Thompson Falls is a 94MW hydro power project. It is located on Clark Fork river/basin in Montana, the US. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in 1915. Buy the profile here.


The project was developed by Kiewit and is currently owned by NorthWestern.

Thompson Falls is a run-of-river project.

Development status

The project got commissioned in 1915.

Contractors involved

Thompson Falls (Thompson Falls New) is equipped with GE Renewable Energy kaplan turbine. The phase consists of 1 turbine with 52.311MW nameplate capacity.

Thompson Falls (Thompson Falls Old) is equipped with Voith Hydro Holding francis turbines. The phase consists of 4 turbines with 6.338MW nameplate capacity.

Thompson Falls (Thompson Falls Old) is equipped with Wartsila francis turbines. The phase consists of 2 turbines with 6.972MW nameplate capacity.

Andritz Hydro and GE Renewable Energy have supplied 1 and 6 generators, respectively.

For more details on Thompson Falls, buy the profile here.

About Kiewit

Kiewit Corp (Kiewit) is a provider of construction and engineering services. Kiewit provides construction, procurement, and engineering related solutions for building highways, tunnels and bridges, airports, hotels, hospitals, office buildings, and educational facilities. The company designs and builds waste-to-energy, hydroelectric and co-generation plants along with reservoirs and canals. The company also offers asset development, investment and finance and asset management. It serves transportation, power, buildings, mining, oil and gas, chemical, heavy civil, water and wastewater sectors. It also operates an online store, which offers apparels, bags and coolers, decals and patches, drink ware, eye ware, head ware, paper goods and others. Kiewit is headquartered in Omaha, Nebraska, the US.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.