Yeywa Dam

Yeywa Hydropower Station
Yeywa Dam
Location of Yeywa Hydropower Station in Myanmar
Official nameBurmese: ရဲရွာရေအားလျှပ်စစ်ဓာတ်အားပေးစက်ရုံ
LocationMandalay Region, Kyaukse District Kyaukse Township, near Yeyaman village, Myanmar
(52 km or 32 mi from Mandalay)
Coordinates21°40′22″N 96°28′25″E / 21.67278°N 96.47361°E / 21.67278; 96.47361
Construction began2001-2002
Opening date2010 (2010)
Construction costUS$700 million
Designed by Colenco Power Engineering Ltd. (Switzerland)
Owner(s)Department of Hydropower, Ministry of Electricity and Energy (Myanmar)
Dam and spillways
Type of damGravity, roller-compacted concrete
ImpoundsMyitnge River, a tributary of the Ayeyarwady River
Height134 m (440 ft)
Length690 m (2,260 ft)
Spillway typeungated spillway
157 m (515 ft) crest width
136 m (446 ft) net width
Spillway capacitydesign flood: 6,600 m3/s (5.4 acre⋅ft/s)
Reservoir
Total capacity2.6 billion m3 (9.82 Tmcft) gross storage
1.6 billion m3 (56.5 Tmcft) active storage
Catchment area10,890 sq mi (28,200 km2)
Surface area14,580 acres (59.0 km2)
Maximum water depth>180 m (590.6 ft)
Power Station
Operator(s)Myanmar Electric Power Enterprise
Commission date2010
Turbines4 x 197.5 MW (264,900 hp) Francis-type
Installed capacity790 MW (1,060,000 hp)
Annual generation3,550 GWh (12,800 TJ)
Website
Yeywa Dam

The Yeywa Hydropower Station (Burmese: ရဲရွာရေအားလျှပ်စစ်ဓာတ်အားပေးစက်ရုံ), located on the Myitnge River, 52 kilometres (32 mi) southeast of Mandalay city, at Yeywa village in Kyaukse Township, Mandalay Region in central Myanmar, is the country's first roller-compacted concrete (RCC) dam, and the site of a 790-megawatt (1,060,000 hp) hydroelectric power plant, the largest in the country.