本文件规定了30 MWe以下小水电（SHP）项目设计的一般原则和基本要求，主要包括水文、地质、能源计算、项目布局、水力学、机电设备选择、施工规划、项目成本估算、经济评估、社会和环境评估。 本文件的应用旨在针对具体现场，根据拟建水电站的需要应用设计原则和要求。

This document specifies the general principles and basic requirements of design for small hydropower (SHP) projects up to 30 MWe, mainly including hydrology, geology, energy calculations, project layout, hydraulics, electromechanical equipment selection, construction planning, project cost estimates, economic appraisal, social and environmental assessments. Application of this document is intended to be site specific, with the principles and requirements of design applied in accordance with the needs of proposed hydropower plant.