<Table> <Tr> <Th colspan="2"> Three Gorges Dam 三峡 大 坝 </Th> </Tr> <Tr> <Td colspan="2"> The dam in September 2009 </Td> </Tr> <Tr> <Td colspan="2"> Location in Hubei </Td> </Tr> <Tr> <Th> Country </Th> <Td> China </Td> </Tr> <Tr> <Th> Location </Th> <Td> Sandouping , Yiling District , Hubei </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 30 ° 49 ′ 23 '' N 111 ° 00 ′ 12 '' E ﻿ / ﻿ 30.82306 ° N 111.00333 ° E ﻿ / 30.82306 ; 111.00333 Coordinates : 30 ° 49 ′ 23 '' N 111 ° 00 ′ 12 '' E ﻿ / ﻿ 30.82306 ° N 111.00333 ° E ﻿ / 30.82306 ; 111.00333 </Td> </Tr> <Tr> <Th> Purpose </Th> <Td> Power , flood control , navigation </Td> </Tr> <Tr> <Th> Status </Th> <Td> Operational </Td> </Tr> <Tr> <Th> Construction began </Th> <Td> December 14 , 1994 </Td> </Tr> <Tr> <Th> Opening date </Th> <Td> 2003 </Td> </Tr> <Tr> <Th> Construction cost </Th> <Td> ¥ 203 billion ( US $31.765 billion ) </Td> </Tr> <Tr> <Th> Owner ( s ) </Th> <Td> China Yangtze Power ( subsidiary of China Three Gorges Corporation ) </Td> </Tr> <Tr> <Th colspan="2"> Dam and spillways </Th> </Tr> <Tr> <Th> Type of dam </Th> <Td> Gravity dam </Td> </Tr> <Tr> <Th> Impounds </Th> <Td> Yangtze River </Td> </Tr> <Tr> <Th> Height </Th> <Td> 181 m ( 594 ft ) </Td> </Tr> <Tr> <Th> Length </Th> <Td> 2,335 m ( 7,661 ft ) </Td> </Tr> <Tr> <Th> Width ( crest ) </Th> <Td> 40 m ( 131 ft ) </Td> </Tr> <Tr> <Th> Width ( base ) </Th> <Td> 115 m ( 377 ft ) </Td> </Tr> <Tr> <Th> Spillway capacity </Th> <Td> 116,000 m / s ( 4,100,000 cu ft / s ) </Td> </Tr> <Tr> <Th colspan="2"> Reservoir </Th> </Tr> <Tr> <Th> Creates </Th> <Td> Three Gorges Reservoir </Td> </Tr> <Tr> <Th> Total capacity </Th> <Td> 39.3 km ( 31,900,000 acre ⋅ ft ) </Td> </Tr> <Tr> <Th> Catchment area </Th> <Td> 1,000,000 km ( 390,000 sq mi ) </Td> </Tr> <Tr> <Th> Surface area </Th> <Td> 1,084 km ( 419 sq mi ) </Td> </Tr> <Tr> <Th> Maximum length </Th> <Td> 600 km ( 370 mi ) </Td> </Tr> <Tr> <Th> Normal elevation </Th> <Td> 175 m ( 574 ft ) </Td> </Tr> <Tr> <Th colspan="2"> Power Station </Th> </Tr> <Tr> <Th> Commission date </Th> <Td> 2003 -- 2012 </Td> </Tr> <Tr> <Th> Type </Th> <Td> Conventional </Td> </Tr> <Tr> <Th> Hydraulic head </Th> <Td> Rated : 80.6 m ( 264 ft ) Maximum : 113 m ( 371 ft ) </Td> </Tr> <Tr> <Th> Turbines </Th> <Td> 32 × 700 MW 2 × 50 MW Francis - type </Td> </Tr> <Tr> <Th> Installed capacity </Th> <Td> 22,500 MW </Td> </Tr> <Tr> <Th> Capacity factor </Th> <Td> 45 % </Td> </Tr> <Tr> <Th> Annual generation </Th> <Td> 87 TWh ( 310 PJ ) ( 2015 ) </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> Three Gorges Dam 三峡 大 坝 </Th> </Tr> <Tr> <Td colspan="2"> The dam in September 2009 </Td> </Tr> <Tr> <Td colspan="2"> Location in Hubei </Td> </Tr> <Tr> <Th> Country </Th> <Td> China </Td> </Tr> <Tr> <Th> Location </Th> <Td> Sandouping , Yiling District , Hubei </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 30 ° 49 ′ 23 '' N 111 ° 00 ′ 12 '' E ﻿ / ﻿ 30.82306 ° N 111.00333 ° E ﻿ / 30.82306 ; 111.00333 Coordinates : 30 ° 49 ′ 23 '' N 111 ° 00 ′ 12 '' E ﻿ / ﻿ 30.82306 ° N 111.00333 ° E ﻿ / 30.82306 ; 111.00333 </Td> </Tr> <Tr> <Th> Purpose </Th> <Td> Power , flood control , navigation </Td> </Tr> <Tr> <Th> Status </Th> <Td> Operational </Td> </Tr> <Tr> <Th> Construction began </Th> <Td> December 14 , 1994 </Td> </Tr> <Tr> <Th> Opening date </Th> <Td> 2003 </Td> </Tr> <Tr> <Th> Construction cost </Th> <Td> ¥ 203 billion ( US $31.765 billion ) </Td> </Tr> <Tr> <Th> Owner ( s ) </Th> <Td> China Yangtze Power ( subsidiary of China Three Gorges Corporation ) </Td> </Tr> <Tr> <Th colspan="2"> Dam and spillways </Th> </Tr> <Tr> <Th> Type of dam </Th> <Td> Gravity dam </Td> </Tr> <Tr> <Th> Impounds </Th> <Td> Yangtze River </Td> </Tr> <Tr> <Th> Height </Th> <Td> 181 m ( 594 ft ) </Td> </Tr> <Tr> <Th> Length </Th> <Td> 2,335 m ( 7,661 ft ) </Td> </Tr> <Tr> <Th> Width ( crest ) </Th> <Td> 40 m ( 131 ft ) </Td> </Tr> <Tr> <Th> Width ( base ) </Th> <Td> 115 m ( 377 ft ) </Td> </Tr> <Tr> <Th> Spillway capacity </Th> <Td> 116,000 m / s ( 4,100,000 cu ft / s ) </Td> </Tr> <Tr> <Th colspan="2"> Reservoir </Th> </Tr> <Tr> <Th> Creates </Th> <Td> Three Gorges Reservoir </Td> </Tr> <Tr> <Th> Total capacity </Th> <Td> 39.3 km ( 31,900,000 acre ⋅ ft ) </Td> </Tr> <Tr> <Th> Catchment area </Th> <Td> 1,000,000 km ( 390,000 sq mi ) </Td> </Tr> <Tr> <Th> Surface area </Th> <Td> 1,084 km ( 419 sq mi ) </Td> </Tr> <Tr> <Th> Maximum length </Th> <Td> 600 km ( 370 mi ) </Td> </Tr> <Tr> <Th> Normal elevation </Th> <Td> 175 m ( 574 ft ) </Td> </Tr> <Tr> <Th colspan="2"> Power Station </Th> </Tr> <Tr> <Th> Commission date </Th> <Td> 2003 -- 2012 </Td> </Tr> <Tr> <Th> Type </Th> <Td> Conventional </Td> </Tr> <Tr> <Th> Hydraulic head </Th> <Td> Rated : 80.6 m ( 264 ft ) Maximum : 113 m ( 371 ft ) </Td> </Tr> <Tr> <Th> Turbines </Th> <Td> 32 × 700 MW 2 × 50 MW Francis - type </Td> </Tr> <Tr> <Th> Installed capacity </Th> <Td> 22,500 MW </Td> </Tr> <Tr> <Th> Capacity factor </Th> <Td> 45 % </Td> </Tr> <Tr> <Th> Annual generation </Th> <Td> 87 TWh ( 310 PJ ) ( 2015 ) </Td> </Tr> </Table>
when did they start building the three gorges dam
when did they start building the three gorges dam
December 14 , 1994
December 14 , 1994