The document summarizes energy efficiency projects completed at a university campus that reduced the campus' total wattage by 83% and saved $26,318 annually. It details lighting replacement projects in 11 buildings that installed more efficient LED and T8 lights, resulting in substantial wattage reductions and cost savings. Motion sensors and programmable thermostats were also installed. Overall, the projects improved energy efficiency, reduced operating costs, and received utility rebates.

2. • Completed 11 Buildings
Alumni House Anspach Hall Dow Science
Grawn Hall Moore Hall Rowe Hall
University Center Warriner Hall Campbell Hall
Kesseler Hall Kulhavi Hall
• Before: 43,800 watts
• After: 7,592 watts
• Total wattage reduction – 83%
• Annual Savings: $26,318

3. Replace incandescent bulbs
with LED lights – Kesseler,
Kulhavi & Campbell Halls
# Lights Location Change Percent
Replaced Reduction
42 Hallways 90 watt to 8 watt 91%
18 Desk 20 watt to 6 70%
areas watt
Rebate for $600 has been submitted
Park Library
# Lights Location Change Percent
Replaced Reduction
107 Auditorium, 50 watt 88%
Extended Hr incandescent to 6
area, Elevators watt LED
Filed for Rebate

4. Replaced T-12
lights to more
energy efficient T-8
lights in ET Building
Total Cost: $108,499
Savings/Yr: $35,385
Rebate: $20,035
ROI: 40%
Currently replacing lights
in Grounds South Building

5. Installed motion sensors for interior
lighting in classrooms, hallways,
auditoriums and restrooms.
Anspach Dow Foust ET Grawn IAC Moore Music Pearce
Cost $28,500 $75,541 $32,884 $12,376 $23,260 $24,509 $60,000 $25,400 $30,500
Estimated $7,198 $33,425 $9,500 $8,400 $7,000 $5,800 $20,000 $6,800 $7,625
Annual
Savings
ROI 32% 58% 31% 86% 41% 28% 37% 36% 30%
Rebate $5,767 $18,659 $2,542 $2,570 $6,322 $3,377 $9,001 $6,640 $5,219

6. Installing computer
Power Save software
throughout campus. To
date, 2,147 copies of
software in use.
Cost $28,000
Estimated Annual Savings $100,000
ROI 350%
Funded by Facilities
Management – Implemented
by Information Technology

7. Replaced old pneumatic thermostats with wireless radio controlled
Building Complete: ET Building & Central Energy Facility
Cost: $28,934 Estimated Annual Savings: $7,000 ROI – 24%

8. Installed 2,330
radiator valves in
Merrill Quad, Robinson
Quad & the Towers
Cost $394,743
Estimated $159,077
Annual Savings
ROI 48%
Rebate $61,785

9. • Monitors Carbon
Dioxide (CO2)levels in
occupied spaces
• Work completed by
HVAC Department
• 98% of campus
buildings complete
• Average cost each air
handler - $700
• ROI – less than 1 year
or 100%

10. Reduce kitchen
hood exhaust rate
in all dining
commons
Cost $50,000
Potential Energy $26,534
Savings
ROI 53%

11. Campus Aerator & Flush Valve
Installation
Installed 0.5 gpm aerators on 4,500 faucets
throughout campus
Cost $9,000
Estimated Annual Savings $58,000
ROI 640%
Installed low flow flush valves on toilets &
urinals throughout campus (650 toilets & 220 urinals)
Cost $17,500
Estimated Annual Savings $11,250
ROI 65%

12. •The steam absorption chiller
produces chilled water for cooling.
•Steam is produced by the wood
fueled boiler—a renewable resource
•Displaces an electric powered chiller
•Higher steam demands allow more
electric generation
Cost $45,000
Estimated Annual Savings $584,000
ROI 1,298%

13. • Energy Rebates Received FY 11 - $99,365
• Consumers Energy
• DTE/Mich Con
• Alternative Fuels
• Biomass (Wood)- Wood vs. natural gas cost avoidance since
started in 2001 $10,679,000. Yearly average - $1,525,600
• Geo-thermal – Installed system for Academic Center on
Beaver Island compared to heating with fuel oil
• FY to date cost avoidance $33,570
• Solar – Installed 64 evacuated tub solar panels on the EHS
building roof. Lowers Carbon Footprint by 45 metric tons.
Estimated annual savings: $25,000

14. Started 3.2 MW GasTurbine/Generator
• Lowers Carbon Footprint by 11% or 9,500
metric tons by self-generating 55-60% of
total campus electric requirements
• November 2010 – October 2012
estimated savings - $800,000
Currently negotiating electric contract
extension for 2013 and 2014 with estimated
cost avoidance of $290,000 vs. the 2012
rate