1. Overview of Campus Energy Systems October 9, 2013

2. Utilities & Energy Management

3. Supply Side

4. Energy Suppliers

9. Other Renewable Fuels

10. Solar, Wind & Geothermal

11. Plant Operations

12. Solid Fuel Boiler

13. Boiler #10 – Stoker Boiler

14. Boiler #11 – Fluidized Bed

15. Turbine Generator

16. Typical Utility System

17. Cogeneration System

18. Northwest Plant Power Distribution West Power Distribution East Chilled Water Distribution West Substation U 161 kV Substation L 69 kV Across Campus Tie West Chiller PlantNorth Chiller Plant Chilled Water Distribution East University of Iowa Main Campus Utilities UIHC East Campus West Campus Steam Chillers (3) Electric Chillers (8) Steam Chiller ( 1 ) Steam Chillers (3) Electric Chillers (1) Legend:ElectricalChilled Water SteamPotable Water 8 10 11 Solid Fuel Boilers Natural Gas Boilers Steam Turbine Electric Generators Steam Distribution West Steam Distribution East Water Treatment Plant Potable Water Distribution East Potable Water Distribution West 7 Main Power Plant WCB 2 Natural Gas Boilers WCB 1 Natural Gas Boiler Natural Gas Engine Electric Generators

19. Utilities & Energy Management

20. Purchased Fuels

21. Purchased Energy

22. Distribution by Energy Content

23. Utilities Enterprise Budget

24. Mid American Incentives

25. Curtailment Response

27. Energy Use By Buildings FY2013 Bldg NameEL MMBtuST (MMBTU) CW (MMBtu) TOTAL (MMBtu) % of TotalCumulative Total % POMERANTZ FAMILY PAVILION73,52589,23386,060248,8189.45% COLLOTON PAVILION80,53941,358117,127239,0249.08%18.54% GENERAL HOSPITAL30,94598,90347,094176,9426.72%25.26% BOWEN SCIENCE BUILDING35,35991,79742,950170,1066.46%31.72% CARVER PAVILION49,28739,50459,853148,6435.65%37.37% PAPPAJOHN PAVILION38,17443,51544,319126,0084.79%42.16% MEDICAL EDUCATION RESEARCH FACILITY 22,62177,42724,298124,3464.72%46.89% MEDICAL LABORATORIES21,82943,99731,40697,2323.69%50.58% 50+% of Energy Use in 8 Buildings

28. Bldg NameEL MMBtuST (MMBTU)CW (MMBtu)TOTAL (MMBtu) % of TotalCumulative Total % POMERANTZ FAMILY PAVILION 73,52589,23386,060248,8189.45% COLLOTON PAVILION 80,53941,358117,127239,0249.08%18.54% GENERAL HOSPITAL 30,94598,90347,094176,9426.72%25.26% BOWEN SCIENCE BUILDING 35,35991,79742,950170,1066.46%31.72% CARVER PAVILION 49,28739,50459,853148,6435.65%37.37% PAPPAJOHN PAVILION 38,17443,51544,319126,0084.79%42.16% MEDICAL EDUCATION RESEARCH FACILITY 22,62177,42724,298124,3464.72%46.89% MEDICAL LABORATORIES 21,82943,99731,40697,2323.69%50.58% PHARMACY BUILDING 21,72748,13723,85693,7203.56%54.14% DENTAL SCIENCE BUILDING 15,38752,67122,71090,7673.45%57.59% CHEMISTRY BUILDING 27,61128,99231,32687,9293.34%60.93% BOYD TOWER 23,33325,27613,62762,2372.36%63.30% LIBRARY (MAIN) 17,94320,68523,55362,1812.36%65.66% CARVER BIOMEDICAL RESEARCH BUILDING 17,39422,85120,35960,6042.30%67.96% SOUTH WING 17,62923,79716,68758,1132.21%70.17% IOWA ADVANCED TECHNOLOGY LABORATORIES 13,55719,32017,22750,1041.90%72.07% IOWA MEMORIAL UNION 10,87319,55113,16043,5841.66%73.73% SEAMANS CENTER 14,20316,25110,63041,0841.56%75.29% BIOLOGY BUILDING 13,57614,1669,48937,2311.41%76.71% ECKSTEIN MEDICAL RESEARCH BUILDING 17,44917,36836435,1811.34%78.04% LINDQUIST CENTER 12,7988,19812,89133,8861.29%79.33% UNIVERSITY CAPITOL CENTRE 14,7007,5209,45331,6731.20%80.53% 80+% of Energy Use in 22 Buildings

30. Top Energy Intensive Buildings Bldg NameTOTAL (MMBtu) Total EUI Btu/ksf PHARMACY BUILDING93,720655.51 MEDICAL EDUCATION RESEARCH FACILITY124,346537.96 BOWEN SCIENCE BUILDING170,106453.55 CARVER BIOMEDICAL RESEARCH BUILDING60,604444.17 MEDICAL LABORATORIES97,232426.13 DENTAL SCIENCE BUILDING90,767403.49 IOWA ADVANCED TECHNOLOGY LABORATORIES50,104391.64 BIOLOGY BUILDING EAST22,397359.23

31. Energy Control Center