The processing units of this plant include: the power generating units, the steam units, dispatching .The most important characteristic of the power station is it's compatibility with the environment. The 2 and 4 gas turbine units have a capacity to generate 648 megawatts.

The air units at Fajr petrochemical complex include two compartments: the compression and the Separation parts. The capacity of the compression unit is 16500 cubic meter per hour and is 15500 cubic meter per hour for compressed and non-compressed air respectively. This capacity is required to sustain the accurate instruments.

The Water Treatment Plant consists of the pre treatment, the reverse osmosis, DMwater, the condenser recycled water, fresh water and the water for the fire fighters. The Water Treatment Plants capacity in area 1 is 7000 cubic meter per hour and in area 2 is 4800 cubic meter per hour.

The area 1 Effluent Treatment Plant has been designed to purify the high TDS water wastage, low TDS water wastage, and the rest rooms wastage materials.
The capacity of this area for the high TDS is 70 cubic meter per hour