v3.20.4

Earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings per share [Abstract]
Potential issuance of shares on settlement of Green Exchangeable Notes (in shares)	3,347,305
Profit from continuing operations attributable to Atlantica	$ 11,968	$ 62,135	$ 41,596
Average number of ordinary shares outstanding - basic (in shares)	101,879,000	101,063,000	100,217,000
Average number of ordinary shares outstanding - diluted (in shares)	103,392,000	101,063,000	100,217,000
Earnings per share from continuing operations - basic and diluted (in dollars per share)	$ 0.12	$ 0.61	$ 0.42
Earnings per share from profit for the period - basic and diluted (in dollars per share)	$ 0.12	$ 0.61	$ 0.42

X

- Definition

The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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- Definition

The amount of earnings per share when the basic and diluted measurements are equal. [Refer: Basic earnings (loss) per share; Diluted earnings (loss) per share]

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Basic and diluted earnings (loss) per share from continuing operations. [Refer: Basic and diluted earnings (loss) per share]

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The number of dilutive potential ordinary shares that relate to the assumed conversion of the entity's convertible instruments.

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The profit (loss) from continuing operations attributable to ordinary equity holders of the parent entity. [Refer: Continuing operations [member]; Profit (loss) from continuing operations]

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The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

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