SENG

1923

In Renče on the Vipava River a Francis turbine power plant started operating. Six years later the brothers Štibelj from Renče bought it. In the year 1933 it terminated its operation, when it was taken over by the Italians.

1927

This year the Plužna power plant (on the Gljun stream in the vicinity of the town Bovec) and the Log power plant (on the Mangart stream) were built in order to supply the construction site of the railway track planned along the Soča Valley up to Tarvisio/Trbiž. When the plan for the construction of this railway line was dropped these two power plants were used for the electrification of the Upper Soča River Valley. The power plant in Log Pelton turbines and in Plužna Francis turbines are built in.

1929

The Italian Luigi Corvi started to build the Podmelec power plant on the Bača stream, which supplies the places of Avče, Kanal and in part also the Brda region with electrical energy.

1931

On the swift mountain stream Hubelj the Italians built a hydro power plant with the same name. At that time it was the most powerful power plant in the Primorska region which supplied the textile factory in Ajdovščina, and later on also the towns of Idrija, Postojna and Ilirska Bistrica with electrical energy.

1932

In the place of Spodnja Idrija for the Marof power plant started operating the necessities of the mercury mine in Idrija. The Austro-Hungarian Monarchy started the construction of the power plant already prior to World War II. It was, however, finished by the Italians after the war. The company Soške elektrarne refurbished the Marof hydro power plant between the years 1983 and 1985. It is in operation still today.

1937

The construction of the 40-meter high Podselo dam for the hydro power plant Doblar started which created a 80-hectare big accumulation lake.

1939

The Doblar hydro power plant started operating. In the power house three aggregates with a Francis turbine and three synchronous 3-phase generators were built in.

1940

The Plave hydro power plant started operating. Plave have at Ajba a concrete dam which je creates a 30-hectare big accumulation lake. Due to the small fall of the Soča River the power plant was built with a low installed discharge. The hydro power plants Doblar and Plave then were the biggest and technologically the most up-to-date hydro power plants in Slovenia.