Sirikit Dam

Sirikit Dam
The dam's power station at its base
Location of Sirikit Dam in Thailand
Official name	Queen Sirikit Dam
Country	Thailand
Location	Tha Pla, Uttaradit
Coordinates	17°45′50″N 100°33′48″E / 17.76389°N 100.56333°E / 17.76389; 100.56333
Status	In use
Construction began	1968
Opening date	1974
Owner(s)	Electricity Generating Authority of Thailand
Dam and spillways
Type of dam	Embankment
Impounds	Nan River
Height	113.6 m (373 ft)
Length	800 m (2,625 ft)
Width (crest)	12 m (39 ft)
Width (base)	630 m (2,067 ft)
Spillway type	Tunnel, service
Spillway capacity	3,250 m3/s (114,773 cu ft/s)
Reservoir
Creates	Sirikit Reservoir
Total capacity	9,510,000,000 m3 (7,709,882 acre⋅ft)
Active capacity	6,668,000,000 m3 (5,405,836 acre⋅ft)
Catchment area	13,130 km2 (5,070 sq mi)
Surface area	259 km2 (100 sq mi)
Power Station
Commission date	1974, 1995
Hydraulic head	75.4 m (247 ft) (rated)
Turbines	4 x 125 MW Francis-type
Installed capacity	500 MW

The Queen Sirikit Dam is an embankment dam on the Nan River, a tributary of the Chao Phraya River, in Tha Pla District, Uttaradit Province, Thailand. It is at the southeastern edge of the Phi Pan Nam Range. The dam was built for the purpose of irrigation, flood control and hydroelectric power production. It is named after Sirikit, Queen of Thailand.^[1]