open- Access Comparable Transmission Service for Electrical Utilities in the Electric Reliability Council of Texas |
| §25.191 |
Transmission Service Requirements. |
06/20/01 |
| §25.192 |
Transmission Service Rates. |
12/20/22 |
| §25.193 |
Distribution Service Provider Transmission Cost Recovery Factors (TCRF). |
10/25/10 |
| §25.195 |
Terms and Conditions for Transmission Service.
| 03/07/24 |
| §25.196 |
Standards of Conduct. |
06/20/01 |
| §25.198 |
Initiating Transmission Service. |
06/20/01 |
| §25.199 |
Transmission Planning, Licensing and Cost-Recovery for Utilities within the Electric Reliability Council of Texas. |
04/13/05 |
| §25.200 |
Load Shedding, Curtailments, and Redispatch. |
06/20/01 |
| §25.202 |
Commercial Terms for Transmission Service. |
06/20/01 |
| §25.203 |
Alternative Dispute Resolution (ADR). |
06/20/01 |
|
|
Division 2. Transmission and Distribution Applicable to All Electric Utilities |
| §25.211 |
Interconnection of On-Site Distributed Generation (DG). |
01/05/17 |
| §25.212 |
Technical Requirements for Interconnection and Parallel Operation Of On-Site Distributed Generation. |
12/21/99 |
| §25.213 |
Metering for Distributed Renewable Generation and Certain Qualifying Facilities. |
03/26/14 |
| §25.214 |
Terms and Conditions of Retail Delivery Service Provided by Investor Owned Transmission and Distribution Utilities. Amended tariff effective on January 15, 2015 |
01/15/15 |
| §25.215 |
Terms and Conditions of Access by a Competitive Retailer to the Delivery System of a Municipally Owned Utility or Electric Cooperative that has Implemented Customer Choice |
10/10/01 |
| §25.216 |
Selection of Transmission Service Providers. |
07/09/08 |
| §25.217 |
Distributed Renewable Generation. |
06/11/12 |
| §25.218 |
Middle Mile Broadband Service. |
04/21/22 |
| §25.219 |
Terms and Conditions of Access by a Competitive Retailer to the Delivery System of a Municipally Owned Utility or Electric Cooperative that Implements Customer Choice after May 1, 2023. |
04/12/23 |
| §25.221 |
Electric Cost Separation. |
09/16/98 |
| §25.223 |
Unbundling of Energy Services. |
11/26/98 |
|
| Subchapter J |
Costs, Rates and Tariffs
Division 1. Retail Rates. |
| §25.231 |
Cost of Service. (Proposed Revision Pending) |
07/19/23 |
| §25.232 |
Adjustment for House Bill 11, Acts of 72nd Legislature, First Called Special Session 1991. |
03/01/99 |
| §25.234 |
Rate Design. |
07/05/99 |
| §25.235 |
Fuel Costs. (Proposed Revision Pending) |
07/05/99 |
| §25.236 |
Recovery of Fuel Costs. (Proposed Revision Pending) |
06/10/14 |
| §25.237 |
Fuel Factors. (Proposed Revision Pending) |
09/04/08 |
| §25.238 |
Purchased Power Capacity Cost Recover Factor (PCRF). |
07/19/23 |
| §25.239 |
Transmission Cost Recovery Factor for Certain Electric Utilities. |
01/03/08 |
| §25.240 |
Contribution Disclosure Statements in Appeals of Municipal Utility Rates. |
07/19/23 |
| §25.241 |
Form and Filing of Tariffs. |
06/22/99 |
| §25.242 |
Arrangements Between Qualifying Facilities and Electric Utilities. |
01/08/09 |
| §25.243 |
Distribution Cost Recovery Factor (DCRF). |
10/13/11 |
| §25.244 |
Billing Demand for Certain Utility Customers. |
06/12/12 |
| §25.245 |
Rate-Case Expenses. |
08/26/14 |
| §25.246 |
Rate Filing Standards and Procedures for Non-ERCOT Utilities. |
07/31/16 |
| §25.247 |
Rate Review Schedule. |
11/28/18 |
| §25.248 |
Generation Cost Recovery Rider. |
07/28/20 |
| §25.251 |
Renewable Energy Tariff. |
11/19/98 |
|
| |
Division 2. Recovery of Stranded Costs |
| §25.261 |
Stranded Cost Recovery of Environmental Cleanup Costs. |
10/01/00 |
| §25.263 |
True-up Proceeding. |
07/20/06 |
| §25.264 |
Quantification of Stranded Costs of Nuclear Generation Assets. |
06/12/03 |
| §25.265 |
Securitization by River Authorities and Electric Cooperatives. |
03/01/00 |
|
| Subchapter K |
Relationships with Affiliates |
| §25.271 |
Foreign Utility Company Ownership by Exempt Holding Companies. |
07/19/23 |
| §25.272 |
Code of Conduct for Electric Utilities and Their Affiliates. |
06/26/14 |
| §25.273 |
Contracts between Electric Utilities and Their Competitive Affiliates. |
12/20/99 |
| §25.275 |
Code of Conduct for Municipally Owned Utilities and Electric Cooperatives Engaged In Competitive Activities. |
03/28/01 |
|
| Subchapter L |
Nuclear Decommissioning |
| §25.301 |
Nuclear Decommissioning Trusts. |
07/19/23 |
| §25.303 |
Nuclear Decommissioning Following the Transfer of Texas Jurisdictional Nuclear Generating Plant Assets. |
10/26/04 |
| §25.304 |
Nuclear Decommissioning Funding and Requirements for Power Generation Companies. |
01/09/14 |
|
| Subchapter M |
Competitive Metering. |
| §25.311 |
Competitive Metering Services. |
05/30/07 |
|
| Subchapter 0 |
Unbundling and Market Power
Division 1. Unbundling |
| §25.341 |
Definitions. |
10/09/03 |
| §25.342 |
Electric Business Separation. |
10/09/03 |
| §25.343 |
Competitive Energy Services. |
07/11/05 |
| §25.344 |
Cost Separation Proceedings. |
05/13/18 |
| §25.345 |
Recovery of Stranded Costs Through Competition Transition Charge (CTC). |
02/09/00 |
| §25.346 |
Separation of Electric Utility Metering and Billing Service Costs and Activities. |
05/30/07 |
|
|
Division 2. Independent Organizations |
| §25.361 |
Electric Reliability Council of Texas (ERCOT). |
06/20/12 |
| §25.362 |
Electric Reliability Council of Texas (ERCOT) Governance. |
06/26/14 |
| §25.363 |
ERCOT Budget and Fees. |
07/15/14 |
| §25.364 |
Decertification of an Independent Organization. |
10/19/09 |
| §25.365 |
Independent Market Monitor. |
04/29/07 |
| §25.366 |
Internet Broadcasting of Public Meetings of an Independent Organization. |
02/04/10 |
| §25.367 |
Cybersecurity Monitor. |
06/04/20 |
|
|
Division 3. Capacity Auction |
| §25.381 |
Capacity Auctions. |
07/31/03 |
|
|
Division 4. Other Market Power Issues |
| §25.401 |
Share of Installed Generation Capacity. |
08/31/00 |
|
|
Division 5. Competition in Non-ERCOT Areas. |
| §25.421 |
Transition to Competition for a Certain Area Outside the Electric Reliability Council of Texas Region. |
11/07/04 |
| §25.422 |
Transition to Competition for Certain Areas within the Southwest Power Pool. |
09/18/06 |
|
| Subchapter P |
Pilot Projects |
| §25.431 |
Retail Competition Pilot Project. |
05/13/18 |
|
| Subchapter R |
Customer Protection Rules for Retail Electric Service. |
| §25.471 |
General Provisions of Customer Protection Rules. |
01/06/22 |
| §25.472 |
Privacy of Customer Information.
| 03/08/07 |
| §25.473 |
Non-English Language Requirements. |
03/08/07 |
| §25.474 |
Selection of Retail Electric Provider. |
03/08/17 |
| §25.475 |
General Retail Electric Provider Requirements and Information Disclosures to Residential and Small Commercial Customers. |
01/06/22 |
| §25.476 |
Renewable and Green Energy Verification. |
03/16/09 |
| §25.477 |
Refusal of Electric Service. |
06/01/04 |
| §25.478 |
Credit Requirements and Deposits. |
05/13/18 |
| §25.479 |
Issuance and Format of Bills. |
01/06/22 |
| §25.480 |
Bill Payment and Adjustments. |
05/13/18 |
| §25.481 |
Unauthorized Charges. |
03/08/07 |
| §25.482 |
Prompt Payment Act. |
10/03/10 |
| §25.483 |
Disconnection of Service. |
07/19/23 |
| §25.484 |
Electric No-Call List. |
07/02/06 |
| §25.485 |
Customer Access and Complaint Handling. |
04/26/23 |
| §25.486 |
Customer Protections for Brokerage Services. |
07/19/23 |
| §25.487 |
Obligations Related to Move-In Transactions. |
08/04/03 |
| §25.488 |
Procedures for a Premise with No Service Agreement. |
03/08/07 |
| §25.489 |
Treatment of Premises with No Retail Electric Provider of Record. |
08/04/03 |
| §25.490 |
Moratorium on Disconnection on Move-Out. |
08/04/03 |
| §25.491 |
Record Retention and Reporting Requirements. |
05/13/18 |
| §25.492 |
Non-Compliance with Rules or Orders; Enforcement by the Commission. |
01/15/01 |
| §25.493 |
Acquisition and Transfer of Customers from one Retail Electric Provider to Another. |
03/08/07 |
| §25.495 |
Unauthorized Change of Retail Electric Provider. |
04/26/23 |
| §25.497 |
Critical Load Industrial Customers, Critical Load Public Safety Customers, Critical Care Residential Customers, and Chronic Condition Residential Customers. |
05/13/18 |
| §25.498 |
Prepaid Service. |
01/06/22 |
| §25.499 |
Acknowledgement of Risk Requirements for Certain Commerical Contracts. |
01/06/22 |
| §25.500 |
Privacy of Advanced Metering System Information. |
09/29/24 |
|
| Subchapter S |
Wholesale Markets |
| §25.501 |
Wholesale Market Design for the Electric Reliability Council of Texas. |
04/18/12 |
| §25.502 |
Pricing Safeguards in Markets Operated by the Electric Reliability Council of Texas. |
12/05/19 |
| §25.503 |
Oversight of Wholesale Market Participants. |
03/04/21 |
| §25.504 |
Wholesale Market Power in the Electric Reliability Council of Texas Power Region. (Proposed Revision Pending) |
05/15/24 |
| §25.505
|
Resource Adequacy Reporting Requirements in the Electric Reliability Council of Texas Power Region.
|
05/11/22 |
| §25.506 |
Publication of Resource and Load Information in the Electric Reliability Council of Texas Power Region.
| 05/28/25 |
| §25.507 |
Electric Reliability Council of Texas (ERCOT) Emergency Response Service (ERS). |
08/04/22 |
|
§25.508 |
Reliability Standard for the ERCOT Region. |
09/29/24 |
| §25.509 |
Scarcity Pricing Mechanism for the Electric Reliability Council of Texas Power Region. |
12/20/23 |
| §25.510 |
Texas Energy Fund In-ERCOT Generation Loan Program. |
10/02/24 |
| §25.511 |
Texas Energy Fund Completion Bonus Grant Program |
05/15/24 |
| §25.512 |
Texas Energy Fund Grants for Facilities outside of the ERCOT Region |
03/05/25 |
| §25.515 |
Texas Backup Power Package Advisory Committee. |
11/23/23 |
| §25.517 |
Exemption Process for ERCOT Reliability Requirements. |
07/10/25 |
|
| Appendices |
|
| Appendix I |
Cross Reference: Location of Rule Section in Chapter 23 to New Location in Chapter 25 or Chapter 26. |
01/22/01 |
| Appendix II |
Electric Commonly Used Acronyms. |
01/13/03 |
| Appendix III |
Records, Reports, and Other Information that May be Required. |
07/10/25 |
| Appendix IV |
Does not exist - the Tariff for Retail Electric Delivery Service can be found under Substantive Rule 25.214(d)(1). |
|
| Appendix V |
Tariff for Competitive Retailer Access of a Municipally Owned Utility or Electric Cooperative. |
08/23/01 |
|