Choose the correct answer:

The hydroelectric power plant is _________ source of energy.

Conventional energy sources are the energy sources that have been in use for many years.

Hydroelectric power plants are also a conventional source of energy. About 16.6% of total electricity and about 70 % of total renewable energy in the world is provided by hydroelectric power plants. They are not Non-renewable because water is inexhaustible. It is not a continuous source of energy because its output fluctuates with changes in the flow rate of water with the season.