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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table provides detail of Pinnacle West's consolidated revenue disaggregated by revenue sources (dollars in thousands):
| Year Ended December 31, |  | Year Ended December 31,
| 2019 |  | 2018
Retail Electric Service |  |  |
Residential | $ | 1,761,122 |  |  | $ | 1,867,370 |
Non-Residential | 1,509,514 |  |  | 1,628,891 |
Wholesale Energy Sales | 121,805 |  |  | 109,198 |
Transmission Services for Others | 62,460 |  |  | 60,261 |
Other Sources | 16,308 |  |  | 25,527 |
Total Operating Revenues | $ | 3,471,209 |  |  | $ | 3,691,247 |

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