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Managing Energy Costs in Colleges and Universities Managing Energy Costs in Colleges and Universities Colleges and universities in the U.S. spend an average of $1.10 per square foot (ft2) on electricity and 18Â¢/ft2 on natural gas annually. In a typical college or university classroom building, lighting represents 31 percent and space heating accounts for 28 percent of total ener-gy use, making those systems the best targets for energy savings
1 cubic foot of gas $0.008 = $0.03 per KWH. In comparison to solar energy, the hydrocarbon fuel costs are significantly lower without rebates, tax benefits nor the cost of carbon emissions. A twoâKilowatt (KW) solar energy system costs about $45,000 and covers roughly half of a typical American householdâs energy needs.