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GETTING HELP FOR LARGE ENERGY EFFICIENCY IMPROVEMENTS AT A SMALL COLLEGE
Anne Duncan, Environmental Sustainability CoordinatorTerry Rowe, Sales Team Leader
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Wartburg College FY12 1805 student enrollment $49 Million Endowment 12:1 Student Faculty Ratio 32 buildings 85% campus residents Municipal Utility, Waverly Light and Power
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2012 Efficiency Improvements $2.4 Million Contract
3486 Lighting Fixtures Building Automation & Boiler Replacement 1152 Water Fixtures
$270,000 Annual Guaranteed Savings 18% decrease in GHG Emissions
(2025 goal of 20%!!)
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The Process Connected by cold call
Investigate, check references Investment Grade Audit - $150,000 Contract for 14 ECM’s in 19 buildings On-site supervision Sub-contractors for execution.
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The Money $$$$ Borrowed from Reserve Fund Utility Rebates Savings Guarantee of 15 years
(10 year payback, 15 year guarantee no brainer) Payback Reserve Fund After Payback invest in more energy efforts Development of Sustainability Program
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This project was partially funded by a State Energy Grant from the Iowa Office of Energy Independence, which is now part of the Iowa
Office of Economic Development, with funds from the American Recovery and Reinvestment Act of 2009.
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Why Schneider Electric? Vast international resources
On-site management Consistent and Ongoing Reporting an contact Easy to work with, helped us understand
Field Experience Grant support Local contactors selected when able Guaranteed Savings
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Terry RoweSchneider Electric Sales Team Leader
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The BeginningWhat
Facility improvement program performed by an ESCO
How Reallocate funds that typically pay or utilities back into infrastructure
Where Typically in publically owned facilities: K-12, Federal, State, City
Why Guaranteed Savings: Schneider Electric will write a check if
Guaranteed savings are not realized
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ESPC ProcessDesign Engineering
Looking at the buildings as systems• Different than “piece meal”
approach (deferred maintenance)
• Provides better function and performance
• Savings leveraging: Improving a building as a system allows for quick-return items to help fund needed lower-return upgrades
Relationship and Accountability Long-term partner for performance
• ESCO designs project around long-term performance goals
• Energy savings and function of project are tracked long-term
• Expert energy managers as ongoing resource
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Environmental Responsibility
Third largest user on Waverly Light and Power Grid
Reduce carbon footprint
Commitment to sustainability
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HOW?
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Determine Energy Conservation Measures
What is the science behind the measures
What is the business case
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What Did We Do?
Lighting Retrofits
Building Automation Systems
Water Conservation Measures
Boiler Replacement in Luther Hall
Dedicated Heat Recovery Chiller in Wellness Center
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THERMAL ENERGY ABSORBED FOR RECOVERY
SOLAR ENERGY
BIO ENERGY
ELECTRIC ENERGY HOT WATER
HOW IS HEAT RECOVERY A RENEWABLE FORM OF
ENERGY?
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Fiscal Responsibility
Determine the payback
What is the Net Present Value
What is the Internal Rate of Return
How is it to be funded
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Funding
Used energy savings as a cash flow
Grant from the State of Iowa State Energy Program-Office of Energy Independence ($666,666)
Rebates from Waverly Light & Power
Other internal sources
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Results Reduced Carbon Footprint
Reduced burden on electric grid
Job creation
Verified energy savings
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Environmental Impact Report
Scope 1 Scope 2 Scope 3Total Energy (MMBTU) 76,595 48,268 -
Total Emission (Tons CO2e) 4,471 9,448 -Total Savings (Tons CO2e) 821 1,014 -
*Emissions factors are derived from EPA eGrids database and represent the National average.
Wartburg College
Energy Usage Summary
18%
Post Project Savings394
Cars Removed
237Equivalent Houses
73,387Trees PlantedeTons GHG
1,835
Reduced CarbonFootprint
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Other Impacts• Reduced Burden on
Grid (1.7 MW)• Job Creation:
30 individuals directly worked on this project
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• 1.5M kWh/year
• 1,700 kW/year
• 133,000 therm/year
• 4.2M gal/year
• $270,000/year
Energy Consumption Savings
02,0004,0006,0008,00010,00012,00014,00016,00018,000
J F M A M J J A S O N D
Ene
rgy
Use
(MM
BTU
)
Electric Fuel District Energy Savings
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Terry RoweSchneider Electric Sales Team Leader
Anne DuncanWartburg College
Environmental Sustainability [email protected]