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Other Income and Other Expense (Tables) | 9 Months Ended
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Sep. 30, 2020
Other Income and Expenses [Abstract] |
Detail of other income and other expense | The following table provides detail of Pinnacle West's Consolidated other income and other expense (dollars in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Other income: |  |  |  |  |  |  |
Interest income | $ | 2,956 |  |  | $ | 2,694 |  |  | $ | 8,988 |  |  | $ | 7,695 |
Investment gains (losses) - net | — |  |  | — |  |  | 2,594 |  |  | — |
Debt return on Four Corners SCR deferrals (Note 4) | 4,260 |  |  | 4,920 |  |  | 11,649 |  |  | 14,651 |
Debt return on Ocotillo modernization project (Note 4) | 6,663 |  |  | 7,555 |  |  | 19,511 |  |  | 12,849 |
Miscellaneous | 2 |  |  | 22 |  |  | 146 |  |  | 50 |
Total other income | $ | 13,881 |  |  | $ | 15,191 |  |  | $ | 42,888 |  |  | $ | 35,245 |
Other expense: |  |  |  |  |  |  |
Non-operating costs | $ | (2,453) |  |  | $ | (2,647) |  |  | $ | (7,401) |  |  | $ | (8,832) |
Investment gains (losses) — net | (291) |  |  | (716) |  |  | — |  |  | (1,445) |
Miscellaneous | (3,094) |  |  | (2,377) |  |  | (7,025) |  |  | (4,171) |
Total other expense | $ | (5,838) |  |  | $ | (5,740) |  |  | $ | (14,426) |  |  | $ | (14,448) |
The following table provides detail of APS’s other income and other expense (dollars in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Other income: |  |  |  |  |  |  |
Interest income | $ | 2,403 |  |  | $ | 2,037 |  |  | $ | 6,927 |  |  | $ | 5,091 |
Debt return on Four Corners SCR deferrals (Note 4) | 4,260 |  |  | 4,920 |  |  | 11,649 |  |  | 14,651 |
Debt return on Ocotillo modernization project (Note 4) | 6,663 |  |  | 7,555 |  |  | 19,511 |  |  | 12,849 |
Miscellaneous | 2 |  |  | 22 |  |  | 146 |  |  | 50 |
Total other income | $ | 13,328 |  |  | $ | 14,534 |  |  | $ | 38,233 |  |  | $ | 32,641 |
Other expense: |  |  |  |  |  |  |
Non-operating costs | $ | (1,906) |  |  | $ | (2,448) |  |  | $ | (6,501) |  |  | $ | (7,965) |
Miscellaneous | (893) |  |  | (378) |  |  | (4,825) |  |  | (2,167) |
Total other expense | $ | (2,799) |  |  | $ | (2,826) |  |  | $ | (11,326) |  |  | $ | (10,132) |

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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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