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Intangible assets and goodwill (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets consist of the following:

2019	Cost				Accumulated amortization				Net book value
Power sales contracts	$	56,206			$	38,931			$	17,275
Customer relationships	26,797				10,104				16,693
Interconnection agreements	14,827				1,179				13,648
	$	97,830			$	50,214			$	47,616

6. Intangible assets and goodwill (continued)

2018	Cost					Accumulated amortization				Net book value
Power sales contracts	$	60,775				$	36,063			$	24,712
Customer relationships	26,795					9,476				17,319
Interconnection agreements	13,847			—		884				12,963
	$	101,417				$	46,423			$	54,994

Goodwill

Regulated Services Group.

Balance, December 31, 2018 and 2017		$	954,282
Business acquisitions (note 3(a))		76,313
Foreign exchange		1,101
Balance, December 31, 2019		$	1,031,696

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- References

No definition available.

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267

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