Nuclear power is considered to be the best energy resource which meet global growing energy needs, when it works safely.
This is a good hook statement.
Last several years, energy consumption of the world has increased extremely, without atomic power station it is difficult to cover . However, we should handle the safety or security regulation technology, absolutely
... both these sentences end abruptly. Give them neat finish. Also, you should make a clear statement that explains your position. The last line in your introduction is not very clear about this.
There is no doubt you can write well. However, you need to pay more attention to the essay structure.