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v3.23.2

Other long-term liabilities | 6 Months Ended
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Jun. 30, 2023
Other Liabilities Disclosure [Abstract] |
Other long-term liabilities | Other long-term liabilities Other long-term liabilities consist of the following:
| June 30, |  | December 31,
| 2023 |  | 2022
Contract adjustment payments | $ | 78,056 |  |  | $ | 113,876 |
Asset retirement obligations | 113,678 |  |  | 116,584 |
Advances in aid of construction | 90,096 |  |  | 88,546 |
Environmental remediation obligation | 41,092 |  |  | 42,457 |
Customer deposits | 35,360 |  |  | 34,675 |
Unamortized investment tax credits | 17,419 |  |  | 17,649 |
Deferred credits and contingent consideration | 45,937 |  |  | 39,498 |
Preferred shares, Series C (a) | 12,067 |  |  | 12,072 |
Hook-up fees | 25,813 |  |  | 32,463 |
Lease liabilities | 21,415 |  |  | 21,834 |
Contingent development support obligations | 9,129 |  |  | 8,824 |
Note payable to related party | 25,808 |  |  | 25,808 |
Other | 34,004 |  |  | 41,156 |
| $ | 549,874 |  |  | $ | 595,442 |
Less: current portion | (119,495) |  |  | (134,212) |
| $ | 430,379 |  |  | $ | 461,230 |
(a) Subsequent to quarter-end, on August 9, 2023, 36 Series C preferred shares were redeemed for C$6,906.

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