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January 10, 2022

Thompson Falls, US

By Carmen

Thompson Falls is a 94MW hydro power project. It is located on Clark Fork river/basin in Montana, the US. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in 1915.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 94 94 Active Montana, the US Kiewit


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.

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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.

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.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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