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v3.20.2

Non-cash operating items | 6 Months Ended
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Jun. 30, 2020
Disclosure Changes In Non Cash Operating Items [Abstract] |
Non-cash operating items | Non-cash operating items The changes in non-cash operating items consist of the following:
| Three months ended June 30 |  | Six months ended June 30
| 2020 |  | 2019 |  | 2020 |  | 2019
Accounts receivable | $ | 50,264 |  |  | $ | 40,396 |  |  | $ | 56,946 |  |  | $ | 11,721 |
Fuel and natural gas in storage | (7,951 | ) |  | (9,420 | ) |  | 3,059 |  |  | 10,061 |
Supplies and consumables inventory | (13,164 | ) |  | (2,944 | ) |  | (20,958 | ) |  | (4,921 | )
Income taxes recoverable | (1,270 | ) |  | 7,623 |  |  | (1,889 | ) |  | 6,801 |
Prepaid expenses | 3,104 |  |  | 1,138 |  |  | (7,344 | ) |  | (5,468 | )
Accounts payable | 7,833 |  |  | 18,429 |  |  | (63,337 | ) |  | (10,108 | )
Accrued liabilities | (4,472 | ) |  | (44,475 | ) |  | (40,039 | ) |  | (54,969 | )
Current income tax liability | (2,379 | ) |  | (5,657 | ) |  | 1,716 |  |  | 694 |
Asset retirements and environmental obligations | (127 | ) |  | (322 | ) |  | (699 | ) |  | (1,422 | )
Net regulatory assets and liabilities | 20,731 |  |  | 2,007 |  |  | 15,916 |  |  | 8,124 |
| $ | 52,569 |  |  | $ | 6,775 |  |  | $ | (56,629 | ) |  | $ | (39,487 | )

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- Definition Disclosure - Changes in Non-Cash Operating Items [Abstract] + References No definition available. + Details
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- Definition Disclosure of Other Significant Noncash Transactions. + References No definition available. + Details
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