v3.19.3.a.u2

PPAs and other definite-lived intangible assets and liabilities (Tables)

12 Months Ended

Dec. 31, 2019

PPAs and other definite-lived intangible assets and liabilities

Schedule of components of intangible assets subject to amortization

Assets

		Other Intangible Assets, Net
		Power Purchase
		Agreements			Total
Gross balances, December 31, 2019		$	365.6		$	365.6
Less: accumulated amortization			(221.3)			(221.3)
Net carrying amounts, December 31, 2019		$	144.3		$	144.3

		Other Intangible Assets, Net
		Power Purchase
		Agreements			Total
Gross balances, December 31, 2018		$	362.7		$	362.7
Less: accumulated amortization			(192.6)			(192.6)
Net carrying amounts, December 31, 2018		$	170.1		$	170.1

Liabilities

		Power Purchase and Fuel Supply Agreement Liabilities, Net
		Power Purchase			Fuel Supply
		Agreements			Agreements			Total
Gross balances, December 31, 2019		$	(28.1)			(12.6)		$	(40.7)
Less: accumulated amortization			14.4			6.5			20.9
Net carrying amounts, December 31, 2019		$	(13.7)		$	(6.1)		$	(19.8)

		Power Purchase and Fuel Supply Agreement Liabilities, Net
		Power Purchase			Fuel Supply
		Agreements			Agreements			Total
Gross balances, December 31, 2018		$	(28.7)			(12.6)		$	(41.3)
Less: accumulated amortization			14.0			6.1			20.1
Net carrying amounts, December 31, 2018		$	(14.7)		$	(6.5)		$	(21.2)

Schedule of amortization expense of intangible assets

		2019			2018			2017
PPAs		$	26.4		$	43.4		$	36.5
Fuel supply agreements			(0.4)			(0.4)			(0.4)
Total amortization		$	26.0		$	43.0		$	36.1

Schedule of estimated future amortization expense for the next five years

Year Ended December 31,
2020		$	22.1
2021			20.2
2022			15.9
2023			12.6
2024			12.6

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

+ References

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