v3.10.0.1

Financial information by segment, Revenues and Further Adjusted EBITDA (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($) Customer	Sep. 30, 2017 USD ($) Customer
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer	4	4
Revenue	$ 836,925	$ 775,179
Further Adjusted EBITDA	$ 708,361	$ 623,927
Renewable Energy [Member]
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer	3	3
Revenue	$ 652,135	$ 594,476
Further Adjusted EBITDA	$ 565,915	$ 462,607
Efficient Natural Gas [Member]
Financial information by segment [Abstract]
Number of customers representing more than 10% of total revenues | Customer	1	1
Revenue	$ 95,355	$ 89,653
Further Adjusted EBITDA	71,724	79,969
Electric Transmission Lines [Member]
Financial information by segment [Abstract]
Revenue	71,920	71,064
Further Adjusted EBITDA	60,447	68,649
Water [Member]
Financial information by segment [Abstract]
Revenue	17,515	19,986
Further Adjusted EBITDA	10,275	12,702
North America [Member]
Financial information by segment [Abstract]
Revenue	294,625	270,037
Further Adjusted EBITDA	272,157	243,289
South America [Member]
Financial information by segment [Abstract]
Revenue	91,807	90,005
Further Adjusted EBITDA	76,234	84,174
EMEA [Member]
Financial information by segment [Abstract]
Revenue	450,493	415,137
Further Adjusted EBITDA	$ 359,970	$ 296,464

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- Definition

Further 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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