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Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2020

26. Asset Retirement Obligations

Change in ARO

The change in ARO for the years ended December 31 is as follows:
millions of Canadian dollars	2020		2019
Balance, January 1	$	185	$	205
Additions		10		-
Liabilities settled (1)		(25)		(25)
Accretion included in depreciation expense		9		7
Accretion deferred to regulatory asset (included in property, plant and equipment)		(3)		-
Other		1		3
Change in foreign exchange rate		1		(5)
Balance, December 31	$	178	$	185
(1) Tampa Electric produces ash and other by-products, collectively known as CCR's, at its Big Bend and Polk power stations. The decreases in ARO in 2020 and 2019 are due to the closure of CCR management facilities.

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- References

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- Definition

Tabular disclosure of the carrying amount of a liability for asset retirement obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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