Guizhou is a province with abundant resources. Its power relies mainly on water and coal mines. There are 984 rivers that are longer than 10 kilometers or with a drainage area larger than 20 square kilometers. The province's coal reserves are over 50 billion tons. It is a key province for the nation's "West-to-East Electricity Transmission" project. Coal mine resources in Guizhou are comparatively concentrated. There are 128 kinds of minerals and subclass minerals, 76 of which have measured reservation volumes. All resources in the province enjoy convenient exploration conditions.