Alamo Colleges:
Energy Efficiency Initiatives
JOHN W. STRYBOS, P.E.
ASSOCIATE VICE CHANCELLOR OF FACILITIES
Southwest Regional Collaborative Symposium
March 1-2, 2012
The Achieving the Dream Leader College designation recognizes an institution’s impact in the effort to improve student success and eliminate achievement gaps nationwide.
Accomplishments (Major Completed
Projects)
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2012 – District wide – SAWS toilet Fixture replacement
2011 – SPC-SWC - SECO Solar Panels
2011 – District Wide – CPS Energy Audits
2011 – District Wide – SECO ECRM Assessment
2009 – District Wide – 4 day work week
2008 – NVC Recycled water
2004 - Recycling
2004 – PAC – 4 Day work week
2003 – SAC, SPC and PAC - SECO ECRM Projects
Current Projects
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NLC – Recycled Water
SAC – First Responders Academy Water line
SAC – First Responders Academy On Site Package
Treatment Plant
District Wide – SECO projects
District Wide – Sustainability Policy and Procedures
Summer Energy Savings Initiative
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Turn off boilers
when outside air
temperature is
above 90 °F
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Four day work
week schedules.
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CC® Measures
Summer 2011
total cost savings:
$199,194
2011 Total
Savings
Electricity
(kWh)
Demand (kW)
Gas
(CCF)
Water
(gallons)
1,503,054
1,969
58,854
4,572,231
New Building Optimization:
Performing Arts (Convocation)
at Palo Alto College
Weather normalized trend data:
~35% demand reduction
~ 25 % reduction in consumption
1600
Daily Consumption (kWh)
120
Daily Demand (kW))
100
80
60
40
Before CC®
After CC®
20
0
1400
1200
1000
800
600
400
Before CC®
After CC®
200
0
75
80
85
90
75
Mean Outside Air Temperature (°F)
CC® measures implemented: September 20, 2011
80
85
Mean Outside Air Temperature (°F)
90
Implemented CC® Measures
Reset schedules based on outside air temperature have
been implemented this year at every campus.
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Supply air static pressure reset schedule
based on outside air temperature
70
1.2
Static Pressure (in H2O)
Supply Air Temperature (°F)
Supply air temperature reset schedule
based on outside air temperature
65
60
55
50
1
0.8
0.6
0.4
0.2
0
20
30 40 50 60 70 80 90 100
Outside Air Temperature (°F)
20
30 40 50 60 70 80 90 100
Outside Air Temperature (°F)
Temperature and dead-bands:
(Energy Conservation Code 503.2.4.2)
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Standard setpoints district wide to maintain a dead-band
(minimum cooling and heating) of at least 5 °F
Before
Currently being implemented
High Air Flow
Cooling
Heating
Dead Band
Low Air Flow
65 66 67 68 69 70 71 72 73 74 75 76 77
HSP
CSP
Heating Cooling
Band
Band
Space
Temperature
65
66
67
68
69
70
HSP
Heating
Band
71
72
73
74
75
CSP
Cooling
Band
76
77
Space
Temperature
Next Steps
⋅ Possible LEED Certified Projects
– Manzanillo Hall at Northwest Vista College (In progress)
– Mountain Laurel
– Huisache Hall
⋅ District Wide Solar Panel installations where
possible
⋅ PAC, SAC, SPC Rainwater harvesting
Recognitions and Presentations
⋅ 2010 ACUPCC award
⋅ 2007 TEES Mega Energy Saver Award
⋅ 2004 (?) CPS Energy Saver Award
Presentations:
⋅ International Conference for Enhanced Building
Operations (ICEBO)
⋅ Hot and Humid
Cumulative Savings
Thanks.
The Achieving the Dream Leader College designation recognizes an institution’s impact in the effort to improve student success and eliminate achievement gaps nationwide.
ESL-AC Return on Investment