Question: Which hydroelectric dam , originally intended to be constructed in approximately ten years , now has an expected completion time of 15 years ?

text: Hydroelectricity
Major projects under construction
This section needs to be updated . Please update this article to reflect recent events or newly available information . ( February 2018 )
Hydroelectricity is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity, and was expected to increase by about 3.1% each year for the next 25 years. Hydropower is produced in 150 countries, with the Asia-Pacific region generating 33 percent of global hydropower in 2013. China is the largest hydroelectricity producer, with 920 TWh of production in 2013, representing 16.9% of domestic electricity use. The cost of hydroelectricity is relatively low, making it a competitive source of renewable electricity. The hydro station consumes no water, unlike coal or gas plants. The typical cost of electricity from a hydro station larger than 10 megawatts is 3 to 5 U.S. cents per kilowatt hour. With a dam and reservoir it is also a flexible source of electricity, since the amount produced by the station can be varied up or down very rapidly (as little as a few seconds) to adapt to changing energy demands. Once a hydroelectric complex is constructed, the project produces no direct waste, and it generally has a considerably lower output level of greenhouse gases than photovoltaic power plants and certainly fossil fuel powered energy plants (see also Life-cycle_greenhouse-gas_emissions_of_energy_sources). However, when constructed in lowland rainforest areas, where inundation of a part of the forest is necessary, they actually emit up to 3 to 4 times more greenhouse gases[clarification needed] (see also Environmental_impact_of_reservoirs#Greenhouse_gases).
Name Nameplate capacity ( MW ) Country Construction started Scheduled completion Comments
Belo Monte Dam 11,181 Brazil March , 2011 2015 As of May 2019 installed capacity exceeds 8 GWe , final completion expected in 2020
Siang Upper HE Project 11,000 India April , 2009 2024 Multi-phase construction over a period of 15 years . Construction was delayed due to dispute with China
Tasang Dam 7,110 Burma March , 2007 2022 Controversial 228 meter tall dam with capacity to produce 35,446 GWh annually
Xiangjiaba Dam 6,400 China November 26 , 2006 2015 The last generator was commissioned on July 9 , 2014
Grand Ethiopian Renaissance Dam 6,000 Ethiopia 2011 2017 Located in the upper Nile Basin , drawing complaint from Egypt
Nuozhadu Dam 5,850 China 2006 2017
Jinping 2 Hydropower Station 4,800 China January 30 , 2007 2014 To build this dam , 23 families and 129 local residents need to be moved . It works with Jinping 1 Hydropower Station as a group
Dasu Dam 4,820 Pakistan February , 2018 2023
Diamer-Bhasha Dam 4,500 Pakistan October 18 , 2011 2023
Jinping 1 Hydropower Station 3,600 China November 11 , 2005 2014 The sixth and final generator was commissioned on 15 July 2014
Jirau Power Station 3,300 Brazil 2008 2013 Construction completed December 2016 installed capacity 3,750 MWe
Guanyinyan Dam 3,000 China 2008 2015 Construction of the roads and spillway started
Lianghekou Dam 3,000 China 2014 2023
Dagangshan Dam 2,600 China August 15 , 2008 2016
Liyuan Dam 2,400 China 2008 2013
Tocoma Dam Bolívar State 2,160 Venezuela 2004 2014 This power station would be the last development in the Low Caroni Basin , bringing the total to six power stations on the same river , including the 10,000MW Guri Dam
Ludila Dam 2,100 China 2007 2015 Brief construction halt in 2009 for environmental assessment
Shuangjiangkou Dam 2,000 China December , 2007 2018 The dam will be 312 m high
Ahai Dam 2,000 China July 27 , 2006 2015
Teles Pires Dam 1,820 Brazil 2011 2015