GHWF – Golden Hills Wind Farm 400 MW – Oregon - Project Profile

GHWF – Golden Hills Wind Farm 400 MW – Oregon - Project Profile


"GHWF – Golden Hills Wind Farm 400 MW – Oregon- Project Profile" contains information on the scope of the project including project overview and location. The profile also details project ownership and funding, gives a full project description, as well as information on contracts, tendering and key project contacts.

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Golden Hills Wind Farm LLC (GHWF), a subsidiary of Avangrid Renewables LLC (Avangrid), is planning to construct the Golden Hills Wind Farm project in Sherman County, Oregon, the US.

The project involves the construction of a wind farm with a power generation capacity of 400MW. It is planned to be executed in two phases each with a capacity of 200MW.

The project includes the construction of two substations of each approximately on an 8,094m2 area, an operations and maintenance building, 80km of access roads and the installation of six permanent meteorological towers, 125-wind turbines of 95m height, underground power-collection system, a 17.7km transmission line of 500kV, located west of Highway 97.

The power generated from the wind farm will be connected to the grid at BPA’s transmission line near the Klondike substation. The remaining power will interconnect at BPA’s John Day Substation about 19km to the north.

Westlake Consultants Inc. has been appointed as the lead consultant. The scope of the contract includes planning, design and ownership financing for the project, staking for road alignment and turbine placement, cadastral surveying for lease boundary resolution and ALTA surveying.

On April 11, 2007, BP Alternative Energy submitted a Notice of Intent.

On July 6, 2007, ODOE issued a Project Order.

On August 10, 2007, BP Alternative Energy submitted a preliminary application.

On August 4, 2008, the filing of the application completed.

On October 6, 2008, ODOE issued a draft proposed order.

On May 15, 2009, Council approved a site certificate for construction and operation.

On February 12, 2012, ODOE issued an order on Request for Amendment one.

In December 2014, GHWF applied Request for Amendment 2 (RFA) and Request to Transfer the Site Certificate to extend the construction deadlines for beginning and completing construction by two years to the Energy Facility Sitting Council (EFSC).

In December 2015, GHWF submitted Request for Amendment 3 (RFA) to EFSC, which includes:

1) To extend the construction start and completion deadlines by two years.

2) To reduce the number of turbines from 267 to 125, and increase the height from 80m to 95m.

3) To modify related and supporting facilities including eliminating the previously approved western substation and 500kV transmission line and extending the 230kV transmission line to connect to the BPA grid near the existing Klondike substation.

4) Elimination of the previously approved 11-mile, 500-kV transmission line.

5) Elimination of one of the two previously approved substations, relocate the second substation to a more central location within the site boundary and expand the substation area from 0.8ha to 2ha.

6) Increase the height of six meteorological towers from 85m to 95m.

7) Expanding the width of temporary access roads from 10.9m to 12.1m.

Oregon Department of Energy accepted comments on the draft approval until October 7, 2016, for revisions involving the site certificate by EFSC.

On October 19, 2017, Avangrid submitted a Request for Amendment 4 (RFA) to the Council for the extension of the construction start date to June 18, 2020.

As of November 2017, GHWF has secured the construction permit. Subject to signing of the power purchase agreement (PPA), construction works to commence.


The project involves the construction of a wind farm with a power generation capacity of 400MW in Oregon, the US.

The US$800 million project includes the following:

1. Construction of 200MW wind farm in phase one

2. Construction of 200MW wind farm in phase two

3. Construction of 8,094m2, two substations

4. Construction of operations and maintenance building

5. Construction of 80km access roads

6. Installation of six permanent meteorological towers

7. Installation of underground power-collection system

8. Installation of 17.7km, 500kV transmission line

9. Installation of 125 wind turbines of 95m high

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1.Key Statistics
2.Key Dates
4.Operating metrics
5.Tender Information
8.Latest update
10.Key Contacts
11.General News, Project News

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