Iran's Energy Ministry has announced the first micro hydroelectric complex aimed at optimizing consumption of energy, and promoting green production in Iran's industrial sector. The micro power plants have been manufactured in three different types, each with different capacities of 8, 22, and 50 kilowatts. The ministry said some 368 sites with good potential have been recognized across the country for future plants. The installations can provide power households or small community, and can be connected to electric power networks. They can also provide an economical source of energy without the need purchase to fuel.