
Water tunnels construction

Derivation channel construction 1924–1926

Water tunnels of the HPP under construction

Installation of reinforcement under the base of the unit 1926

The construction of the first stage of the Kondopozhskaya HPP was completed in 1929

Rotor of the Kondopozhskaya HPP under construction

Generators of the first HPP stage

The first HPP stage. View from the lower pool, 1930

The first HPP stage – view from the higher pool, 1931