Biglow Canyon Wind Farm

Last updated
Biglow Canyon Wind Farm
Biglow Canyon Wind Farm under construction.jpg
Part of the Biglow Canyon Wind Farm, with a turbine under construction
Biglow Canyon Wind Farm
Country
  • United States
Location Sherman County, Oregon, United States
Coordinates 45°38′15″N120°36′19″W / 45.63750°N 120.60528°W / 45.63750; -120.60528
StatusOperational
Commission date 2005
Owner(s) Portland General Electric
Wind farm
Type Onshore
Power generation
Units operational217
Make and model Vestas V82-1.65 MW
Siemens SWT-2.3 MW
Nameplate capacity 450  MW
Capacity factor 27.1% (average 2012-2018)
Annual net output 1,069  GW·h
External links
Commons Related media on Commons
[ edit on Wikidata]
Map showing proposed wind farms in Sherman County; Biglow is in pink Biglow-canyon-windfarm-map.png
Map showing proposed wind farms in Sherman County; Biglow is in pink

Biglow Canyon Wind Farm is an electricity generating wind farm facility in Sherman County, Oregon, United States. It is owned by Portland, Oregon-based Portland General Electric and began operations in 2007. With the completion of phase 3 of the project it has a generating capacity of 450 megawatts. It is located roughly five miles (8 km) northeast of Wasco, Oregon, [1] and about ten miles (16 km) southeast of Rufus, Oregon. Biglow Canyon Wind Farm covers 25,000 acres (10,000 ha) in the Columbia River Gorge.

Contents

History

In 2005, Orion Energy announced plans to develop a 450-megawatt wind farm with 225 turbines at Biglow Canyon in the Columbia River Gorge, at the time the largest project of its kind in Oregon. [2] Portland General Electric (PGE) acquired Orion's development right to the $200 million project in 2006. [3] In November 2006, PGE purchased the first 76 turbines for the project from Vestas, with the project cost increasing to an estimated $256 million for the first phase. [4] PGE broke ground on the site in February 2007. In the middle of October 2007, ten Vestas V82 wind turbines were energized to produce the first electricity at Biglow. [5] The last of the 76 turbines in the first-phase of the wind farm development became operational in December 2007. [6]

The turbines for phases 2 and 3 were purchased from Siemens Energy. There will be 141 SWT-2.3-93 turbines, with a capacity of 2.3 MW each. [7] Phase 2 of the project was completed in August 2009, adding 65 turbines to the wind farm. [8] The expansion brought generating capacity to 275 megawatts. [8] Phase 3 added 76 wind turbines, with the cost of phases two and three totaling $700 to $800 million. [8] Phase 3 completed the project and brought the maximum generating capacity to 450 megawatts, though the anticipated generation is estimated to average 150 megawatts. [8] The final phase was completed in September 2010, with the project totaling 217 turbines at a cost $1 billion. [9]

On February 1, 2022, a turbine lost a blade which traveled about 100 yards before landing. This resulted in the farm being shut-down for months for inspections. [10]

Operations

A Vestas wind turbine Vestasturbine.jpg
A Vestas wind turbine

The Biglow Canyon Wind Farm has an installed capacity of 450 megawatts. [6] The site covers 25,000 acres (10,000 ha) in Sherman County. [5] The wind farm uses a feeder transmission line from the canyon to high-voltage transmission lines via a power substation located near The Dalles. [5] [11] PGE does not own this line. Additionally, the line connects this and other wind farms to the Bonneville Power Administration run power grid built for use with the hydroelectric dams on the Columbia River. [5]

Certification

The facility is authorized to install up to 225 wind turbines totaling 450 MW and averaging 150 MW distributed over 25,000 acres (10,000 ha). Each turbine's supporting tower must be 265–280 feet (81–85 m) tall; combined with wind turbine blades, each unit may be 400–445 feet (122–136 m) in height. The turbines may be aligned in up to 30 corridors 500 feet (150 m) wide on private farmland leased from the appropriate landowners. [1] The initial construction—termed phase I—provides a completed capacity of 125 MW or enough to power 34,000 homes. [12] Phase I cost some $250 million. Energy Trust of Oregon contributed $6 million. [12]

Turbine output is around 600 V AC and is converted to 34.5 kV by a transformer at the base of each tower. The output is gathered by a substation which combines the individual turbine contributions. Most collector cabling and associated control and monitoring fiber-optic cable (up to 99 miles) is buried 3 feet (0.91 m) underground. Exceptions are made for aerial cables to span terrain such as canyons, wetlands, and cultivated areas to protect the environment. Up to 15 miles (24 km) of aerial cabling is permitted. [1] Bonneville Power Administration built a 12-mile 230 kV transmission line to collect the power. It has capacity for an expected additional 450 MW from two other proposed wind farms in Sherman County. [13]

The substation may be up to 6 acres (2.4 ha) including transformers, switching equipment, maintenance shops, control room, and offices. [1] As many as ten meteorological observation towers up to 279 ft (85 m) are allowed throughout the wind farm to collect wind resource data. [1] Construction must be completed by June 30, 2011. [1]

Visual impact restrictions are in force for the John Day Wildlife Refuge, John Day Wild and Scenic River, and the John Day State Scenic Waterway (from Parish Creek to Tumwater Falls). Wildlife protection must be provided for nesting bald eagles, peregrine falcons, Swainson's hawk, golden eagle, Burrowing owl, Ferruginous hawk and minimization of harm to other wildlife. [1] Noise levels during construction and operation of the facility must not contribute more than 50 dBA at 24 identified noise sensitive sitesAmbient noise level. [1]

Electricity production

Biglow Canyon Wind Electricity Generation (MW·h) [14]
YearAnnual
MW·h
200711,400
2008381,598
2009343,833
2010311,962
2011486,281
20121,108,517
20131,190,817
20141,142,486
20151,045,257
20161,058,132
2017894,881
20181,041,840
Average
(2012-2018) :		1,068,847

See also

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References

  1. 1 2 3 4 5 6 7 8 The Oregon Energy Facility Siting Council (October 31, 2008). "Third Amended Site Certificate for the Biglow Canyon Wind Farm" (PDF). Oregon Department of Energy. Archived from the original (PDF) on 2010-07-09. Retrieved 2009-01-26.
  2. ↑ Hill, Gail Kinsey. Wind farm in gorge may blow others away. The Oregonian . August 1, 2005.
  3. ↑ Hill, Gail Kinsey. PGE power project rides on the wind. The Oregonian . April 12, 2006.
  4. ↑ Hill, Gail Kinsey. PGE has the wind and adds the mills. The Oregonian . November 28, 2006.
  5. 1 2 3 4 Sickinger, Ted. Demand for wind dwarfs supply. The Oregonian , November 9, 2007.
  6. 1 2 PGE Completes Biglow Canyon Wind Farm. Renewable Energy Access. Retrieved on 2009-01-26.
  7. ↑ Siemens Energy to supply wind farm turbines. The Engineer Online. Retrieved on 2009-01-26.
  8. 1 2 3 4 "PGE completes second phase of wind farm". Portland Business Journal. August 20, 2009. Retrieved 2009-08-22.
  9. ↑ Sickinger, Ted (September 8, 2010). "PGE completes final phase of Biglow Canyon wind farm". The Oregonian . Archived from the original on 11 September 2010. Retrieved 9 September 2010.
  10. ↑ "Upcoming investigation: How an airborne blade exposed broader problems at PGE's flagship wind farm".
  11. ↑ Confusingly, the power substation near The Dalles is named John Day substation. See "Pacific Northwest-Pacific Southwest Intertie". US Bureau of Reclamation. Archived from the original on 18 January 2009. Retrieved 2009-01-26.
  12. 1 2 PGE's Biglow Canyon Wind Farm Helps Make Holiday Lights Greener, PGE press release, December 21, 2007.
  13. ↑ "Klondike III/Biglow Canyon Interconnection". Bonneville Power Administration. September 4, 2007. Archived from the original on May 4, 2009. Retrieved 2009-01-26.
  14. ↑ "Biglow Canyon, Annual". Electricity Data Browser. Energy Information Administration . Retrieved March 31, 2019.
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