#world largest hydroelectric project in Africa #china #richest countries in the world 2022 #Africa #World Data #energy supply company #the grand inga project #Grand Inga Dam #rating #dr congo #energy supply #ukraine #comparison #richest country #how to get bids for construction #compare #sustainable energy #size comparison #inga dam #what is world's largest dam #hydroelectric dam #the grand inga dam project #democratic republic of congo #energy #renewable energy #grand inga #hydroelectric dams #grand inga project #grand inga dam #richest countries in the world #rate #what is grand inga #usa #worlds largest dam #Grand Inga Dam project #compare length #hydropower #india #russia #total wealth by country #top