Company: SCE-PL
Filing Date: 2025-10-28
Form Type: SF-1/A
Source: 0001193125-25-253849
Chunk: 69

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-10-28
Form: SF-1/A
Chunk 69
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 continuously improved and have been in their current structure for more than five years. SCE’s model specifications and outputs have undergone extensive review by the CPUC and the California Energy Commission. Each year SCE updates these models with the most recent recorded data, and conducts testing to ensure that model statistics meet the highest standards possible. SCE’s forecast for retail customers served by Direct Access providers reflects the direct access cap (DA cap) starting in 2021. SCE expects providers to continue increasing until reaching a new cap by the end of 2028. - 55 -

SCE service territory has several operational CCAs resulting in load departing from bundled service. Existing and expected future CCA generation departing load is also forecast by SCE. SCE’s bundled sales forecast starts with the total retail sales forecast and incorporates known and expected future generation departing load, as well as a probabilistic forecast of incremental generation departing load to account for the possibility of unknown, future CCA formation. The table below shows energy forecasts and variances from the forecast for the five years 2020-2024.

| Annual Forecast Variance             
 For Ultimate Electric Delivery (GWh) |     |      |        |   |     |      |        |   |     |      |        |   |     |      |        |   |     |      |        |   |
|                                      |     | 2020 |        |   |     | 2021 |        |   |     | 2022 |        |   |     | 2023 |        |   |     | 2024 |        |   |
| Forecast                             |     |      | 80,200 |   |     |      | 77,100 |   |     |      | 77,300 |   |     |      | 82,673 |   |     |      | 80,195 |   |
| Actual                               |     |      | 81,100 |   |     |      | 80,000 |   |     |      | 83,500 |   |     |      | 77,507 |   |     |      | 79,982 |   |
| Variance (%)                         |     |      |   -1.1 | % |     |      |   -3.6 | % |     |      |   -7.4 | % |     |      |    6.7 | % |     |      |    0.3 | % |

Variances among the FRC consumer