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November 23, 2021

Shepherds Flat, US

By Carmen

Shepherds Flat is an 845MW onshore wind power project. It is located in Oregon, the US. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in February 2012.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Onshore 845 845 Active Oregon, the US Caithness Energy


The project was developed by Caithness Energy. Caithness Energy, Google Energy and Sumitomo are currently owning the project.

The project generates 180,000MWh electricity and supplies enough clean energy to power 227,000 households, offsetting 1,500,000t of carbon dioxide emissions (CO2) a year. The project cost is $2,000m.

Development Status

The project is currently active. The project got commissioned in February 2012.

Power Purchase Agreement

The power generated from the project is sold to Southern California Edison under a power purchase agreement for a period of 20 years from 2012. The contracted capacity is 845MW.

Contractors Involved

Blattner Energy was selected to render EPC services for the wind power project.

GE Renewable Energy was selected as the turbine supplier for the wind power project. The project consists of 338 units of 2.5-100 turbines, each with 2.5MW nameplate capacity.

GE Renewable Energy is the O&M contractor for the wind power project for a period of 10 years.

About Caithness Energy

Caithness Energy, L.L.C. (Caithness) is an alternative energy company that offers power generation programs. The company is a Independent Power Producer specializing in the operation, development, acquisition and management of renewable energy and natural gas. The company generates power through wind, natural gas, geothermal, hydroelectric, solar and coal resources. Its services comprise asset management, operations and maintenance, and development support. Caithness has equity investments in the electric generating power facilities such as Rumford Power, and Tiverton Power. The company offers management and operating services for the electric generating power facilities owned by third parties. Its projects include Caithness Long Island Energy Center, Caithness Shepherds Flat, Mescalero Ridge, and Caithness Blythe II. Caithness is headquartered in New York, 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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