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January 25, 2022

Alder, US

By Carmen

Alder is a 50MW hydro power project. It is located on Nisqually river/basin in Washington, the US. The project is currently active. It has been developed in single phase. Post completion of construction, the project got commissioned in 1945.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 50 50 Active Washington, the US Tacoma Power

Description

The project is developed and owned by Tacoma Power.

Alder is a run-of-river project. The gross head of the project is 68.58m. The total number of penstocks, pipes or long channels that carry water down from the hydroelectric reservoir to the turbines inside the actual power station, are 2 in number. Alder underwent through rehabilitation & modernization during 2022. The project generated 207.653 GWh of electricity.

Development Status

The project got commissioned in 1945.

Contractors Involved

Andritz Hydro was selected as the turbine supplier for the hydro power project. The company provided 2 units of francis turbines, each with 25MW nameplate capacity.

Andritz Hydro supplied 2 electric generators for the project.

About Tacoma Power

Tacoma Power (Tacoma) is engaged in providing electric service to the city of Tacoma in Washington, Fircrest, University Place, Fife, parts of Steilacoom, and Lakewood. It also provides telecommunications services such as cable television, broadband and wholesale internet services through its own network under the name Click network. Tacoma produces or buys electricity from various sources and uses different fuels such as coal, hydro power, natural gas, nuclear, biomass, petroleum, solar and wind to generate power. The company is a division of Tacoma Public Utilities. It operates hydroelectric power plants and provides energy efficiency products, energy services, electric services, parks, campsites and green power. Tacoma is headquartered in Washington, the US.

Methodology

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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