Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 33

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 33
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 and telephone number of our principal executive offices are 2244 Walnut Grove Avenue, P.O. Box 800, Rosemead, CA 91770 and (626) 302-1212. RISK FACTORS Investing in our securities involves risks. Before purchasing any securities we offer, you should carefully consider the risk factors that are incorporated by reference herein from the section captioned “Risk Factors” in our most recent Annual Report on Form 10-K,together with all of the other information included in this prospectus and any prospectus supplement and any other information that we have incorporated by reference, including filings made with the Securities and Exchange Commission subsequent to the date hereof. Any of these risks, as well as other risks and uncertainties, could harm our financial condition, results of operations or cash flows. USE OF PROCEEDS Except as otherwise described in a prospectus supplement, we intend for the net proceeds of the offered securities to be used to redeem, repay or retire outstanding debt or other securities, to finance construction expenditures, or for other general corporate purposes. DESCRIPTION OF THE SECURITIES The following is a general description of the terms and provisions of the securities we may offer and sell by this prospectus in one or more distinct offerings. These summaries are not meant to be a complete description of each security. This prospectus and any accompanying prospectus supplement will contain the material terms and conditions for each security. The prospectus supplement may add, update or change the terms and conditions of the securities as described in this prospectus. For more information about the securities, please refer to:

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| • |     | the form of indenture between Southern California Edison and Bank of New York Mellon Trust Company, N.A., as                         
 trustee, for the issuance of subordinated debt securities, which we refer to as the “subordinated indenture” in this prospectus; and |

| • |     | Southern California Edison’s amended and restated articles of incorporation, which are referred to in this 
 prospectus as the “articles of incorporation.”                                                             |

We have filed or incorporated by reference forms or copies of these documents as exhibits to the registration statement. In this prospectus we sometimes refer to the senior indenture and subordinated indenture together as the “unsecured indentures” and each separately as an “unsecured indenture.” We refer to each trustee for each indenture as the “indenture trustee.” The first mortgage bond indenture and the unsecured indentures are governed by the Trust Indenture Act of 193