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Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Capitalization of Interest

Interest and AFUDC capitalized to the cost of the assets in 2019 and 2018 are as follows:

		2019				2018
Interest capitalized on non-regulated property		$	4,538			$	2,268
AFUDC capitalized on regulated property:
Allowance for borrowed funds		2,745				1,684
Allowance for equity funds		4,896				2,728
Total		$	12,179			$	6,680

Property, Plant and Equipment

Property, plant and equipment consist of the following: 

2019
	Cost				Accumulated depreciation				Net book value
Generation	$	2,816,611			$	540,118			$	2,276,493
Distribution and transmission	4,988,297				598,449				4,389,848
Land	74,517				—				74,517
Equipment and other	94,583				47,541				47,042
Construction in progress
Generation	140,235				—				140,235
Distribution and transmission	303,529				—				303,529
	$	8,417,772			$	1,186,108			$	7,231,664

5. Property, plant and equipment (continued)

2018
	Cost				Accumulated depreciation				Net book value
Generation	$	2,470,279			$	450,230			$	2,020,049
Distribution and transmission	4,455,935				521,236				3,934,699
Land	73,773				—				73,773
Equipment and other	88,757				41,295				47,462
Construction in progress
Generation	104,996				—				104,996
Distribution and transmission	212,579				—				212,579
	$	7,406,319			$	1,012,761			$	6,393,558

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

Tabular disclosure of the capitalization of the entity comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (a)(5)
-URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699

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