46. The total amount spent on NC State utilities in FY 2010 was $32.2 million. Electricity accounted for 65.9% ($21.2 million) of the total utility costs and provided for 52.3% of the total energy usage. Natural gas accounted for 22.2% ($7.1 million) of the total utility costs and provided for 43.4% of the total energy usage. 6.9% ($2.2 million) of the total spent was on water supply. The water purchased was used for hygiene, HVAC, irrigation and in research laboratories 2.2 trillion BTUs $32,367,840 11