Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 61

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 61
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us 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 5.25% First and Refunding Mortgage Bonds, Series 2025C, Due 2030 $650,000,000 6.20% First and Refunding Mortgage Bonds, Series 2025D, Due 2055 PROSPECTUS SUPPLEMENT (To Prospectus dated July 25, 2024) March 12, 2025 Joint Book-Running Managers

| Barclays |     | Citigroup |     | J.P. Morgan |     | MUFG |

| BNP PARIBAS |     | SMBC Nikko |     | TD Securities |

Co-Managers

| Apto Partners, LLC   |     | Bancroft Capital               |     | Drexel Hamilton         |
| Loop Capital Markets |     | Mischler Financial Group, Inc. |     | Penserra Securities LLC |
| Ramirez & Co., Inc.  |     | Stern                          |     | Telsey Advisory Group   |