Open Access Information

FERC Open Access Information

On this page you will find information on SCE's tariffs for wholesale customers under the jurisdiction of the Federal Energy Regulatory Commission (FERC): the Transmission Owner Tariff and the Wholesale Distribution Access Tariff.

The Transmission Owner Tariff provides, in conjunction with the California Independent System Operator ("CAISO") tariff, certain terms and conditions for service utilizing SCE's transmission facilities that have been turned over to the operational control of the CAISO.
The Wholesale Distribution Access Tariff provides the terms and conditions for service utilizing SCE's distribution facilities that are under its operational control.

In this section, SCE posts its currently effective rates for transmission service and formula transmission rate information.

Attention: For information on the requirements and processes for interconnecting projects to SCE’s electric system, please visit SCE's grid interconnection webpage at: on.sce.com/gridinterconnections.

Currently Effective FERC Wholesale and Retail Transmission Rates

Tariffs

Transmission Owner Tariff (TOT) Combined - effective January 1, 2024

Wholesale Distribution Access Tariff (WDAT) Combined* - effective March 26, 2024

Title Page, 15.0.0 – effective May 1, 2019
Table of Contents, 20.0.0 – effective June 15, 2021
Section 1, Preamble and Applicability, 16.0.0 – effective October 30, 2019
Section 2, Definitions, 20.0.0 - effective June 15, 2021
Section 3, Ancillary Services, 15.0.0 – effective June 15, 2021
Section 4, Not Used, 15.0.0 – effective May 1, 2019
Section 5, Billing and Payment, 15.0.0 – effective May 1, 2019
Section 6, Regulatory Filings, 15.0.0 – effective May 1, 2019
Section 7, Uncontrollable Forces and Indemnification, 15.0.0 – effective May 1, 2019
Section 8, Creditworthiness, 15.0.0 – effective May 1, 2019
Section 9, Dispute Resolution, 15.0.0 – effective May 1, 2019
Section 10, Governing Law, 15.0.0 – effective May 1, 2019
Section 11, Not Used, 15.0.0 – effective May 1, 2019
Section 12, Nature of Distribution Service, 16.50.0 - effective October 30, 2019
Section 13, Service Availability, 16.0.0 – effective October 30, 2019
Section 14, Distribution Customer Responsibilities, 17.0.0 – effective October 30, 2019
Section 15, Procedures for Arranging Distribution Service, 19.0.0 – effective June 15, 2021
Section 16, Additional Study Procedures For Distribution Service Re, 17.0.0 – effective October 30, 2019
Section 17, Procedures if the Distribution Provider is Unable to Co, 15.0.0 – effective May 1, 2019
Section 18, Not Used, 15.0.0 – effective May 1, 2019
Section 19, Not Used, 15.0.0 – effective May 1, 2019
Section 20, Metering and Power Factor Correction at the Point of Receipt or the Point of Delivery, 15.0.0 – effective May 1, 2019
Section 21, Compensation for Distribution Service, 16.50.0 - effective October 30, 2019
Section 22, Stranded Cost Recovery, 15.0.0 – effective May 1, 2019
Section 23, Not Used, 15.0.0 – effective May 1, 2019
Section 24, Standards of Conduct, 15.0.0 – effective May 1, 2019
Attachment A Form of Service Agreement for Wholesale Distribution Service, 20.0.0 - effective June 15, 2021
Attachment B Technical and Operational Implementation of the Tariff for Wholesale Distribution Load, 15.0.0- effective May 1, 2019
Attachment C Technical and Operational Implementation of the Tariff for Generation Resources, 16.0.0 - effective October 30, 2019
Attachment D Methodology for Completing a System Impact Study, 15.0.0 - effective May1, 2019
Attachment E Index of Wholesale Distribution Service Customers, 15.0.0 - effective May 1, 2019
Attachment F Standard Large Generator Interconnection Procedures, 15.0.0 - effective May 1, 2019
Attachment G Standard Small Generator Interconnection Procedures, 15.0.0 - effective May 1, 2019
Attachment H Clustering Large Generator Interconnection Procedures, 15.0.0 - effective May 1, 2019
Attachment I Generator Interconnection Procedures, 26.0.0 - effective March 26, 2024
- Appendix 1 Interconnection Request for a Generating Facility, 22.0.0 - effective December 21, 2022
- Appendix 2 Procedures for Transitioning Interconnection Requests, 15.1.0 - effective May 1, 2019
- Appendix 3 Generator Interconnection Study Process Agreement for Cluster Study Process, 22.0.0 - effective March 26, 2024
- Appendix 4 Independent Study Process Study Agreement, 19.0.0 - effective March 26, 2024
- Appendix 5 Generator Interconnection Agreement CSP, 15.0.0 - effective May 1, 2019
  - Appendix 5.1 Generator Interconnection Agreement CSP for QC4, 15.0.0 - effective May 1, 2019
  - Appendix 5.2 Generator Interconnection Agreement CSP, 21.0.0 - effective December 21, 2022
- Appendix 6 Generator Interconnection Agreement Independent Study Process, 15.0.0 - effective May 1, 2019
  - Appendix 6.1 Generator Interconnection Agreement ISP for QC4, 15.0.0 - effective May 1, 2019
  - Appendix 6.2 Generator Interconnection Agreement ISP for QC5, 21.0.0 - effective December 21, 2022
- Appendix 7 Generator Interconnection Agreement Fast Track Process, 21.0.0 - effective December 21, 2022
- Appendix 8 Certification Codes and Standards, 15.0.0 - effective May 1, 2019
- Appendix 9 Certification of Small Generator Equipment Packages, 15.0.0 - effective May 1, 2019
- Appendix 10 Application, Procedures, and Terms and Conditions, 15.0.0 - effective May 1, 2019
- Appendix 11 Letter Agreement, 2.0.0 - effective June 15, 2021
Attachment J, Rate Schedule for Recovery of Costs, 4.0.0 - effective October 1, 2021
Attachment K, Rate Schedule for Recovery of Costs Associated with Charging Distribution Service, 2.50.0 - effective October 30, 2019
Attachment L, Generator Interconnection Agreement Qualifying Facility, 2.0.0 - effective June 15, 2021

TO Tariff Activities

Environmental Services Work

Contact Us

Should you have any questions regarding SCE's Open Access Information, please contact David Schiada in SCE's Regulatory Operations:
Email: David.Schiada@sce.com

If you have questions regarding SCE's generation interconnection processes, please use the contact information below:
Email: interconnectionQA@sce.com
Phone: (626) 302-3688

Mailing Address:

Grid Interconnection & Contract Development
Southern California Edison
2244 Walnut Grove Ave
PO Box 945
Rosemead, CA 91770