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Other Income and Other Expense (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Income and Expenses [Abstract] |
Schedule of other income and other expense | The following table provides detail of Pinnacle West’s Consolidated other income and other expense for 2023, 2022 and 2021 (dollars in thousands):
| 2023 |  | 2022 |  | 2021
Other income: |  |  |  |  |
Interest income | $ | 27,242 |  | (a) | $ | 7,326 |  |  | $ | 6,726 |
Gain on Sale of BCE (Note 20) | 6,205 |  |  | — |  |  | — |
Debt return on Four Corners SCR deferral (Note 3) | — |  |  | — |  |  | 14,955 |
Debt return on Ocotillo modernization project (Note 3) | — |  |  | — |  |  | 23,366 |
Miscellaneous | 219 |  |  | 590 |  |  | 53 |
Total other income | $ | 33,666 |  |  | $ | 7,916 |  |  | $ | 45,100 |
Other expense: |  |  |  |  |
Non-operating costs | $ | (15,260) |  |  | $ | (18,619) |  |  | $ | (13,008) |
Investment gains (losses) — net | (3,402) |  |  | (20,537) |  | (b) | (1,367) |
Miscellaneous | (6,394) |  |  | (13,229) |  | (c) | (11,021) |
Total other expense | $ | (25,056) |  |  | $ | (52,385) |  |  | $ | (25,396) |
(a)The 2023 interest income is primarily related to PSA Interest. See Note 3. (b)The 2022 investment loss is primarily related to an impairment of PNW Power’s Clear Creek wind farm investment. See Note 10. (c)The 2022 miscellaneous amount includes donations of $7 million to the APS Foundation. The following table provides detail of APS’s other income and other expense for 2023, 2022 and 2021 (dollars in thousands):
| 2023 |  | 2022 |  | 2021
Other income: |  |  |  |  |
Interest income | $ | 26,853 |  | (a) | $ | 5,332 |  |  | $ | 4,692 |
Debt return on Four Corners SCR deferral (Note 3) | — |  |  | — |  |  | 14,955 |
Debt return on Ocotillo modernization project (Note 3) | — |  |  | — |  |  | 23,366 |
Miscellaneous | 219 |  |  | 556 |  |  | 40 |
Total other income | $ | 27,072 |  |  | $ | 5,888 |  |  | $ | 43,053 |
Other expense: |  |  |  |  |
Non-operating costs | $ | (14,070) |  |  | $ | (15,579) |  |  | $ | (10,080) |
Miscellaneous | (4,194) |  |  | (10,529) |  | (b) | (8,817) |
Total other expense | $ | (18,264) |  |  | $ | (26,108) |  |  | $ | (18,897) |
(a)The 2023 interest income is primarily related to PSA Interest. See Note 3. (b)The 2022 miscellaneous amount includes donations of $7 million to the APS Foundation.

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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