1. Hydropower is a renewable energy source that harnesses the energy of flowing or falling water to generate electricity.
水力发电是一种利用流动或坠落的水的能量来发电的可再生能源。

2. The construction of a new hydropower plant will provide clean and sustainable energy for the region.
建设一座新的水电站将为该地区提供清洁可持续的能源。