What We Do
Consulting Services
Three core service areas built on 20+ years of hands-on Millwright experience across hydroelectric, gas turbine, and geothermal generating facilities — with hydroelectric as the primary specialty.
Impulse Turbines / High-Head
Pelton Turbine Consulting
Pelton turbines operate at the highest heads in hydroelectric generation — and the margin for error is zero. With deep hands-on experience in impulse turbine systems, Kosonen Consulting delivers field-level diagnostics and optimization that desktop analysis simply cannot replicate.
What's Included
- Bucket geometry inspection and wear assessment
- Nozzle and needle valve condition evaluation
- Deflector system analysis and adjustment
- Runner balancing and vibration diagnostics
- Jet alignment and distribution optimization
- Performance curve analysis and efficiency recovery
- Maintenance scheduling and lifecycle planning
- Rehabilitation scope development and contractor oversight
Mixed-Flow Turbines / Medium & High-Head
Francis Turbine Consulting
Francis turbines are the workhorses of the hydroelectric industry — versatile, powerful, and demanding of precise maintenance. Kosonen Consulting brings Millwright-level knowledge to every Francis turbine engagement, from routine assessments to full rehabilitation planning.
What's Included
- Runner condition assessment and cavitation analysis
- Guide vane (wicket gate) inspection and adjustment
- Draft tube evaluation and flow analysis
- Seal and labyrinth clearance measurement
- Bearing and shaft alignment diagnostics
- Efficiency testing and performance benchmarking
- Cavitation damage assessment and repair scoping
- Overhaul planning and outage coordination support
Lifecycle Strategy
Operations & Maintenance Advisory
Effective O&M is the difference between a facility that runs at peak efficiency for decades and one that suffers costly unplanned outages. Kosonen Consulting draws on 20+ years of field experience to help operators build maintenance programs that are practical, cost-effective, and built to last.
What's Included
- Maintenance program development and review
- Preventive and predictive maintenance scheduling
- Outage planning and scope development
- Condition-based monitoring recommendations
- Spare parts inventory strategy
- Staff training and knowledge transfer
- Regulatory compliance support
- Long-term asset management planning
Work With Us
Ready to Put Field Experience to Work?
Whether you need a turbine assessment, a maintenance program review, or a trusted second opinion — let's talk about what your facility needs.