Company: SCE-PL
Filing Date: 2025-01-07
Form Type: 424B5
Source: 0001193125-25-002794
Chunk: 58

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-01-07
Form: 424B5
Chunk 58
---
 constitute part of this prospectus.

This prospectus is part of a registration statement that we filed with the Securities and Exchange Commission. You may obtain the full
registration statement from the Securities and Exchange Commission or us, as indicated below. We filed forms or copies of the articles of incorporation, indentures and other documents establishing the terms of the offered securities as exhibits to
the registration statement. Statements in this prospectus or any supplement about these documents are summaries. You should refer to the actual documents for a more complete description of the relevant matters.

20

Incorporation by Reference The rules of the Securities and Exchange Commission allow us to “incorporate by reference” into this prospectus, which means that we can disclose important information to you by referring you to another document filed separately with the Securities and Exchange Commission. The information incorporated by reference is considered to be part of this prospectus, and later information that we file with the Securities and Exchange Commission will automatically update and supersede the earlier information. Information that is furnished, rather than filed, on certain of our Current Reports on Form 8-Kis not incorporated by reference in this prospectus, unless such information is expressly incorporated herein by a reference in such furnished Current Report on Form 8-Kor other furnished document. This prospectus incorporates by reference the documents listed below that we have previously filed or may file in the future with the Securities and Exchange Commission. These documents contain important information about Southern California Edison.

| • |     | All additional documents that we file with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Securities                        
 Exchange Act of 1934 between the date of this prospectus and the end of the offering of the securities described in this prospectus. |

Upon request, we will provide a copy of any of these filings without charge to each person to whom a copy of this prospectus has been delivered. You may request a copy of these filings by writing or calling us at: Southern California Edison Company 2244 Walnut Grove Avenue P.O. Box 800 Rosemead, California 91770 Attention: Corporate Governance Telephone (626) 302-4008 21

Southern California Edison Company $850,000,000 5.45% First and Refunding Mortgage Bonds, Series 2025A, Due 2035 $650,000,000 5.90% First and Refunding Mortgage Bonds, Series 2025B, Due 2055 PROSPECTUS SUPPLEMENT (To