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The Black Hills Power and Light Company in Gillette, Wyoming uses two Heatec HCI thermal fluid heaters to heat inlet air for their gas-turbine generators.
The turbine generators produce electricity to supplement power generated by older steam-powered generators in nearby facilities.
Heating combustion air prevents formation of ice during sub-zero or icing conditions. Ice can damage the turbines. The two Heatec heaters each produce 13.5 million Btu/hour. They maintain the temperature of water-glycol solution in the heating loop at 200 degrees F for heating the inlet air.
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