China is being the top country by hydroelectricity net generation in the world. As of 2014, hydroelectricity net generation in China was 1,041.49 billion kilowatthours that accounts for 27.00 % of the world's hydroelectricity net generation. The top 5 countries (others are Canada, Brazil, the United States of America, and Russian Federation) account for 57.63 % of it. The world's total hydroelectricity net generation was estimated at 3,857.09 billion kilowatthours in 2014.
The amount of gross generation less the electrical energy consumed at the generating station(s) for station service or auxiliaries. Electricity required for pumping at pumped-storage plants is regarded as electricity for station service and is deducted from gross generation. Both conventional and combined hydroelectric plants. Conventional hydroelectric plant is a plant in which all of the power is produced from natural streamflow as regulated by available storage. Combined hydroelectric plant is a hydroelectric plant that uses both pumped water and natural streamflow for the production of power.