Tennessee Valley Authority
(缩略词：TVA)
- an independent federal government agency in the US, created in 1933 as part of the New Deal proposals. Responsible for the development of the whole Tennessee River basin, it provides one of the world's greatest irrigation and hydroelectric power systems.田纳西河流域管理局（美国独立的联邦政府机构, 1933年作为新政计划的一个部分而创立, 负责整个田纳西河流域的开发, 拥有世界最大的灌溉和水力发电系统之一）。