Maintenance is an important part of hydropower systems. The main components will need to be regularly serviced. In some cases, these parts may need to be replaced or overhauled. Refurbishment is a way to minimize downtime and optimize your systems.
Sorensen Systems specializes in developing electro-hydraulic systems for small and micro hydro refurbishment projects. We have decades of experience providing cost-effective solutions for hydroelectric modernization projects.
Hydro Refurbishments & New Installations
Its in-house staff of engineers and technicians have extensive experience with applications ranging from turbine speed control to water level management. System design, fabrication, installation, start-up and field maintenance are provided for:
- Low to high pressure electro-hydraulic conversion
 - Automated controls, excitation, protection and monitoring
 - Valve and gate actuation and control systems
 - Ball valve, butterfly valve and fixed cone operating assemblies and systems
 
Solutions We’ve Provided
- Repair and remanufacturing services for hydraulic and electronic components
 - Turbine-generator operating systems
 - Electro-hydraulic governors and positioners
 - Electric gate and valve positioners
 - Hydraulic gate and valve operating systems
 - Conversion systems
 - Self-contained actuator systems
 - Explosion-proof actuator systems
 - Submersible actuator systems
 - AWWA butterfly, ball and cone valves – 12-inch to 140-inch
 
Hydro Station Refurbishment
Sorensen Systems provides full-service project management for hydro station refurbishment and automation. This includes:
- the disassembly and refurbishment of the existing turbine generators
 - static excitation systems
 - turbine bearing cooling water systems
 - refurbished switchgear panels
 - turbine control panels
 - digital governor heads with the refurbished governor hydraulic pumping units
 - station battery charging system.
 
Case Studies:

Hydro turbine generator package for Barkhamsted Hydro Transmission Project

Micro hydro station automation upgrade for Massachusetts Water Resources Authority (MWRA) facility in Clinton

Small hydro installation for MWRA facility in Weston
