龙羊峡水电站是国家确定“五五”计划开始兴建的项目,1976年初,水电部第四工程局受命进驻工地,同时进行补充勘探、补充初步设计和施工准备工作。1977年初步设计审查后,随着设计和施工的不断深入,至1982年国家要求实行“五定”时,龙羊峡水电站工程概算总 Longyangxia Hydropower Station is a project that the state has decided to start the construction of the “5 th Five-Year Plan”. In early 1976, the Fourth Engineering Bureau of the Ministry of Mines was ordered to enter the site and at the same time to conduct supplementary exploration and preliminary design and construction preparations. After the initial design review in 1977, with the continuous deepening of design and construction, until 1982, when the state required to implement the “five criteria”, the estimated budget of Longyangxia Hydropower Station