Energy Sources --Consumption or expenditures for buildings using a specific type of energy (electricity, natural gas, fuel oil, district heat [district steam and district hot water], district chilled water, propane, and any other type of energy [wood, coal, active solar, and photovoltaic cells]).
(buildings; using; a specific type of energy) (district; chilled; water, propane, and any other type of energy)
buildings district
using chilled
a specific type of energy
water, propane, and any other type of energy