Cowlitz River Project Complex

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Cowlitz River Project Complex is a complex of operating hydroelectric power plants in United States.

The complex consists of the following projects:

Complex Details

Table 1: Project-level details for Cowlitz River Project Complex

Project name Status Commissioning year Nameplate capacity Technology type Owner
Mayfield hydroelectric plant operating[1] 1963[1] 162 MW[1] Run-of-river[2] Tacoma Power[3]
Mossyrock hydroelectric plant operating[1] 1968[1] 300 MW[1] Conventional storage[1] Tacoma Power[3]

Location

Table 2: Location details for Cowlitz River Project Complex

Project name Location River Coordinates (WGS 84)
Mayfield hydroelectric plant Silver Creek, Lewis County, Washington, United States[1][4] Cowlitz River[4] 46.5035, -122.589 (exact)[1]
Mossyrock hydroelectric plant Silver Creek, Lewis County, Washington, United States[1][4] Cowlitz River[4] 46.5347, -122.425 (exact)[1]

The map below shows the exact locations of the projects in the complex:

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Articles and Resources

Additional data

To access additional data, including an interactive map of global nuclear power plants, a downloadable dataset, and summary data, please visit the Global Hydropower Tracker on the Global Energy Monitor website.

References

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 US Energy Information Administration (December 27, 2022). "Preliminary Monthly Electric Generator Inventory - November". Retrieved January 13, 2023.
  2. https://web.archive.org/web/20221130104712/https://hydroreform.org/hydro-project/mayfield-p-2016/. Archived from the original on 30 November 2022. {{cite web}}: Missing or empty |title= (help)
  3. 3.0 3.1 https://web.archive.org/web/20221017121759/https://www.mytpu.org/about-tpu/services/power/about-tacoma-power/dams-power-sources/cowlitz-river-project/mayfield-dam/. Archived from the original on 17 October 2022. {{cite web}}: Missing or empty |title= (help)
  4. 4.0 4.1 4.2 4.3 US Energy Information Administration (September 22, 2022). "Form EIA-860 detailed data with previous form data". Retrieved January 13, 2023.