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A superconducting cable line was tested in Russia

A superconducting cable line was tested in Russia

Author: and


Date : Jan 30, 2018 02:47 PM

High-temperature superconductors are the main material

Federal Grid Company has completed testing of the largest high-temperature superconducting cable line (HTSC CL). It is the first line in Russia and the largest in the world.

The use of high-temperature superconductors is a global trend within the number of industries, including energy industry. The implementation of HTSC cable lines in the network complex will enable transmission of higher power under low voltage, minimize losses and reduce the costs for line construction down to 20%. This technology is effective for construction of loop schemes and power bridges, and the power generation at stations, including nuclear power plants.

Moreover, the project results may be implemented in all energy-intensive industries, transport enterprises with a large share of energy consumption, in the petrochemical and mining sectors.

The pilot sample of the cable line with the length of 2.5 km will be put into operation in 2020 within Saint-Petersburg electric power system.


Federal Grid Company is the operator and manager of Russia’s unified electricity transmission grid system, including high voltage transmission lines.

In today’s world there are several dozens of experimental cable lines built up to explore the opportunity of power transmission on the basis superconductivity effect with the maximum length of 1 km. HTSC cable lines with the length of several kilometers are being developed in Russia, Japan, South Korea, EU and USA.

A significant reduction in the cost of high-temperature superconductors is expected by 2025. Then, according to experts, the cost of HTSC will decrease to a level comparable to the cost of copper in traditional power cables.

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