Emu Downs Wind Farm

Emu Downs Wind Farm
Wind turbine at Emu Downs
Country Australia
Location Western Australia
Coordinates 30°30′S 115°20′E / 30.500°S 115.333°E / -30.500; 115.333Coordinates: 30°30′S 115°20′E / 30.500°S 115.333°E / -30.500; 115.333
Status Operational
Construction began November 2005 (2005-11)
Commission date October 2006 (2006-10)
Construction cost $180 million
Owner(s) APA Group
Wind farm
Type Onshore
Hub height 68.5 metres
Rotor diameter 82 metres
Power generation
Units operational 48
Make and model Vestas V82
Nameplate capacity 80 MW
Annual net output 262 GWh (2007/08)
Website
https://www.apa.com.au/our-services/other-energy-services/wind-farms/
Emu Downs Solar Farm
Country Australia
Location Adjacent to Emu Downs Wind Farm
Commission date December 2017
Construction cost A$50 million
Owner(s) APA Group
Solar field
Type Flat-panel PV
Collectors 75,168
Site area 70 hectares (170 acres)

The Emu Downs Wind Farm (30°30′S 115°20′E / 30.500°S 115.333°E / -30.500; 115.333) is a 79.2 MW wind farm in Western Australia. It was a joint development between Stanwell Corporation and Griffin Energy. The site is approximately 200 kilometres north of Perth, near Cervantes. Construction of the $180 million project commenced in November 2005, and the project was commissioned in October 2006.[1]

Emu Downs consists of 48 Vestas wind turbines (each with 1.65 MW generating capacity), a substation, interconnection to the main 132 kV electricity grid, administration and stores buildings, and a network of access roads. The wind farm is close to the coast, with a good quality wind resource that has increased wind speeds and reliability aligning with periods for peak power demand.[1] The prevailing wind blows from the east in the mornings and the Fremantle Doctor from the west in the afternoons.[2]

The wind farm provides electricity to the grid. 260 km (160 mi) to the south there is the Kwinana Desalination Plant, located just south of Perth, and turns water from the Indian Ocean into nearly 152 million litres (40 million gallons) of drinking water per day.[3]

Emu Downs is accredited under the Australian Government's Renewable Energy (Electricity) Act 2000 and as a Green Power Generator by the Sustainable Energy Development Authority.[1]

In June 2011, the wind farm was acquired by the APA Group for $170 million from the failed Griffin Group.[4]

Solar farm

When APA group bought Emu Downs, it realised that there is usually a drop in output in the middle of the day as the wind changes. To balance that and achieve better utilisation of transmission infrastructure, APA has installed a 20MW solar farm on the same site. Its peak output is during the time when the wind farm is not at full capacity, so no additional capacity was needed in the substation or grid connection point. The solar farm has 75,000 photovoltaic solar panels on a 70-hectare site adjacent to the wind farm. It cost A$50 million (including a federal government grant of A$5.5 million) and began operation in December 2017. The output of both the solar and wind farms is contracted to Synergy until 2030.[2]

References

  1. 1 2 3 "Emu Downs Wind Farm" (PDF). APA Group. Retrieved 29 October 2013.
  2. 1 2 "WA's first co-located wind and solar farm completed at Emu Downs". Australian Renewable Energy Agency. 2 March 2018. Retrieved 2 August 2018.
  3. ↑ Sullivan, Michael (18 June 2007). "Australia Turns to Desalination Amid Water Shortage". NPR. Retrieved 29 October 2013.
  4. ↑ Bennet, Michael (25 June 2011). "Gas player APA's $170m Emu Downs wind farm buy confuses analysts". The Australian. Retrieved 29 October 2013.
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