Houshang Falahatian made the announcement on Monday May 30 at the 11th International Energy Conference that started work on Sunday for two days.
During the past decade, Iran has installed facilities with a capacity of 37,000MW in power plants, Falahatian said, adding that the country ranks 14th in world in that field.
Also, the capacity of 74,000MW in Iran will reach 100,000MW by 2020, he said.
Iran is a country with the largest capacity installed in power plants in the Middle East, said the official.
At present, Iran exchanges electricity with neighbouring countries including Pakistan, Turkmenistan, Azerbaijan, Afghanistan, Armenia, Iraq and Turkey, he added.