Dæmningen er tilknyttet et [[vandkraftværk]], som var fuldt udbygget 4. juli 2012,<ref name="autogenerated5">{{cite web|url=http://www.ctg.com.cn/xwzx/news.php?mnewsid=60653|title=Sānxiá gōngchéng zuìhòu yī tái jīzǔ jiéshù 72 xiǎoshí shì yùnxíng |website=[[China Three Gorges Corporation]] |publisher=Folkerepublikken Kina |script-title=zh:三峡工程最后一台机组结束72小时试运行|trans-title=The last unit of the Three Gorges Project has completed its 72-hour test run |url-status=dead |archive-url=https://web.archive.org/web/20130512233812/http://www.ctg.com.cn/xwzx/news.php?mnewsid=60653 |archive-date=12. maj 2013 |access-date=23. juni 2012}}</ref><ref>{{cite web | access-date=8. juli 2012 | url=http://www.ctg.com.cn/xwzx/news.php?mnewsid=62169 | title=Three Gorges underground power station electrical and mechanical equipment is fully handed over production | publisher=China Three Gorges Corporation | language=kinesisk | archive-url=https://web.archive.org/web/20130405105848/http://www.ctg.com.cn/xwzx/news.php?mnewsid=62169 | archive-date=5. april 2013 |url-status=dead}}</ref> da den sidste af i alt 32 vandturbiner blev sat i drift. Hver [[turbine]] har en effekt på 700&nbsp;MW<ref name="iet2009">{{cite web | archive-date=16. juli 2018 | archive-url=https://web.archive.org/web/20180716092946/https://eandt.theiet.org/content/articles/2009/03/taming-the-yangtze/ | url=https://eandt.theiet.org/content/articles/2009/03/taming-the-yangtze/ | title=Taming the Yangtze |url-status=live | work=IET magazine | date=2. marts 2009 | last=Acker | first=Fabian}}</ref><ref name="ctgpc1">{{cite web | publisher=China Three Gorges Project Corporation | date=30. oktober 2008 | access-date=6. december 2008 | language=kinesisk | archive-date=9. februar 2009 | script-title=zh:三峡工程左右岸电站26台机组全部投入商业运行 | url=http://www.ctgpc.com.cn/sx/news.php?mNewsId=30559 | archive-url=https://web.archive.org/web/20090209230355/http://www.ctgpc.com.cn/sx/news.php?mNewsId=30559 |url-status=dead}}</ref> og samlet har de 32 hovedturbiner, sammen med to mindre generatorer på hver 50&nbsp;MW til at forsyne selve kraftværket, en produktionseffekt på 22.500&nbsp;MW.<ref name=iet2009 /><ref name="Xinhua20081007">{{cite news | url=http://news.xinhuanet.com/english/2008-10/07/content_10162045.htm | title=Three Gorges reservoir raises water to target level | publisher=Xinhua | date=7. oktober 2008 | access-date=23. november 2010 | archive-url=https://web.archive.org/web/20100110232324/http://news.xinhuanet.com/english/2008-10/07/content_10162045.htm | archive-date=10. januar 2010 |url-status=dead}}</ref><ref name="inventspot">{{cite web | archive-date=4. maj 2011 | archive-url=https://web.archive.org/web/20110504133535/http://inventorspot.com/articles/final_turbine_chinas_three_gorges_dam_begins_testing | url=http://inventorspot.com/articles/final_turbine_chinas_three_gorges_dam_begins_testing | title=Final Turbine at China's Three Gorges Dam Begins Testing | publisher=Inventor Spot | access-date=15. maj 2011 |url-status=live}}</ref> Projektets sidste større del, skibselevatoren, blev færdig i december 2015.<ref name="shipcom">{{cite news | access-date=15. februar 2016 | archive-date=22. februar 2016 | archive-url=https://web.archive.org/web/20160222012223/http://news.cnhubei.com/xw/jj/201601/t3513977.shtml | url=http://news.cnhubei.com/xw/jj/201601/t3513977.shtml | title=The world's largest 'L boat lift' Three Gorges Dam successfully tested | date=14. januar 2016 | agency=Chutianjinbao News | language=kinesisk |url-status=live}}</ref> Vandkraftværket drives af virksomheden [[China Yangtze Power]].
Vand