Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 1

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 1
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 2025D  
 Bond   |        |   |     | Total |             |
|:-------------------------------|:----|:-------|-------:|:--|:----|:------|------------:|:----|:-------|-------:|:--|:----|:------|------------:|
| Public offering price          |     |        | 99.940 | % |     | $     | 849,490,000 |     |        | 99.390 | % |     | $     | 646,035,000 |
| Underwriting discount          |     |        |  0.600 | % |     | $     |   5,100,000 |     |        |  0.875 | % |     | $     |   5,687,500 |
| Proceeds to us before expenses |     |        | 99.340 | % |     | $     | 844,390,000 |     |        | 98.515 | % |     | $     | 640,347,500 |

Interest on the bonds will accrue from March 17, 2025. The bonds are expected to be delivered in global form through the book-entry delivery system of The Depository Trust Company for the accounts of its participants, including Clearstream Banking, S.A., and Euroclear Bank SA/NV, on or about March 17, 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   |

March 12, 2025

We are responsible for the information contained and incorporated by reference in this prospectus supplement and the accompanying prospectus and in any related free writing prospectus that we prepare or authorize. We have not, and the underwriters have not, authorized anyone to provide you with any other information, and neither we nor the underwriters take any responsibility for any other information that others may provide you. Neither we nor the underwriters are making an offer