Company: SCE-PL
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001193125-25-053812
Chunk: 10

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-03-13
Form: 424B5
Chunk 10
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 that these approvals could be obtained by the indenture trustees on a timely basis or at
all.

S-8

USE OF PROCEEDS

We intend to use the net proceeds from the offering of the bonds to repay commercial paper borrowings and for general corporate purposes. The
current weighted average interest rate of our commercial paper borrowings is approximately 4.74%.

S-9

CERTAIN TERMS OF THE BONDS

The following description of the particular terms of the bonds supplements the description of the general terms and provisions of the first
mortgage bonds set forth in the accompanying prospectus.

General

The bonds will be issued as additional series of our secured debt securities issued under a Trust Indenture, dated as of October 1, 1923,
between us and The Bank of New York Mellon Trust Company, N.A. and Reginald Brewer, as trustees, as amended and supplemented by supplemental indentures and the One Hundred Sixty-First Supplemental Indenture, to be dated as of March 13, 2025
(which we refer to collectively as the “first mortgage bond indenture”). The following summary of the first mortgage bond indenture is subject to all of the provisions of the first mortgage bond indenture.

Payments of principal and interest on the bonds issued in book-entry form will be made as described under the caption “Book-Entry,
Delivery, and Form” below.

The bonds will be issued only in fully registered form, without coupons, in denominations of $1,000 or
any integral multiple of $1,000.

Interest and Maturity

The bonds are initially limited to $850,000,000 in principal amount for the Series 2025C Bonds and $650,000,000 for the Series 2025D Bonds. The
bonds will bear interest from March 17, 2025 at 5.25% per annum for the Series 2025C Bonds and at 6.20% per annum for the Series 2025D Bonds, payable semi-annually on March 15 and September 15 of each year, beginning on
September 15, 2025. The Series 2025C Bonds will mature on March 15, 2030. The Series 2025D Bonds will mature on September 15, 2055.

General

The amount of interest
payable on the bonds for any period will be computed on the basis of a 360-day year consisting of twelve 30-day months,