Ekibastuz–Kokshetau high-voltage line
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The Ekibastuz–Kokshetau high-voltage line is an alternating current electrical power transmission line in Kazakhstan from Ekibastuz to Kokshetau. It was the first commercially used power line in the world which operated at 1,150 kV, the highest... Wikipedia
AC voltage: 1,150 kV (original); 500 kV (current)
Construction started: 1980
Coordinates: 51°52′51″N 75°12′59″E / 51.88083°N 75.21639°E; 53°19′4″N 68°55′02″E / 53.31778°N 68.91722°E
Operator: KEGOC
Power rating: 5,500 MW (original)
Total length: 432 km (268 mi)