v3.21.2

Financial information by segment, Revenues and Adjusted EBITDA (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($) Customer	Sep. 30, 2020 USD ($) Customer
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer	2	4
Revenue	$ 940,418	$ 768,734
Adjusted EBITDA	618,037	$ 609,572
Renewable Energy [Member]
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer		3
Revenue	725,756	$ 579,230
Adjusted EBITDA	458,170	$ 456,420
Efficient Natural Gas & Heat [Member]
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer		1
Revenue	93,524	$ 80,118
Adjusted EBITDA	73,527	72,412
Transmission Lines [Member]
Financial information by segment [Abstract]
Revenue	80,428	79,229
Adjusted EBITDA	64,243	64,039
Water [Member]
Financial information by segment [Abstract]
Revenue	40,710	30,157
Adjusted EBITDA	22,097	16,701
North America [Member]
Financial information by segment [Abstract]
Revenue	308,661	267,688
Adjusted EBITDA	233,810	233,201
South America [Member]
Financial information by segment [Abstract]
Revenue	117,129	112,019
Adjusted EBITDA	90,626	89,749
EMEA [Member]
Financial information by segment [Abstract]
Revenue	514,628	389,027
Adjusted EBITDA	$ 293,601	$ 286,622

X

- Definition

Adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) is calculated as profit/(loss) for the period attributable to the parent company, after adding back loss/(profit) attributable to non-controlling interests from continued operations, income tax, share of profit/(loss) of associates carried under the equity method, finance expense net, depreciation, amortization and impairment charges of entities included in the consolidated financial statements, and dividends received from the preferred equity investment in Abengoa Concessoes Brasil Holding S.A (ACBH).

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