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Table 7 Electrical infrastructures required for the PV-Wind-PHES energy system, together with the cost estimation

From: A case study of a procedure to optimize the renewable energy coverage in isolated systems: an astronomical center in the North of Chile

Total

 

3,460,000 e

Transf. 24 MVA 20–66 kV

PV

800,000 e

Transf. 18 MVA 6–66 kV

PHES

600,000 e

Transf. 10 MVA 66–23 kV

Paranal

300,000 e

10-km cable line

PV-Paranal

800,000 e

12-km cable line

PHES-Paranal

960,000 e