v3.19.3.a.u2

Revenue from contracts (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from contracts

Schedule of disaggregation of revenue

		Year Ended December 31, 2019
														Consolidated
		Solid Fuel			Natural Gas			Hydroelectric			Corporate			Total
Project revenue:
Energy sales		$	41.1		$	31.0		$	65.9	$		—		$	138.0
Energy capacity revenue			38.7			86.7			—			—			125.4
Steam energy and capacity revenue			—			11.7			—			—			11.7
Waste heat revenue			0.2			—			—			—			0.2
Ancillary and transmission services			—			4.7			2.9			—			7.6
Asset management and operation			—			—			—			1.0			1.0
Miscellaneous revenue			—			(2.3)			—			—			(2.3)
			80.0			131.8			68.8			1.0			281.6

		Year Ended December 31, 2018
															Consolidated
			Solid Fuel			Natural Gas			Hydroelectric			Corporate			Total
Project revenue:
Energy sales		$	37.4		$	38.3		$	55.2		$	—		$	130.9
Energy capacity revenue			41.6			56.3			—			—			97.9
Steam energy and capacity revenue			0.1			15.6			—			—			15.7
Waste heat revenue			0.2			—			—			—			0.2
Enhanced dispatch contracts			—			23.9			—			—			23.9
Ancillary and transmission services			4.5			5.4			3.1			—			13.0
Asset management and operation			—			—			—			1.0			1.0
Miscellaneous revenue			—			(0.3)			—			—			(0.3)
			83.8			139.2			58.3			1.0			282.3

Schedule of receivables, contract assets and contract liabilities from contracts

		December 31,			December 31,
		2019			2018
Accounts receivables		$	30.4		$	35.7
Contract liabilities			0.3			0.1

X

- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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- References

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