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SWIDERSKI ENGINEERING Inc. (SEi) is an environmental engineering company founded to fulfill the unique technological needs of the small and medium hydropower industry.

Owned and operated by Jacek Swiderski, the firm has been registered in Province of Ontario, Canada since 1997, incorporated in 2005.

SEi's area of expertise is related to the hydraulic and mechanical design of water turbines (50 kW to 10 MW per unit). The high quality of the hydraulic designs is assured by detailed verification using Computational Fluid Dynamics (CFD) methods.Mechanical designs are verified and optimized using Finite Element Analysis (FEA) of turbine components and whole assemblies working under hydraulic as calculated based on CFD.

First implementations of SEi designs were completed in 1998 for NORCAN hydraulic turbine inc. of Carleton Place, Ontario, Canada. This started very fruitful, continuous cooperation, which resulted in several successful projects in Canada, USA, China, Central and South America

For small hydro projects undertaken on the territory of Poland we cooperate with renowned power engineering company ZRE Gdansk Sp. z o.o. As partners, sharing experiences, abilities and equipment, companies have conducted a number of successful enterprises.

Since 2009 SEi supports Kiser Hydro LLP of Norway, Michigan, USA in modernizations and upgrades of Francis and Kaplan turbines.

DESIGN of all hydraulic flow passages of the water power plant (pressurized inlet, turbine distributor, runner, draft tube);
PREDICTION of the performance of any reaction water turbine and operational optimization of the power plant;
POWER PLANT UPGRADES: from site potential-power evaluation to the final design;
ANALYSIS of the risk of investment related to hydrology.