R&D and model tests
Verhne-Tulomskaya HPP, Russia
Data:
Kaplan type turbine, runner diameter 4.350 m, head 58.5 m, output 76.2 MW.
Description:
Development of new runner and wicket gates, model testing and acceptance test
Completed:
June 2017
Irkutskaya HPP, Russia
Data:
Propeller type turbine (fixed blade angle), runner diameter 7.200 m, head 29 m, output 106.15 MW.
Description:
Development of new runner and wicket gates, model testing and acceptance test
Completed:
August 2018
Klammstein HPP, Austria
Data:
Francis type turbine, runner diameter 0.882 m, head 165 m, output 8 MW.
Description:
Runner and wicket gates optimization with CFD
Completed:
May 2019
Mavčiče SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.350 m, head 13.5 m, output 62 kW.
Description:
Runner, stay vanes and wicket gates optimization with CFD
Completed:
June 2019
Jumisko HPP, Finland
Data:
Francis type turbine, runner diameter 2.130 m, head 87.6 m, output 31.5 MW.
Description:
Development of new runner and wicket gates, model testing and acceptance test
Completed:
June 2020
Palamuru RR L4, India
Data:
Francis type pump, runner diameter 2.800 m, head 136 m, discharge 65.7 m3/s, input power 94.28 MW.
Description:
Development of new complete pump, model testing, mechanical design and manufacturing documentation
Completed:
January 2021
Horti LIS, India
Data:
Volute type pump, runner diameter 0.6725 m, head 206 m, discharge 2.786 m3/s, input power 6.142 MW
Description:
Development of new complete pump, model testing, mechanical design and manufacturing documentation vetting
Completed:
February 2025
Kolar Package 1, India
Data:
Volute type pump, runner diameter 1.250 m, head 172 m, discharge 9.50 m3/s, input power 17.36 MW
Description:
Development of new complete pump, model testing, mechanical design and manufacturing documentation vetting
Completed:
April 2025
Mukhtyala LIS, India
Data:
Francis type pump, runner diameter 1.055 m, head 179 m, discharge 6.69 m3/s, input power 12.75 MW
Description:
Development of new complete pump, model testing, mechanical design and manufacturing documentation vetting
Completed:
April 2025
Kottalgi LIS, India
Data:
Volute type pump, runner diameter 0.8160 m, head 243 m, discharge 4.20 m3/s, input power 11.209 MW
Description:
Development of new complete pump, model testing, mechanical design and manufacturing documentation vetting
Completed:
August 2025
Structural analysis, numerical simulation, non-stationary phenomena, concept design
Lovrenc na Pohorju SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.390 m, head 32 m, output 230 kW
Description:
Project for a building permit for the construction of a small hydroelectric power plant
Completed:
October 2018
Josipdol SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.330 m, head 44.4 m, output 160 kW
Description:
Project for a building permit for the construction of a small hydroelectric power plant
Completed:
October 2018
Hubelj SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.530 m, head 111 m, output 2100 kW
Description:
Structural analysis and transient calculation of the pressure penstock
Completed:
September 2019
Ohau A HPP, New Zealand
Data:
Francis type turbine, head 59 m, output 66 MW
Description:
Bypass valve analysis (CFD), structural analysis and refurbishment report
Completed:
July 2020
Orlovac HPP, Croatia
Data:
Francis type turbine, runner diameter 1.740 m, head 380 m, output 79 MW
Description:
Increase discharge study (CFD)
Completed:
December 2021
Doblar 2 HPP, Slovenia
Data:
Francis type turbine, runner diameter 3.8 m, head 39 m, output 38 MW
Description:
Turbine and generator overhaul
Completed:
December 2022
Dubrovnik HPP, Croatia
Data:
Francis type turbine, runner diameter 2.400 m, head 272 m, output 125 MW
Description:
Butterfly valve analysis, main inlet ball valve analysis (CFD, FEA, transient regimes)
Completed:
February 2022, November 2023
Trbovlje SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.250 m, head 19.2 m, output 8.82 kW
Description:
Small hydropower plant concept design and calculation
Completed:
June 2023
Avče RPT, Slovenia
Data:
Reversible type pump-turbine, runner diameter 1.750 m, max gross head 521 m, turbine output 185 MW, pump input 180 MW
Description:
Structural analysis (FEA) of the maintenance platform
Completed:
October 2023
Mukhtyala LIS, India
Data:
Francis type pump, runner diameter 1.055 m, head 179 m, discharge 6.69 m3/s, input power 12.75 MW
Description:
Impeller structural FEA analysis
Completed:
November 2023
Horti LIS, India
Data:
Volute type pump, runner diameter 0.6725 m, head 206 m, discharge 2.786 m3/s, input power 6.142 MW
Description:
Impeller structural FEA analysis
Completed:
April 2024
Avče RPT, Slovenia
Data:
Reversible type pump-turbine, runner diameter 1.750 m, max gross head 521 m, turbine output 185 MW, pump input 180 MW
Description:
Transient analysis of the system with installation of additional Pelton turbine
Completed:
May 2025
Avče RPT, Slovenia
Data:
Reversible type pump-turbine, runner diameter 1.750 m, max gross head 521 m, turbine output 185 MW, pump input 180 MW
Description:
Runner and turbine top cover remaining life assessment (NDT, FEA, structural, fatigue analysis), Study of the possibility of increasing efficiency by runner replacement (new shape evaluation, CFD – stationary, nonstationary analysis)
Completed:
June 2025
Low head pit turbine, Croatia
Data:
Kaplan pit propeller type, runner diameter 1.800 m, head 5 m, output 650 kW
Description:
Hydraulic design of ultra-low head pit turbine, CFD analysis, FEA structural analysis, transient calculation
Completed:
August 2025
Field tests
Majcen SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.500 m, head 43 m, output 358 kW
Description:
Measurements of turbine characteristics, analysis and suggestions for improvements
Completed:
July 2017
Mavčiče SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.350 m, head 13.5 m, output 41 kW.
Description:
Measurements of turbine characteristics, analysis and suggestions for improvements
Completed:
October 2017
Klammstein HPP, Austria
Data:
Francis type turbine, runner diameter 0.882 m, head 165 m, output 8 MW.
Description:
Measurements of turbine characteristics analysis and suggestions for improvements
Completed:
June 2018
Zvornik HPP, Serbia
Data:
Kaplan type turbine, runner diameter 4.850 m, head 23.35 m, output 31.41 MW.
Description:
Measurements of turbine characteristics using the current-meter method for discharge. Independent testing of the new turbine manufactured by Voith.
Completed:
September 2018
Djerdap 2 HPP, Serbia
Data:
Bulb type turbine, runner diameter 7.5 m, head 7.45 m, output 28 MW.
Description:
Measurements of turbine characteristics, analysis and suggestions for improvements
Completed:
September 2018
Avče RPT, Slovenia
Data:
Reversible type pump-turbine, runner diameter 1.750 m, max gross head 521 m, turbine output 185 MW, pump input 180 MW.
Description:
Commissioning testing
Completed:
April 2019
Jeleč HPP, Bosnia and Herzegovina
Data:
Pelton type turbines – two nozzles, runner diameter 850 m, head 455 m, combined turbine output 4.85 MW (2+1 turbine)
Description:
Measurements of turbine characteristics and turbine operation optimization
Completed:
June 2019
Rijeka HPP, Croatia
Data:
Francis type turbine, runner diameter 1.071 m, head 212.7 m, output 19.3 MW
Description:
Geometry control and shape recovery of the runner blades using 3D laser scanning method
Completed:
March 2024
Mavčiče HPP, Slovenia
Data:
Kaplan type turbine, runner diameter 4.250 m, head 16.9 m, output 20.8 MW
Description:
Measurements of turbine characteristics using the current-meter method for discharge. Testing of the existing turbine manufactured by Litostroj. Geometry control and shape recovery of the runner blades using 3D laser scanning method
Completed:
September 2024
Solkan HPP, Slovenia
Data:
Kaplan type turbine, runner diameter 3.000 m, head 20.55 m, output 10.8 MW
Description:
Measurements of turbine characteristics using the current-meter method for discharge. Testing of the existing turbine manufactured by Litostroj
Completed:
February 2025
Turija HPP, North Macedonia
Data:
Francis horizontal type turbine, discharge 2.5 m3/s, head 65 m, output 1 MW
Description:
Installation and calibration of the WK discharge metering system, measurements of turbine characteristics
Completed:
July 2025
Rijeka HPP, Croatia
Data:
Francis vertical type turbine, runner diameter 1.116 m, head 212.7 m, output 19.3 MW
Description:
Existing runner geometry 3D scan (three runners)
Completed:
September 2025
Manufacturing of hydro-mechanical equipment and turbine design
Vrla 1 SHPP, Serbia
Data:
Pelton type turbine – one nozzle, runner diameter 1000 mm, head 336 m, unit for own consumption
Description:
Refurbishment of hydro-mechanical equipment
Completed:
March 2019
Kihansi HPP, Tanzania
Data:
Hydraulic servomotor – fi180/fi80x148 l=2300 mm, pn=250 bar
Description:
Redesign, manufacturing and test of hydraulic servomotor for Pelton type turbine deflector
Completed:
September 2019
Majdan 1 SHPP, Bosnia and Herzegovina
Data:
Pelton type turbine – two nozzles, runner diameter 723 m, head 331 m, turbine output 2.5 MW
Description:
Redesign and manufacturing of runner, needles and nozzles
Completed:
September 2019
Jovanovići SHPP, Serbia
Data:
Francis type turbines, runner diameter 300 mm, head 67.8 m, combined turbine output 589 kW (2 turbines)
Description:
Manufacturing of hydro-mechanical equipment
Completed:
March 2020
Mavčiče SHPP, Slovenia
Data:
Francis type turbine, runner diameter 0.350 m, head 13.5 m, output 41 kW.
Description:
New runner and stay vanes design and manufacturing
Completed:
March 2020
Solkan HPP, Slovenia
Data:
Kaplan type turbines, runner diameter 3 m, head 20.4 m, turbine output 10.8 MW (3 turbines)
Description:
Refurbishment of mechanical equipment
Completed:
March 2020
Lič PS, Croatia
Data:
Axial pump, rotor diameter 0.399 m, head 18 m, pump input 200 kW
Description:
Manufacturing of new runner
Completed:
August 2020
Plave 2 HPP, Slovenia
Data:
Kaplan type turbine, runner diameter 3.8 m, head 18.2 m, turbine output 17.4 MW
Description:
Refurbishment of mechanical equipment
Completed:
September 2020
Graići SHPP, Serbia
Data:
Francis type turbines, runner diameter 380 m, head 80 m, combined turbine output 1.0 MW (2 turbines)
Description:
Manufacturing of hydro-mechanical equipment
Completed:
December 2020
Doblar 2 HPP, Slovenia
Data:
Kaplan type turbine, runner diameter 3.800 m, head 43 m, turbine output 40 MW
Description:
Refurbishment of mechanical equipment
Completed:
October 2021
Podselo SHPP, Slovenia
Data:
Non-regulated axial type turbine, submersible unit, head 17 m, unit output 135 kW
Description:
Installation of mechanical equipment (hydraulic system, main inlet valve), commissioning of the unit
Completed:
April 2022
Kariba North Bank HPP, Zambia
Data:
Francis type turbine, 4 units, head 92 m, unit output 150 MW
Description:
Supply of spare parts
Completed:
May 2022
Zadlaščica SHPP- unit No. 2, Slovenia
Data:
Pelton type turbine, 2 nozzles, head 440 m, turbine output 5 MW
Description:
Supervision of mechanical part of refurbishment
Completed:
September 2022
Haditha HPP, Iraq
Data:
Kaplan type turbine, runner diameter 6.600 m, head 36 m, turbine output 110 MW
Description:
Mechanical rehabilitation and modernization of units (1-6), as a subcontractor
Completed:
Work in progress until 2028
ISO 9001 Certificate
ISO 9001:2015 Certificate: Research and development of hydraulic machinery (turbines and pumps)