Polgolla Barrage

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Polgolla Barrage
MW
Website
http://www.mahawelicomplex.lk/Poldam.html

The Polgolla Barrage (also erroneously known as the Polgolla Dam) is a

Central Province of Sri Lanka. The barrage is used to increase the volume of water, for transfer to the hydroelectric power station located 8 km (5 mi) north, via penstock.[1][2]

Polgolla Reservoir Waterdrome operates a short distance upstream on the lake created by the barrage.

Power station

The Polgolla Barrage, as seen from the left-bank downriver.

Water from the Polgolla Reservoir is transferred to the Ukuwela Power Station at 07°23′56″N 80°39′08″E / 7.39889°N 80.65222°E / 7.39889; 80.65222 (Ukuwela Power Station), near Ukuwela, via an 8 km (5 mi) long underground penstock. Water from the reservoir is transferred to the power station at a rate of 2,000 cu ft/s (57 m3/s).[2]

The power station at Ukuwela consists of two 20

MW. Both units were commissioned in July 1976. Water from the power station is discharged into the Amban River, a major tributary to the Mahaweli River, which then connects back to the Mahaweli River at a distance of approximately 140 km (87 mi) downstream of the Polgolla Barrage.[3][1]

See also

References

  1. ^ a b "Polgolla Barrage and Reservoir". Mahaweli Authority. Retrieved 19 January 2014.
  2. ^ a b "CEB Hydropower Generation". Ceylon Electricity Board. Archived from the original on 18 January 2014. Retrieved 19 January 2014.
  3. ^ "CEB Generation Details: Laxapana Complex". Ceylon Electricity Board. Archived from the original on 16 January 2014. Retrieved 18 January 2014.


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