No, it is still very experimental. Commercial use is many years away
It is not used on earth
Heat energy.
Right now, except for the Sun, fusion is not a viable source of energy. We do not expect commercial production from fusion energy for another 50 to 100 years, if then. The technological obstacles are presently insurmountable, primarily due to problems with containment, but we are working on them.
There are fission and fusion reactors. However, at present (2016) there is no commercial fusion reactor which can produce more energy than is required to operate it.
That is called nuclear energy.
Fusion occurs when two atomic nuclei collide. The reaction that is produce by the collision can be used to provide energy. Fusion is the reaction that powers most active stars in the universe.
The nuclear fusion is not used now as a source of energy; probable possible in a far future.
Nuclear fission is the process of splitting a nucleus with a large mass into two nuclei with smaller masses. The energy released can then be used to produce electricity. Nuclear fusion is the process of merging nuclei with smaller masses into a nucleus with a larger mass. The energy released by this reaction may someday be used to produce electricity. In other words, Nuclear Fusion is the exact opposite of Nuclear fission. While Nuclear Fission is splitting a nucleus into two nuclei, nuclear fusion is merging two nuclei into a nucleus.
SOS look it up
Nuclear fusion releases huge amounts of energy. It occurs when the nuclei of elements are fused together at high temperatures and high pressure. Fusion energy is used to produce energy for some of the Earth's cities.
0% No country gets any of its energy from fusion as nobody has figured out how to build a controlled fusion reactor.
hydrogen when used for nuclear fusion