PUMPED STORAGE SOLUTIONS

The world's most proven hydro battery for grid stability and renewable integration

Litostroj provides integrated pumped storage solutions for new projects and modernization of existing facilities. From pump-turbines and electrical systems to automation and plant upgrades, we deliver technologies that enable flexible operation, enhance grid support capabilities, and create long-term value for plant owners.

Dlouhe strane HPP

Pumped storage capabilities

Output / Input capacityFrom 5 MW up to 400 MW per unit
Delivery head range10 meters up to 750 meters
Runner diametersUp to 7 meters
Mode transition speed1 to 3 minutes between pump, turbine, and condenser modes

Pump turbines

High-performance pump-turbines for flexible energy storage

Pumped storage hydropower plants play a critical role in balancing modern power systems and supporting the integration of renewable energy sources. We design and deliver pump-turbine solutions optimized for efficiency, reliability, and operational flexibility across a wide range of heads and operating conditions.

Our engineering expertise ensures maximum performance throughout the entire operating range.

Variable speed technology

Greater flexibility for a rapidly changing energy market

Variable-speed technology enables pumped storage plants to respond more effectively to fluctuating grid conditions and renewable energy generation.

By allowing flexible operation in both pumping and generating modes, variable-speed units improve grid stability, increase operational efficiency, and create new opportunities for participation in ancillary service markets.

Electrical systems

Advanced electrical solutions for reliable grid integration

The performance of a pumped storage plant depends on seamless interaction between hydraulic and electrical systems. We provide complete electrical solutions, including generators, motor-generators, excitation systems, protection systems, transformers, and grid integration equipment.

Our solutions support reliable operation, efficient energy conversion, and long-term asset performance.

Modernization of existing PSPP

Unlocking new value from existing pumped storage assets

Many pumped storage plants can significantly benefit from modernization. Through targeted upgrades of hydraulic, mechanical, electrical, and control systems, we help operators improve efficiency, increase capacity, enhance operational flexibility, and extend asset lifetime.

Our modernization solutions are tailored to the specific requirements of each facility, ensuring long-term reliability and improved performance in today's evolving energy landscape.

Pushing the Limits of Power at PSPP Dlouhé Stráně

  • Reversible francis
  • Europe
  • Refurbishment

Located in the picturesque mountains of the Czech Republic, the pumped-storage hydroelectric power plant Dlouhé Stráně is an engineering marvel.

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Limberg I: modernizing the alpine legend at PSHPP

  • Francis turbine
  • Europe
  • Refurbishment

High in the Austrian Alps, Limberg I has delivered flexible hydropower and energy storage for decades.

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Ready to engineer your next pumped storage project?

From greenfield hydro batteries to complex resonance elimination and upgrades.