vanderbilt energy: 15,000 20,000 25,000 30,000 35,000 40,000 45,000 18,708,842 kilowatt hours
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Vanderbilt Energy:Vanderbilt Energy:
15,000
20,000
25,000
30,000
35,000
40,000
45,000
18,708,842 Kilowatt Hours
18,708,842 Kilowatt Hours
T-8
T-12
Lighting Retrofit: “the low hanging fruit”Lighting Retrofit: “the low hanging fruit”
General Library:General Library:
Energy Conservation Efforts:
Lighting Retrofit & Control
Replacement of Rooftop Units
BAS Upgrade
Energy Conservation Efforts:
Lighting Retrofit & Control
Replacement of Rooftop Units
BAS Upgrade
KWH 7%
Tennis Center:Tennis Center:
Tennis Center:Tennis Center:
KWH 46%
fc
Student Recreation:Student Recreation:
300
350
400
450
500
550
BeforeAfter
Reduced lighting energy 71.8% from: 28,000 watts to 7,896 watts
Reduced lighting energy 71.8% from: 28,000 watts to 7,896 watts
Energy Conservation Efforts:
BAS-night setback implementation
BAS-variable air volume tuning
Energy Conservation Efforts:
BAS-night setback implementation
BAS-variable air volume tuning
Jacobs / FeatheringillJacobs / Featheringill
KWH 15%
Energy Conservation Efforts:
BAS-night setback implementation
BAS-variable air volume tuning
Energy Conservation Efforts:
BAS-night setback implementation
BAS-variable air volume tuning
KWH 26%
Buttrick Hall:Buttrick Hall:
Energy Conservation Efforts:
BAS-addition of DDC controls to the main HVAC infrastructure
Addition of variable speed drives to the AHU motors
Lighting Retrofit
Energy Conservation Efforts:
BAS-addition of DDC controls to the main HVAC infrastructure
Addition of variable speed drives to the AHU motors
Lighting Retrofit
OGSM:OGSM:
KWH 30%
Night SetbackNight Setback
On during the day
Off after hours
BHP2 =
3
BHP1
RPM2
RPM1
Variable Frequency DriveVariable Frequency Drive
40 HP reduced <10 HP40 HP reduced <10 HPOFF = 100% Energy SavingsOFF = 100% Energy Savings
60%
100%
High Efficiency Equipment
“Maglev” Bearings
High Efficiency Equipment
“Maglev” Bearings
Olin Hall……………… 4%
McGill………………… 19%
McTyeire…………….. 16%
Memorial Gym……… 10%
Kennedy /MRL……… 12%
Other Project Buildings:Other Project Buildings:
Energy Conservation Efforts:
Lighting Retrofit & Control
VFD Installations
Chiller Replacement
BAS Upgrade
Energy Conservation Efforts:
Lighting Retrofit & Control
VFD Installations
Chiller Replacement
BAS Upgrade
KWH
Vanderbilt Energy: February Comparison
17,500,000
18,000,000
18,500,000
19,000,000
19,500,000
20,000,000
20,500,000
21,000,000
21,500,000
22,000,000
22,500,000
Feb-07 Feb-08 Feb-09 Feb-10 Feb-11
KW
H
$0
$200,000
$400,000
$600,000
$800,000
$1,000,000
$1,200,000
$1,400,000
$1,600,000
$1,800,000
Co
st
,
Annual Energy Consumption Trend 15 Project Buildings Combined KWH
Annual Energy Consumption Trend 15 Project Buildings Combined KWH
34,828,261
32,691,607
30,378,677
29,403,742 29,376,866
26,000,00027,000,00028,000,00029,000,00030,000,00031,000,00032,000,00033,000,00034,000,00035,000,000
2007 2008 2009 2010 2011
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