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Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Detailed below are estimates of future commitments under these arrangements:


	Year 1		Year 2		Year 3		Year 4		Year 5		Thereafter		Total
Power purchase (i)	$	45,083	$	27,310	$	26,178	$	26,236	$	26,472	$	167,380	$	318,659
Gas supply and service agreements (ii)	89,034		62,781		48,427		42,174		37,699		144,885		425,000
Service agreements	56,828		46,817		50,223		48,671		45,766		248,540		496,845
Capital projects	654,399		—		—		—		—		—		654,399
Land easements	6,747		6,783		6,874		6,958		7,036		194,995		229,393
Total	$	852,091	$	143,691	$	131,702	$	124,039	$	116,973	$	755,800	$	2,124,296

(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 of December 31, 2020. 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.