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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2022
Revenue from Contract with Customer [Abstract] |
Schedule of Utilities Operating Revenue Expense Taxes | Utility-related taxes that were included in revenue from contracts with customers were as follows for the three and six months ended June 30 (dollars in thousands):
| Three months ended June 30, |  |  | Six months ended June 30, |
| 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Utility-related taxes | $ | 14,908 |  |  | $ | 13,459 |  |  | $ | 37,042 |  |  | $ | 33,155 |
Disaggregation of Revenue | Disaggregation of Total Operating Revenue The following table disaggregates total operating revenue by segment and source for the three and six months ended June 30 (dollars in thousands):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Avista Utilities |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  | $ | 287,922 |  |  | $ | 260,676 |  |  | $ | 693,259 |  |  | $ | 619,289 |
Derivative revenues |  |  | 84,403 |  |  |  | 28,083 |  |  |  | 141,776 |  |  |  | 63,064 |
Alternative revenue programs |  |  | (5,793 | ) |  |  | (3,069 | ) |  |  | (22,570 | ) |  |  | (2,570 | )
Deferrals and amortizations for rate refunds to customers |  |  | (500 | ) |  |  | (369 | ) |  |  | (131 | ) |  |  | 2,820 |
Other utility revenues |  |  | 2,483 |  |  |  | 2,239 |  |  |  | 5,053 |  |  |  | 4,817 |
Total Avista Utilities |  |  | 368,515 |  |  |  | 287,560 |  |  |  | 817,387 |  |  |  | 687,420 |
AEL&P |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  | 10,266 |  |  |  | 10,487 |  |  |  | 23,221 |  |  |  | 23,266 |
Deferrals and amortizations for rate refunds to customers |  |  | (517 | ) |  |  | (48 | ) |  |  | (565 | ) |  |  | (95 | )
Other utility revenues |  |  | 157 |  |  |  | 108 |  |  |  | 304 |  |  |  | 197 |
Total AEL&P |  |  | 9,906 |  |  |  | 10,547 |  |  |  | 22,960 |  |  |  | 23,368 |
Other non-utility revenues |  |  | 145 |  |  |  | 148 |  |  |  | 265 |  |  |  | 337 |
Total operating revenues |  | $ | 378,566 |  |  | $ | 298,255 |  |  | $ | 840,612 |  |  | $ | 711,125 |
Utility Revenue from Contracts with Customers by Type and Service The following table disaggregates revenue from contracts with customers associated with the Company's electric operations for the three and six months ended June 30 (dollars in thousands):
|  | 2022 |  |  | 2021 |
|  | Avista Utilities |  |  | AEL&P |  |  | Total Utility |  |  | Avista Utilities |  |  | AEL&P |  |  | Total Utility |
Three months ended June 30: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ELECTRIC OPERATIONS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 84,108 |  |  | $ | 4,156 |  |  | $ | 88,264 |  |  | $ | 84,688 |  |  | $ | 4,251 |  |  | $ | 88,939 |
Commercial |  |  | 80,713 |  |  |  | 6,051 |  |  |  | 86,764 |  |  |  | 80,858 |  |  |  | 6,177 |  |  |  | 87,035 |
Industrial |  |  | 27,253 |  |  |  | — |  |  |  | 27,253 |  |  |  | 27,429 |  |  |  | — |  |  |  | 27,429 |
Public street and highway lighting |  |  | 1,912 |  |  |  | 59 |  |  |  | 1,971 |  |  |  | 1,869 |  |  |  | 59 |  |  |  | 1,928 |
Total retail revenue |  |  | 193,986 |  |  |  | 10,266 |  |  |  | 204,252 |  |  |  | 194,844 |  |  |  | 10,487 |  |  |  | 205,331 |
Transmission |  |  | 8,417 |  |  |  | — |  |  |  | 8,417 |  |  |  | 4,801 |  |  |  | — |  |  |  | 4,801 |
Other revenue from contracts with customers |  |  | 7,409 |  |  |  | — |  |  |  | 7,409 |  |  |  | 6,532 |  |  |  | — |  |  |  | 6,532 |
Total electric revenue from contracts with customers |  | $ | 209,812 |  |  | $ | 10,266 |  |  | $ | 220,078 |  |  | $ | 206,177 |  |  | $ | 10,487 |  |  | $ | 216,664 |
Six months ended June 30: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ELECTRIC OPERATIONS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 205,111 |  |  | $ | 10,617 |  |  | $ | 215,728 |  |  | $ | 197,911 |  |  | $ | 10,299 |  |  | $ | 208,210 |
Commercial |  |  | 164,283 |  |  |  | 12,485 |  |  |  | 176,768 |  |  |  | 157,142 |  |  |  | 12,848 |  |  |  | 169,990 |
Industrial |  |  | 52,145 |  |  |  | — |  |  |  | 52,145 |  |  |  | 52,140 |  |  |  | — |  |  |  | 52,140 |
Public street and highway lighting |  |  | 3,776 |  |  |  | 119 |  |  |  | 3,895 |  |  |  | 3,721 |  |  |  | 119 |  |  |  | 3,840 |
Total retail revenue |  |  | 425,315 |  |  |  | 23,221 |  |  |  | 448,536 |  |  |  | 410,914 |  |  |  | 23,266 |  |  |  | 434,180 |
Transmission |  |  | 13,102 |  |  |  | — |  |  |  | 13,102 |  |  |  | 8,296 |  |  |  | — |  |  |  | 8,296 |
Other revenue from contracts with customers |  |  | 16,171 |  |  |  | — |  |  |  | 16,171 |  |  |  | 12,672 |  |  |  | — |  |  |  | 12,672 |
Total electric revenue from contracts with customers |  | $ | 454,588 |  |  | $ | 23,221 |  |  | $ | 477,809 |  |  | $ | 431,882 |  |  | $ | 23,266 |  |  | $ | 455,148 |
The following table disaggregates revenue from contracts with customers associated with the Company's natural gas operations for the three and six months ended June 30 (dollars in thousands):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
|  | Avista Utilities |  |  | Avista Utilities |  |  | Avista Utilities |  |  | Avista Utilities |
NATURAL GAS OPERATIONS |  |  |  |  |  |  |  |  |  |  |  |
Revenue from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 48,480 |  |  | $ | 33,703 |  |  | $ | 151,695 |  |  | $ | 121,204 |
Commercial |  |  | 23,736 |  |  |  | 15,598 |  |  |  | 74,357 |  |  |  | 55,373 |
Industrial and interruptible |  |  | 2,346 |  |  |  | 1,819 |  |  |  | 5,308 |  |  |  | 4,043 |
Total retail revenue |  |  | 74,562 |  |  |  | 51,120 |  |  |  | 231,360 |  |  |  | 180,620 |
Transportation |  |  | 2,142 |  |  |  | 1,973 |  |  |  | 4,499 |  |  |  | 4,256 |
Other revenue from contracts with customers |  |  | 1,406 |  |  |  | 1,406 |  |  |  | 2,812 |  |  |  | 2,531 |
Total natural gas revenue from contracts with customers |  | $ | 78,110 |  |  | $ | 54,499 |  |  | $ | 238,671 |  |  | $ | 187,407 |

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