Eighty percent of the energy used within the glass industry is used for process heating – primarily to heat the raw materials to transform them into the glass melt. Electricity is used to power equipment, as well as to light facilities.

Heat & Power Consumption by End Use – 1998 (NAICS 3272)
(Trillion Btu)



Total Heat & Power = 203 trillion Btu

Source: MECS 1998

* HVAC = heating, ventilation, and air conditioning