湘西水电基地包括洞庭湖水系的湘、资、沅、澧四水流域,总流域面积262,823公里~2,其中湖南省境内204,843公里~2,占78%;贵州省境内30,401公里~2,占11.6%;其余属桂、川、鄂、赣、粤诸省(区)的仅27,579公里~2,占10.4%。湘西水能资源丰富,四水水能资源理论蕴藏量为1,861万千瓦,主要蕴藏在湖南省,达1,362万千瓦;其次为贵州省。 The Xiangxi hydropower base includes the Hunan, Ziyuan, Yuan and Huangshui watersheds in the Dongting Lake water system, with a total drainage area of ​​262,823 km2, of which 204,843 km2 is occupied by Hunan Province, accounting for 78%; Guizhou Province is 30,401 km2, accounting for 11.6% %; The rest is Gui, Sichuan, Hubei, Jiangxi, Guangdong provinces (districts) only 27,579 km ~ 2, accounting for 10.4%. The hydropower resources in western Hunan are abundant. The theoretical reserves of water resources of Sihsi are 18.61 million kilowatts, mainly in Hunan Province, reaching 13.62 million kilowatts, followed by Guizhou Province.