The technical listing, in which no money is raised, will see MRSK list 25 per cent of its stock as global depositary receipts -- the maximum allowed.
Russia owns a more than 50 per cent controlling stake in MRSK, while state-controlled Gazprom has 10 per cent.
Alexei Demidov said: “The London listing is very important for us. London is a hub which enable us to attract more investors from across the world.”
Rival state-controlled grid firm FSK completed the listing of its secondary shares in London at the end of March.
A wave of Russian companies have recently sought premium listings of their shares, with firms like Polymetal large enough to seek inclusion in the FTSE 100.