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Pollupalai and Vallimunai Wind Farms
Country	Sri Lanka
Location	Pachchilaipalli
Coordinates	09°34′40″N 80°19′12″E / 9.57778°N 80.32000°E / 9.57778; 80.32000
Status	Operational
Commission date	December 2014
Owner	WindForce (Pvt) Ltd
Operators	Joule Power (Pvt) Ltd Beta Power (Pvt) Ltd
Wind farm
Type	Onshore
Hub height	85 m (279 ft)
Rotor diameter	82 m (269 ft)
Rated wind speed	7.5 m/s (25 ft/s)
Site elevation	Sea level
Power generation
Units operational	16 × 1.5 MW
Make and model	ReGen V82
Nameplate capacity	24 MW
Annual net output	60 GWh
External links
Website	www.windforce.lk
Commons	Related media on Commons
[edit on Wikidata]

The Pollupalai and Vallimunai Wind Farms are two wind farms built together by Joule Power and Beta Power, on the north-eastern shore of the Jaffna Lagoon, in Pachchilaipalli, Sri Lanka. Both wind farms are owned by the parent company WindForce, and have an installed capacity of 12 megawatts each, and an annual production of approximately 60 GWh. The wind farms are the first-ever to be constructed in the Northern Province of Sri Lanka.

Wind turbines

Both wind farms utilizes a total of sixteen ReGen V82 wind turbines, which has an installed capacity of 1.5 MW per turbine. The turbines operate at 9–17.3 RPM, and has a rotor diameter of 82 m (269 ft) and a swept area of 5,325 m (57,318 sq ft). The tubular tower section has a hub height of 85 m (279 ft), and is made up of four sections.

The wind turbine's operating wind speed is 12.5 m/s (41 ft/s), with cut-in and cut-out wind speeds of 3 m/s (9.8 ft/s) and 22 m/s (72 ft/s) respectively. The turbines can survive wind speeds of up to 52.5 m/s (172 ft/s). All 16 turbines are placed 400 m (1,300 ft) apart in a single row, facing the lagoon. The site's average wind speed is 7.5 m/s (25 ft/s), with an air density of 1.18 kg/m (0.074 lb/cu ft).

See also

• Electricity in Sri Lanka

References

1. "Windforce Power Projects: Joule Power". Windforce. Archived from the original on 4 November 2015. Retrieved 6 November 2015.
2. "Windforce Power Projects: Beta Power". Windforce. Archived from the original on 4 November 2015. Retrieved 6 November 2015.
3. "NDB funds wind power projects in the Northern Province". The Sunday Times. 8 March 2015. Retrieved 6 November 2015.
4. ^ "ReGen Powertech: Vensys 82". ReGen. Retrieved 6 November 2015.

External links

• "NDB facilitates wind power projects". Sunday Observer. 1 February 2015. Retrieved 6 November 2015.

• Wind farms in Sri Lanka
• Buildings and structures in Kilinochchi District