v3.19.3.a.u2

Basic and diluted (loss) earnings per share (Tables)

12 Months Ended

Dec. 31, 2019

Basic and diluted (loss) earnings per share

Schedule of diluted net income and potentially dilutive shares utilized in the per share calculation

Basic		2019			2018			2017
Numerator:
(Loss) income attributable to Atlantic Power Corporation		$	(42.6)		$	36.8		$	(98.6)
Denominator:
Weighted average basic shares outstanding			109.3			112.0			115.1
Basic (loss) earnings per share attributable to Atlantic Power Corporation		$	(0.39)		$	0.33		$	(0.86)
Diluted
Numerator:
Net (loss) income attributable to Atlantic Power Corporation			(42.6)			36.8			(98.6)
Add: convertible debenture interest expense			—			4.7			—
			(42.6)			41.5			(98.6)
Denominator:
Weighted average basic shares outstanding			109.3			112.0			115.1
Convertible debentures			—			27.8			—
Share-based compensation			—			2.0			—
			109.3			141.8			115.1
Diluted (loss) earnings per share attributable to Atlantic Power Corporation			(0.39)			0.29			(0.86)

Schedule of computation of our diluted earnings (loss) per share

		2019			2018			2017
Share-based compensation			1.5			—			1.6
Convertible debentures			27.8			—			8.1
Total			29.3			—			9.7

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

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-Name Accounting Standards Codification
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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
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