Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 4

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 4
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 the market structure rules applicable to each market adopted by the North American Electric Reliability Corporation, and similar regulatory bodies in adjoining regions, and changes in the United States’ and California’s 
 environmental priorities that lessen the importance placed on greenhouse gas reduction and other climate related priorities;                                                                                                          |

| • |     | potential for penalties or disallowances for non-compliance with                                                                                                  
 applicable laws and regulations, including fines, penalties and disallowances related to wildfires where our equipment is alleged to be associated with ignition; |

| • |     | extreme weather-related incidents (including events caused, or exacerbated, by climate change), such as                                                                                                                                               
 wildfires, debris flows, flooding, droughts, high wind events and extreme heat events) and other natural disasters (such as earthquakes), which could cause, among other things, worker and public safety issues, property damage, outages, and other 
 operational issues (such as issues due to damaged infrastructure), PSPS activations and unanticipated costs;                                                                                                                                          |

| • |     | risks associated with the decommissioning of the San Onofre Nuclear Generating Station, including those related                                                                                            
 to worker and public safety, public opposition, permitting, governmental approvals, on-site storage of spent nuclear fuel and other radioactive material, delays, contractual disputes, and cost overruns; |

| • |     | risks associated with cost allocation, resulting in higher rates for utility bundled service customers because of                                                                                                                                     
 possible customer bypass or departure for other electricity providers such as Community Choice Aggregators, which are cities, counties, and certain other public agencies with the authority to generate and/ or purchase electricity for their local 
 residents and businesses, and electric service providers;                                                                                                                                                                                             |

| • |     | actions by credit rating agencies to downgrade our credit ratings or to place those ratings on negative watch or 
 negative outlook;                                                                                                |

| • |     | changes in tax laws and regulations, at both the state and federal levels, or changes in the application of those 
 laws, that could affect recorded deferred tax assets and liabilities, effective tax rates, and cash flows;        |

| • |     | changes in rates of inflation (including whether inflation-related adjustments to our authorized revenues allowed                                                                                           
 by the public utility regulators are commensurate with inflation rates) ), and changes in interest rates and potential future adjustments to SCE’s ROE based on changes in Moody’s utility bond rate index; |

| • |     | availability and creditworthiness of counterparties and the resulting effects on liquidity in the power and fuel