XML 64 R45.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments and contingencies (Tables)
6 Months Ended
Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract]  
Estimates of Future Commitments
Detailed below are estimates of future commitments under these arrangements: 
Year 1Year 2Year 3Year 4Year 5ThereafterTotal
Power purchase (i)$48,177 $27,767 $27,101 $27,334 $19,631 $161,284 $311,294 
Gas supply and service agreements (ii)78,929 58,768 46,774 43,862 29,650 146,039 404,022 
Service agreements62,055 57,813 58,377 56,163 53,706 369,283 657,397 
Capital projects107,001 — — — — — 107,001 
Land easements and others12,947 12,997 13,171 13,343 13,517 479,555 545,530 
Total$309,109 $157,345 $145,423 $140,702 $116,504 $1,156,161 $2,025,244 
(i)    Power purchase: AQN’s electric distribution facilities have commitments to purchase physical quantities of power for load serving requirements. The commitment amounts included in the table above are based on market prices as at June 30, 2021. However, the effects of purchased power unit cost adjustments are mitigated through a purchased power rate-adjustment mechanism.
(ii)     Gas supply and service agreements: AQN’s gas distribution facilities and thermal generation facilities have commitments to purchase physical quantities of natural gas under contracts for purposes of load serving requirements and of generating power.