Powerline Ekibastuz-Kokshetau
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The Powerline Ekibastuz-Kokshetau is the powerline designed for the highest transmission voltage (1150 kV) in the world. It was constructed and entered service in the Soviet time (1988) [1]. This powerline, carrying the number 1101, runs 268 miles (432 km) from Ekibastusz to Kokshetau in Kazakhstan. It is mounted on electrical pylons with an average height of 60 metres. The weight of the conductors is approximately 50 tons.