page_title: Sirikit Dam
section_title: Design
hierarchical_section_title: Sirikit Dam / Design
caption_attribution_description: English: Panorama of the Sirikit Dam, with on the right, the lake created from the Nan River by the dam. This image was created with Hugin
context_page_description: 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.
context_section_description: The dam is a 113.6 m (373 ft) high and 800 m (2,625 ft) long embankment dam that is 630 m (2,067 ft) wide at its base and 12 m (39 ft) wide at its crest. The dam withholds a reservoir of 9,510,000,000 m³ (7,709,882 acre⋅ft) of which 6,666,000,000 m³ (5,404,214 acre⋅ft) is active or "useful" storage. The reservoir has a surface area of 259 km² (100 sq mi). The dam's spillway consists of a tunnel controlled by two radial gates, it has a capacity of 3,250 m³/s (114,773 cu ft/s). The dam's power station contains 4 x 125 MW Francis turbines for an installed capacity of 500 MW.
caption: Panorama of the Sirikit Dam, with on the right, the reservoir of the Nan River
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