JAPAN is leading on Technology
The Vatican.
Norway is the European country that produces the most hydroelectric power. Its abundant rivers and water resources make it an ideal location for harnessing hydroelectric energy.
China!!
Mexican land has be made by the leading reforms in the country and that has been helped by technology.
Canada
As of 2012, it is China's Three Gorges Dam that is the largest hydroelectric project in the world.
Paraguay(:
The country that has the largest hydroelectric dam in terms of annual energy generation and is on the border of Paraguay and Brazil. It is the Itaipu dam.
VIETNAM
becus we have not yet advanced to that level in technology yet and its also very expensive.
hydroelectric is useful, it powers alot of our country, such as the Hover Dam, which powers a lot of Nevada. Hydroelectric power is cheap just like wind turbines because you just hvae to pay for the machine.