Contracted concessional assets (Tables)

12 Months Ended

Dec. 31, 2017

Contracted concessional assets [Abstract]

Movements of contracted concessional assets

a) The following table shows the movements of contracted concessional assets included in the heading “Contracted Concessional assets” for 2017:

Cost
Total as of January 1, 2017	10,067,596
Additions	15,426
Subtractions	(42,500	)
Translation differences	593,247
Total as of December 31, 2017	10,633,769

Accumulated amortization
Total as of January 1, 2017	(1,143,324	)
Additions	(309,846	)
Translation differences	(96,329	)
Total accum. amort. as of December 31, 2017	(1,549,499	)
Net balance at December 31, 2017	9,084,270

b) The following table shows the movements of contracted concessional assets included in the heading “Contracted Concessional assets” for 2016:

Cost
Total as of January 1, 2016	10,126,023
Additions	6,346
Translation differences	(68,199	)
Change in the scope of the consolidated financial statements	5,876
Reclassification and other movements	(2,450	)
Total as of December 31, 2016	10,067,596

Accumulated amortization
Total as of January 1, 2016	(825,126	)
Additions	(332,925	)
Change in the scope of the consolidated financial statements	(2,381	)
Translation differences	17,108
Total accum. amort. as of December 31, 2016	(1,143,324	)
Net balance at December 31, 2016	8,924,272