The company said the sole purpose of this 8-K/A is to correct the original cost rate base amount disclosed in Item 8.01 of the original 8-K filed on June 13, 2025. It said it does not amend or update any other disclosures or exhibits.

1. 01

   The company said the sole purpose of this 8-K/A is to correct the original cost rate base amount disclosed in Item 8.01 of the original 8-K filed on June 13, 2025. It said it does not amend or update any other disclosures or exhibits.

2. 02

   The company said APS is seeking a net base rate increase of $579.52 million, or 13.99%. It said the request offsets proposed transfers of adjustor cost recovery to base rates against a total base revenue deficiency of $662.44 million.

3. 03

   The company said its application proposes a test year of 12 months ending December 31, 2024 and an original cost rate base of $12.5 billion. It said the proposed capital structure is 47.65% long-term debt at a cost of 4.26% and 52.35% common stock equity at 10.7%, with a weighted-average cost of capital of 7.63%.

4. 04

   The company said it has proposed a Formula Rate Adjustment Mechanism to reduce regulatory lag and allow for rate gradualism, and that it requested the increase take effect in the second half of 2026. It also said APS cannot predict the outcome of its request or when the ACC will decide it.

Analysis scope · Filing bodyWe analyzed the filing body and confirmed exhibits. This is not a review of other exhibits, investor presentations or the full earnings call.

AI summarized the filing and translated the summary into English; it may differ from the original. For reference only, not investment advice. AI translated the published Korean report into English. Figures are copied as filed, not recalculated.

Original filing

The filing as submitted to SEC EDGAR. You can check the figures and statements of this summary against it.