you can achieve 100% energy saving when you turn off the lights
TRANSCRIPT
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STAFFORD COUNTY PUBLIC SCHOOLS ENERGY MANAGEMENT PROGRAM
2010 UPDATEBob Randall CEM, ,BEP, CBCP
Energy Manager
You can achieve 100% Energy Saving WHEN YOU TURN OFF THE LIGHTS
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2010 Energy Reduction Efforts Energy Performance Contract Update New & Future Energy Reductions Efforts
Overview
You can achieve 100% Energy Saving WHEN YOU TURN OFF THE LIGHTS
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4th Consecutive Year – School Division Reduced Utility Costs….
Energy Reduction Efforts 2010
While the average cost of electricity decreased 14% from $.091 to an average cost of $.079 per KWH for all usage
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How Did We Do It?
Energy Reduction Efforts 2010
-Energy Performance Contracts
-Temperature Control Reductions
-Retro Commissioning
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Dollars Saved Compared 2005 to 2010 2005 248,639,864 = 72,872.176 KWH *$.0792= $ 5,771,476 2006 231,703,193 = 67,908.321 KWH *$.0792= $ 5,378,339 2007 207,403,347 = 60,786,444 KWH *$.0792= $ 4,814,127 2008 196,067,563 = 57,464,115 KWH *$.0792= $ 4,551,158 2009 172,592,046 = 50,583,835 KWH *$.0792= $ 4,006,240 2010 185,097,785 = 54,249,057 KWH *$.0792= $ 4,296,525
WITH NEW SCHOOLS 2007 246,594,352 = 72,272,670 KWH *$.0792= $ 5,723,995 2008 235,724,780 = 69,086,981 KWH *$.0792= $ 5,471,688 2009 217,896,755 = 63,861,885 KWH *$.0792= $ 5,057,861 2010 223,409,383 = 65,477,544 KWH * $.0792= $
5,185,821 From Dominion 44,135,823 KWH ÷ $3,497,460=$.0792/KWH
Energy Reduction Efforts 2010
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Energy Reduction Trend
2005
2006
2007
2008
2009
2010
$1.00
$1.20
$1.40
$1.60
$1.80
$2.00
$2.20
2.04
1.91
1.79
1.64
1.47
1.29
Energy Savings Per Sq. Foot
2005 2006 2007 2008 2009 2010
Calendar Year
Dollars Per Sq. Foot
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Environmental Impact
125,165 TONS of Carbon Dioxide (CO2) NOT EMITTED INTO THE ATMOSPHERE.
THIS IS THE RIGHT THING TO DO!
Energy Reduction Efforts 2010
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History◦ Recognized opportunity to reduce energy consumption by
modernization of facility building systems through Energy Conservation Measures (ECMs)LightingOccupancy SensorsMotors & Fan DrivesWater Conservation
◦ Utilized State Energy Performance Contract Program to
evaluate, interview and select an energy performance contractor
◦ Contracts are funded through annual energy savings
Energy Performance Contract
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History◦ Selected NORESCO for Phase I - 2006
◦ 18 Schools◦ 7 Energy Conservation Measures◦ Completed April 2007
◦ Selected NORESCO for Phase II - January 2010
◦ 8 Schools◦ 4 Energy Conservation Measures◦ Estimated Completion October 2011
Energy Performance Contract
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Phase II – Update
◦ In June 2010 NORESCO initiated Detailed Energy Audit
◦ Survey of 8 school division facilities: Hampton Oaks ES , Park Ridge ES, Winding Creek ES, Drew
MS, AG Wright MS, Brook Point HS, Mountain View HS, and the Professional Development Center
◦ Four (4) energy conservation measures (ECM’s) ◦ Audit Completion – November 24, 2010◦ Approval process Completed - January 14, 2011◦ Estimate Start Work – June 9, 2011◦ Estimate Completion of Work- October 30, 2011
Energy Performance Contract
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Energy Conservation Measures Selected
◦ ECM #1 - Efficient Lighting ◦ ECM #2 - Occupancy Sensors in classrooms,
hallways, offices, gyms)◦ ECM #3 - Water Conservation (low flush)◦ ECM #4 - Variable Fan Drives & Efficient Motors
for HVAC Equipment Estimated Annual Energy Cost Savings =
$199,500.00 per year Guaranteed
You can achieve 100% Energy Saving WHEN YOU TURN OFF THE LIGHTS
Energy Performance Contract
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Implement School Division Energy Management Plan- Approved June 2010 - Road Map to Comprehensive Energy Management
- Goals
Utilize Performance Contracting Efforts where applicableGrow Energy Steering Committee participants ideas
Develop a program to evaluate facility exterior envelopes Work with Operation Staff to fine tune facilities even more
- Components
EducationWaste Reduction & Operational GuidelinesRetro-CommissioningMonitoring & ReportingSustainable Practices for Staff and Students
New & Future Energy Reduction Efforts
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Retro-Commissioning Efforts- Retro-Commission at least one school per year- Completed BPHS in FY11
- DMS and PRES in FY12
Continue Holiday, Spring & Summer Break Temperature Control Measures
Complete Energy Performance Contract (Phase II)
Plan Energy Performance Contract (Phase III) Identified in FY11-16 CIP
Work with Rodney Thompson Staff to Construct a Wind Generator
New & Future Energy Reduction Efforts
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Explore Use of Energy Education- Private Consulting Firm- Long Term Effort to Identify Unnecessary and/or
Excessive Utility Consumption- Guarantees 20%+ Annual Savings- Cost Paid for from Savings
Classroom Education
- In coordination with Instruction Department Enhance Energy Education Opportunities
New & Future Energy Reduction Efforts
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Questions?
You can achieve 100% Energy Saving WHEN YOU TURN OFF THE LIGHTS
New & Future Energy Reduction Efforts