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Other financial liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of financial liabilities [abstract]

Schedule of other financial liabilities

Other financial liabilities comprise the following at December 31:


		2018						2017
		Non-						Non-
		Current		Current		Total		Current		Current		Total
		US$'000		US$'000		US$'000		US$'000		US$'000		US$'000
Financial loans from government agencies		9,325		52,524		61,849		10,971		88,420		99,391
Derivative financial instruments		23,463		—		23,463		38,040		—		38,040
Total		32,788		52,524		85,312		49,011		88,420		137,431

Schedule of Derivative financial instruments


		2018		2017
		US$'000		US$'000
Derivatives designated as hedging instruments
Cross currency swap		15,883		26,219

Derivatives not designated as hedging instruments
Cross currency swap		4,501		7,429
Interest rate swaps		3,079		4,392
		23,463		38,040

Schedule of interest rate swaps

The following interest rate swaps were outstanding at December 31:


		2018
		Nominal				Fixed		Reference		Fair
		Amount				Interest		Floating		Value
		US$'000		Maturity		Rate		Interest Rate		US$'000
Lease of hydroelectrical installations		137,400		2022		2.05		6-month Euribor		(3,079)
Total										(3,079)


		2017
		Nominal				Fixed		Reference		Fair
		Amount				Interest		Floating		Value
		US$'000		Maturity		Rate		Interest Rate		US$'000
Lease of hydroelectrical installations		143,916		2022		2.05		6-month Euribor		(4,392)
Total										(4,392)