Norilsk-Snezhnogorsk power line became testing ground in Arctic

Norilsk-Snezhnogorsk power line became testing ground in Arctic

October 05, 2022

In November 1965, construction began on the Norilsk-Snezhnogorsk transmission line. It connected the Ust-Hantai hydroelectric power station with the Norilsk energy system.

#ARCTIC. #SIBERIA. THIS IS TAIMYR. It was a unique construction: the world’s first high-voltage transmission line, built in the conditions of the Far North, on metal poles.

The double-circuit power transmission line-220 length is 158 kilometers, of which 40 had to be pulled through forested areas. For 118 kilometers, the soil was permafrost, which means drilling wells and installing piles for supports.

On its way, the power transmission line crosses ten non-navigable and non-rafting rivers, such as Sigovaya, Fokina, Chibichete, Morongo, Yergalah.

Four years after the construction start, on December 27, 1969, the builders put into operation the first power line circuit. Though, electricity did not go from Snezhnogorsk to Norilsk, but vice versa. For almost a year, the construction of the hydroelectric power station received energy from the city; without this, the most complex construction would have suffocated. In November 1970, when the unit of the Hantai hydroelectric power station gave industrial current, electricity went in the opposite direction.

On November 10, 1972, the second power line circuit was completed. The experience of its construction became a testing ground: later, the same methodology was used to build power lines in Chukotka and Yakutia.

In the History Spot’s previous publication, we told that in 1973, the Norilsk Art Gallery appeared in our city. It will celebrate its golden jubilee next year.

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Text: Svetlana Ferapontova, Photo: Nornickel Polar Branch archive

October 05, 2022

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