v3.22.0.1

Financial information by segment, Revenues and Adjusted EBITDA (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) Customer	Dec. 31, 2020 USD ($) Customer	Dec. 31, 2019 USD ($)
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer		4
Revenue	$ 1,211,749	$ 1,013,260	$ 1,011,452
Adjusted EBITDA	$ 824,388	$ 796,123	821,555
Renewable Energy [Member]
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer	1	3
Revenue	$ 928,525	$ 753,089	761,090
Adjusted EBITDA	602,583	$ 576,285	604,080
Efficient Natural Gas & Heat [Member]
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer		1
Revenue	123,692	$ 111,030	122,281
Adjusted EBITDA	99,935	101,006	109,200
Transmission Lines [Member]
Financial information by segment [Abstract]
Revenue	105,680	106,042	103,453
Adjusted EBITDA	83,635	87,272	85,657
Water [Member]
Financial information by segment [Abstract]
Revenue	53,852	43,099	24,629
Adjusted EBITDA	38,235	31,560	22,618
North America [Member]
Financial information by segment [Abstract]
Revenue	395,775	330,921	332,965
Adjusted EBITDA	311,803	279,365	307,242
South America [Member]
Financial information by segment [Abstract]
Revenue	154,985	151,460	142,207
Adjusted EBITDA	119,547	120,023	115,346
EMEA [Member]
Financial information by segment [Abstract]
Revenue	660,989	530,879	536,280
Adjusted EBITDA	$ 393,038	$ 396,735	$ 398,967

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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