Tucannon River Wind Farm is located on 20,000 acres near Dayton, Washington in Columbia County.  The project began construction in September 2013 and was completed in December 2014. It has a total installed capacity of 267 MW, making it PGE’s second largest renewable project.  Given the variability of wind, Tucannon River is expected to produce an average of around 101 MW — enough to power the homes of about 84,000 homes.

The project was built for Portland General Electric by general contractor and independent renewable power developer RES Americas Construction Inc.Using 116 wind turbines manufactured by Siemens Energy Inc., each generating total capacity of 2.3 megawatts.


  • Location:  Columbia and Garfield Counties, WA
  • Number of Turbines:  116
  • Turbine Type:  Siemens
  • Turbine Rating: 2.3 MW
  • Total expected installed capacity:  266.8 MW
  • Developer: Puget Sound Energy Inc.
  • Total expected installed capacity:  266.8 MW
  • Owner / Operator: Portland General Electric Company
  • Balance Of Plant Contractor: RES America Construction Inc.
  • Year of Operation:  2014


The combined contribution of Tucannon River Wind Project will generate the total amount of 133500 Credits throughout the lifetime of the project.

The Credits generated by the Tucannon River Wind Project will be assigned to citizens willing to contribute to climate change mitigation to offset their Personal Environmental Footprint, and be part of a global movement to fight now climate change.

Credits account the compensation effect of the temperature rise generated by the reduction of greenhouse gases emissions and/or the reduction in heat absorption by changes in physical properties of the use of land in specific projects.

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