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Prepaid expenses (Tables)

12 Months Ended

Dec. 31, 2021

Dec. 31, 2020

Prepaid expenses

Schedule of prepaid expenses

(a)This caption is made up as follows:

​

​	​	​	​	​
​		2021		2020
​	​	US$(000)	​	US$(000)
​	​	​	​	​
Prepaid energy services (b)		24,806		25,692
Prepaid insurance		15,588		15,794
Deferred costs of works for taxes		2,934		4,855
Other prepaid expenses		986		4,174
​	​	​	​	​
​		44,314		50,515
​	​	​	​	​
Classification by maturity:
Current portion		20,394		25,709
Non-current portion		23,920		24,806
​	​	​	​	​
​		44,314		50,515

​

(b) Corresponds mainly to payments made in advance to EDEGEL for an original amount of US$31,007,190 corresponding to the right to use the capacity of the hydraulic system of EDEGEL by the subsidiary Empresa de Generación Huanza S.A. This prepayment is being charged to results during the life of the underlying assets (35 years) since January 2015.

9.   Prepaid expenses

(a)This caption is made up as follows:

​

​	​	​	​	​
​		2021		2020
​	​	US$(000)	​	US$(000)
​	​	​	​	​
Prepaid energy services (b)		24,806		25,692
Prepaid insurance		15,588		15,794
Deferred costs of works for taxes		2,934		4,855
Other prepaid expenses		986		4,174
​	​	​	​	​
​		44,314		50,515
​	​	​	​	​
Classification by maturity:
Current portion		20,394		25,709
Non-current portion		23,920		24,806
​	​	​	​	​
​		44,314		50,515

​

(b) Corresponds mainly to payments made in advance to EDEGEL for an original amount of US$31,007,190 corresponding to the right to use the capacity of the hydraulic system of EDEGEL by the subsidiary Empresa de Generación Huanza S.A. This prepayment is being charged to results during the life of the underlying assets (35 years) since January 2015.

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The disclosure of detailed information about prepaid expense.

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