Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 2

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 2
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 parts of this document combined. If the description of the bonds varies between this prospectus supplement and the accompanying base
prospectus, you should rely on the information in this prospectus supplement.

References in this prospectus to “Southern California
Edison,” “we,” “us,” and “our” mean Southern California Edison Company, a California corporation. In this prospectus, we refer to our Series 2025C Bonds and Series 2025D Bonds, which are offered hereby, as the
“bonds.” We refer to all of our outstanding First and Refunding Mortgage Bonds as our “first mortgage bonds.”

S-1

FORWARD-LOOKING STATEMENTS This prospectus and the documents they incorporate by reference contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements reflect our current expectations and projections about future events based on our knowledge of present facts and circumstances and assumptions about future events and include any statement that does not directly relate to a historical or current fact. In this prospectus and elsewhere, the words “expects,” “believes,” “anticipates,” “estimates,” “projects,” “intends,” “plans,” “probable,” “may,” “will,” “could,” “would,” “should,” “targets,” and variations of such words and similar expressions, or discussions of strategy or of plans, are intended to identify forward-looking statements. Such statements necessarily involve risks and uncertainties that could cause actual results to differ materially from those anticipated. Some of the risks, uncertainties and other important factors that could cause results to differ from those currently expected, or that otherwise could impact us, include, but are not limited to:

| • |     | our ability to recover costs through regulated rates, timely or at all, including uninsured wildfire-related and                                                                       
 debris flow-related costs (including amounts paid for self-insured retention and co-insurance), and costs incurred to mitigate the risk of utility equipment causing future wildfires; |

| • |     | the cybersecurity of Edison International’s and SCE’s critical information technology systems for grid                                         
 control and business, employee and customer data, and the physical security of Edison International’s and SCE’s critical assets and personnel; |

| • |     | risks associated with the operation and maintenance of electrical facilities, including worker, contractor, and                                                                                             
 public safety issues, the risk of utility assets causing or contributing to wildfires, failure, availability, efficiency, and output of equipment and facilities, and availability and cost