Turbine Inlet Air Chilling
Boost power output, efficiency and operational flexibility

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Turbine Inlet Air Chilling

As industry leaders in turbine inlet air chilling technologies, Stellar Energy has designed and supplied TIAC systems for electric utilities, independent power producers, municipal power-generation facilities, industrial power islands and liquefied natural gas facilities across the globe.

Best day performance, every day

While gas turbines are very efficient power-generation systems, when the weather gets hot, they lose power output. Unfortunately this happens at the exact time when power is needed most, as more people turn on air conditioning, causing a surge in electricity demand.

However, by applying Turbine Inlet Air Chilling (TIAC) systems, power producers can avoid this output drop, improving their profitability and guaranteeing constant power production. By mechanically chilling the inlet air before it enters the compressor, TIAC gives the turbine a boost and restores the power produced to the nominal-rated output. The result is up to 35 percent more overall power output.

Our TIAC Systems

From power plants to LNG plants, our range of TIAC systems delivers efficient cooling to enhance turbine performance and increase power...

How TIAC Works

Turbine Inlet Air Chilling is most compelling in warm climates when power output from gas turbines decreases but demand is highest because of air-conditioning...


We maintain 50 standard chiller module designs that can serve loads from 300 TRs to over 50,000 TRs. However, we can deliver any level of customization...

Turbine Inlet Air Chilling FAQs

Turbine Inlet Air Chilling improves profitability by enhancing power output. Learn more about our Turbine Inlet Air Chilling...

TIAC is a power enhancement applied to a gas turbine to enhance the power output, efficiency and operational flexibility of the power plant.

Why Use Turbine Inlet Air Chilling?

Maximize Existing Asset

TIAC chills inlet air to the ideal design temperature--regardless of ambient conditions--providing up to 35 percent more output.

Improve Heat Rate And Reduce Emissions

When installed on a combined cycle plant, TIAC can reduce emissions by providing peak capacity at combined cycle heat rates and lower emissions than a peaking plant. In addition, TIAC can be fueled by renewable energy or waste heat.

Enhance Operational Stability And Flexibility, Including Opportunity For Energy Storage

TIAC systems can incoporate thermal energy storage, shifting power required to run the chilling system to off-peak times, when power is in less demand.

Improve Financial Performance

Increased output and operational flexibility provide more power for dispatch during peak periods. And while actual numbers depend on many factors, a TIAC system costs less than the capital investment of a new turbine or peaking plant.


Improve Power Plant Life Cycle Cost

TIAC systems can be installed on combined cycle plants to provide peaking capacity with superior heat rates to those of simple cycle peaking plants. By improving the heat rate, TIAC increases the power per unit of fuel, thus making the gas turbine more efficient.

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