Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 3

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 3
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 of spare parts; |

| • |     | impact of affordability of customer rates on our ability to execute our strategy, including the impact of                                                                                                                                           
 affordability on our ability to obtain regulatory approval of, or coast recovery for, operations and maintenance expenses, proposed capital investment projects, and increased costs due to supply chain constraints, tariffs, inflation and rising 
 interest rates;                                                                                                                                                                                                                                     |

| • |     | ability of SCE to update its grid infrastructure to maintain system integrity and reliability, and meet 
 electrification needs;                                                                                  |

| • |     | our ability to implement our operational and strategic plans, including our Wildfire Mitigation Plan and capital                                                                                                                                
 investment program, including those related to project site identification, public opposition, environmental mitigation, construction, permitting, contractor performance, changes in the California Independent System Operator’s transmission 
 plans, and governmental approvals;                                                                                                                                                                                                              |

| • |     | risks of regulatory or legislative restrictions that would limit our ability to implement operational measures to                                                                                                            
 mitigate wildfire risk, including our Public Safety Power Shutoff Program (“PSPS”) and fast curve settings, when conditions warrant or would otherwise limit our operational practices relative to wildfire risk mitigation; |

| • |     | our ability to obtain safety certifications from the Office of Energy Infrastructure Safety; |

| • |     | risk that California Assembly Bill 1054 (“AB 1054”) does not effectively mitigate the significant                                                                                                                                                         
 exposure faced by California investor-owned utilities related to liability for damages arising from catastrophic wildfires where utility facilities are alleged to be a substantial cause, including the longevity of the Wildfire Insurance Fund and the 
 California Public Utilities Commission’s (“CPUC”) interpretation of and actions under AB 1054, including its interpretation of the prudency standard clarified by AB 1054;                                                                                |

| • |     | our ability to effectively attract, manage, develop and retain a skilled workforce, including contract workers; |

S-2

| • |     | decisions and other actions by the CPUC, the Federal Energy Regulatory Commission, the Nuclear Regulatory                                                                                                                                     
 Commission and other governmental authorities, including decisions and actions related to nationwide or statewide crisis, determinations of authorized rates of return on return on equity, the recoverability of wildfire-related and debris 
 flow-related costs, issuance of our wildfire safety certification, wildfire mitigation efforts, approval and implementation of electrification programs, and delays in executive, regulatory and legislative actions;                         |

| • |     | governmental, statutory, regulatory or administrative changes or initiatives affecting the electricity industry,                                                                                                                      
 including