(4) The University of Dayton consists of, on average, 210 individual classrooms and up to 420 offices / meeting rooms. Classrooms include ~ 15 fluorescent bulbs and offices have ~ 2

fluorescent bulbs. The classrooms and offices/meeting rooms typically have lights on 250 days / year. Each bulb consumes electricity at rate of 110 W. Part A: What is the total quantity of energy (kWh) consumed by the campus in a given year? Part B: The lights are installed with an automatic sensor that reduces the time they are on to an average of 16 hours per day. What is the total quantity of energy (kWh) consumed by the campus in a given year? Part C: What is quantity of money ($) saved by the University in a given year by installing the automatic lights? Use the Commerical electricity rates for Ohio provided below. Electricity Ohio U.S. Average Residential 14.11 cents/kWh Commercial 11.56 cents/kWh Industrial 7.53 cents/kWh 13.24 cents/kWh 10.15 cents/kWh 7.24 cents/kWh Period Oct-21 Oct-21 Oct-21 find more find more find more find more Ohio - State Energy Profile Overview - U.S. Energy Information Administration (EIA)