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Glass kilns utilise heavy fuel oil (HFO) or natural gas. Typically a glass furnace exhaust flue gas will be at a temperature of 450-500°C. As per available statistics, the energy lost through exhaust flue gas will be in the range of 25-30% of input energy. For a seven hundred ton capacity glass furnace, the energy lost to the atmosphere through flue gaswill be typically 8000KWth. FirstESCO supplies technology for recovering this heat energy lost to the atmosphere and converting into useful power using ORC power systems. Typically for a 700 ton glass furnace, it is possible to generate upto 2.5MW using ORC power system.