Capital disclosures (Tables)

12 Months Ended

Dec. 31, 2022

Liquidity And Capitalization [Abstract]

Schedule of liquidity and capitalization

As at	Dec 31 2022		Dec 31 2021
Liquidity:
Cash and cash equivalents	$	857,747	$	932,069
Undrawn credit facility	300,000		300,000
Undrawn G3 construction facility	300,000		600,000
Total liquidity	$	1,457,747	$	1,832,069
Capitalization:
Unsecured notes, including current portion	1,983,374		1,981,199
Other limited recourse debt facilities, including current portion	168,139		176,993
Total debt	2,151,513		2,158,192
Non-controlling interests	317,444		271,155
Shareholders’ equity	2,112,013		1,683,576
Total capitalization	$	4,580,970	$	4,112,923
Total debt to capitalization 1	47%		52%
Net debt to capitalization 2	35%		39%

1     Total debt (including Other limited recourse debt facilities) divided by total capitalization.

2     Total debt (including Other limited recourse debt facilities) less cash and cash equivalents divided by total capitalization less cash and cash equivalents.