
Francis Water turbine manufactured in the year 1891, kept in the museum Mestni muzej Idrija
| 
The town of Idrija and the Kogovšek power station in the early 20th century
| 
The power house building of the Pečnik power plant in the town Spodnja Idrija before the year 1926
|

The interior of the Idrija power plant – the town after the year 1915
| 
The HPP "Pri treh mlinih" powerhouse around the year 1911 in Idrija
| 
The HPP Renče powerhouse around the year 1927
|

Powerhouse building of the HPP Log
| 
Powerhouse building of the HPP Podmelec
| 
The HPP Hubelj powerhouse around the year 1931
|

Powerhouse building of the HPP Hubelj
| 
The HPP Marof powerhouse around the year 1932 in Idrija
| 
The construction of the Podselo dam in the year 1937
|

The power station hamlet in Doblar around the year 1940
| 
Ajba dam
| 
110 kV overhead line Doblar - Kleče
|

The construction of the transformer station Cerkno in the year 1972
| 
Gorica transformer station repair in the 70ies
| 
Management center around the year 1980
|

Foundation of the Basic organizations of associated labour (TOZD) in the year 1974
| 
Koper transformer distribution station around the year 1976
| 
The erection of the 400 kV network transmission pole around the year 1977
|

Opening ceremony of the power plants HPP Doblar 2 and HPP Plave 2 in the year 2003, Official speech by the then Prime Minister
| 
The laying of the foundation stone for the Avče Pumping-Storage HPP
| 
Kanomeljske klavže
|

The logo SENG + HSE
| 
Entrance into the penstock of the HPP Plave 2; construction of the penstock
| 
Lado Kerševan
|

Podselo dam
| 
HPP Solkan
| 
The construction of the HPP Solkan
|

HPP Knežke Ravne 1
| 
HPP Trebuša
| 
HPP Jelenk
|

HPP Knežke Ravne 2
| 
Advertisement published in 1906 in the newspaper Soča for the sale of the water power of the Hubelj River
| 
Photo mosaic of the power plants
|

Ajba dam in the year 1975
| 
110 kV distribution station in the 70ies
| 
HPP Cerkno
|

Vladimir Gabrijelčič
| 
Signature of the Collaboration contract with the Nova Gorica branch office of the company HSE Invest in the year 2004
| 
Management center
|

The HPP Hubelj powerhouse around the year 1931
| 
The construction of the HPP Hubelj
| 
Powerhouse building of the HPP Hubelj
|

Basin of the HPP Hubelj
| 
Basin of the HPP Hubelj
| 
The construction of the HPP Solkan
|

The construction of the HPP Solkan
| 
The construction of the HPP Solkan
| 
The construction of the HPP Solkan
|

The construction of the HPP Solkan
| 
The construction of the HPP Solkan
| 
The construction of the HPP Solkan
|

The HPP Solkan site prior to the construction work
| 
History
|