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Turbine Inlet Air Cooling

Natural gas fired power plants, new or old, often operate at temperatures and altitudes above ISO conditions, thereby losing up to 25% of the power plant output.

Operating above sea level has a more drmatic reduction, dropping output by approximately 3.3-3.6% for each 1,000 feet in elevation! This means lower revenue and profits.

TIAC CurveThis applies to both Simple Cycle and Combined Cycle Plants.

Turbine Inlet Air Cooling and its benefits are well proven in the market.





ENRGISTX strategic solution partners are industry leaders in Turbine Inlet Air Cooling solutions utilizing Shuangliang Eco-Energy Absorption Chillers.

Turbine Inlet Air Ambient Temperature and Altitude effects the output of Gas Turbine power-generation, as visible from the graph below. In a tropical or desert environment, the average temperature can range up to 100 deg F and in peak may increase up to 120 deg F.  Gas Turbine Net Output reduces drastically, just as the necessity for electricity peaks.

TIAC-Plant-frontThe solution to this problem is to cool (chill) the air entering the Gas Turbine to increase the output back to and even beyond the ISO specific performance, thereby improving operating efficiency and reducing carbon emissions.

Cooling air with refrigeration systems can cool the inlet air to a temperature lower than the wet bulb temperature, and is the most effective method to maintain ISO design conditions.


TIAC or New Power Plant? Adding Turbine Inlet Air Cooling (TIAC) to your existing plant will assure a constant kW output and revenue without the need for oversizing and/or building additional capacity.

In addition, TIAC applied to existing plants vs. installing new power plants, has the added benefit of less regulator review (EPA, etc.).

Waterless Cooling Tower

ENRGISTX TIAC Solution is unique in combining three technologies applied to a turnkey solution:

  • ENRGISTX Shuangliang Eco-Energy Absorption Chiller, uses the exhaust gas (or Steam from Combined Cycle) to provide “free” chilled water to cool the inlet air.
  • A 2nd Absorption Chiller combined with an Air Cooled Condenser, replaces the need for a cooling tower, allowing the system to operate in near waterless environments (saving 85%-90% water).