Why are we in need of different sources of energy for generating electricity in the UAE?

Question 1: Why are we in need of different sources of energy for generating electricity in the UAE?

Question 2: What are the key consideration while building a nuclear power plant? (Location, safety, and precautions, disaster management protocols in case of accidents) (Use at least 3 source’s but you can use more + MAX WORD IS 800!!) Format of info should be as question and answer.