Modernizing Soviet hydroelectric power plants helps maintain energy independence by transforming an outdated legacy into a modern and reliable power grid backbone. In the CIS countries, many hydroelectric power plants from the 1950s to 1980s still provide a significant portion of electricity. However, these plants require modernization to improve efficiency and operational safety.
Why is modernization important?
- Energy losses. Old turbines operate with reduced efficiency, leading to inefficient use of water resources.
- Outdated automation. Control is often manual or based on outdated analog systems.
- Decreased reliability. Wear and tear on mechanical components and frequent accidents increase risks and downtime.
What does modernization provide?
- Efficiency increased by up to 15–20% thanks to new turbines and digital control systems.
- Increasing the service life of equipment by at least 20–30 years.
- Implementation of digital control and automation using SCADA and remote monitoring.
- Environmentally friendly: modern technologies reduce water loss and minimize the impact on the ecosystem.
How does the process work?
A company like HydroTechnology begins with a station survey, including a review of archival documents and a technical audit of the equipment's condition. Then, a modernization project is developed, including the selection of turbines and control systems, and the load and implementation timeline are calculated. Once the project is approved, the equipment is manufactured in Austria, delivered, supervised installation, and commissioned. The entire process is completed with minimal customer involvement and is implemented on a turnkey basis.
Thus, the modernization of Soviet hydroelectric power plants is becoming a key step in strengthening the energy independence of CIS countries and the transition to a sustainable, modernized energy system of the future.
Which specific turbines improve the efficiency of Soviet hydroelectric power plants?
To increase the efficiency of Soviet hydroelectric power plants, modern turbines of the following types are often used during modernization:
- Francis-type radial-axial hydroturbines. These turbines offer a wide range of operating heads (from 10 to 700 m) and are capable of delivering high efficiency thanks to optimized blade geometry. They are used to replace older Kaplan turbines, significantly improving plant efficiency.
- Diagonal (cross) turbines. They offer high average efficiency across various operating modes, increasing the overall performance of hydroelectric units and allowing their use in variable pressure conditions.
- Kaplan turbines with adjustable blades provide the ability to optimize the operating mode when changing the water flow and pressure, which also contributes to increased efficiency.
Modern turbines come with software for precise tuning and control, which further improves the overall operating efficiency of the power plant.
Thus, the use of modern radial-axial, diagonal and Kaplan turbines significantly increases the efficiency of Soviet hydroelectric power plants and increases their service life and operational reliability.
Which specific turbines improve the efficiency of Soviet hydroelectric power plants?
To increase the efficiency of Soviet hydroelectric power plants, modern turbines of the following types are often used during modernization:
- Francis-type radial-axial hydroturbines. These turbines offer a wide range of operating heads (from 10 to 700 m) and are capable of delivering high efficiency thanks to optimized blade geometry. They are used to replace older Kaplan turbines, significantly improving plant efficiency.
- Diagonal (cross) turbines. They offer high average efficiency across various operating modes, increasing the overall performance of hydroelectric units and allowing their use in variable pressure conditions.
- Kaplan turbines with adjustable blades provide the ability to optimize the operating mode when changing the water flow and pressure, which also contributes to increased efficiency.
Modern turbines come with software for precise tuning and control, which further improves the overall operating efficiency of the power plant.
Thus, the use of modern radial-axial, diagonal and Kaplan turbines significantly increases the efficiency of Soviet hydroelectric power plants and increases their service life and operational reliability.











