Reconstruction and General Maintance

Our services help achieve the highest equipment availability and optimum performance over the entire life-cycle of our products. In addition to traditional repair and maintenance, our specialists are available to recommend process improvements and upgrade opportunities.

STM POWER provides reconstruction, general maintenance and upgrade for hydro power plants up to 90 MW.

We provide following:

Disassembly and assembly
Revisions and technical inspections
Manufacture and repair of parts
– runner
– refurbished distributor
– bearings
– sealing systems
– turbine shaft
– gear boxes
– power cylinders
– control devices
– pump unit
– lubrication and cooling system
Design and implementation of structural modification
Measurement and testing

During project implementation, we apply following:

Quality management system according to EN ISO 9001:2009, Environmental management system according to EN ISO 14001:2004 and Safety management system according to OHSAS 18001:2007, Quality requirements for fusion welding of metallic materials according to STN EN ISO 3834-2:2006
Up-to-date systems for renovation of damaged parts
Use of modern materials and original design solutions for their use
Installation of new elements for safe and fully automatic operation, diagnostics and monitoring
Minimization or full replacement of hazardous materials


We also provide services for HPPs with incomplete technical documentation and we offer completion of the documentation.