Overall Rating Bronze - expired
Overall Score 42.52
Liaison Kristina Hope
Submission Date May 14, 2014
Executive Letter Download

STARS v2.0

Knox College
OP-8: Building Energy Consumption

Status Score Responsible Party
Complete 3.81 / 6.00 Deb Steinberg
Director of Campus Sustainability Initiatives
Office of Sustainability
"---" indicates that no data was submitted for this field

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Total building energy consumption, all sources (transportation fuels excluded):
Performance Year Baseline Year
Total building energy consumption 134,146 MMBtu 159,466 MMBtu

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Purchased electricity and steam:
Performance Year Baseline Year
Grid-purchased electricity 23,634 MMBtu 28,922 MMBtu
District steam/hot water 0 MMBtu 0 MMBtu

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Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 1,100,000 Gross square feet 813,960 Gross square feet

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Floor area of energy intensive space, performance year::
Floor Area
Laboratory space 84,153 Square feet
Healthcare space 0 Square feet
Other energy intensive space

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Degree days, performance year (base 65 °F)::
Degree days (see help icon above)
Heating degree days 6,300
Cooling degree days 602

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Source-site ratios::
Source-Site Ratio (see help icon above)
Grid-purchased electricity 3.32
District steam/hot water 1

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Start and end dates of the performance year and baseline year (or 3-year periods)::
Start Date End Date
Performance Year July 1, 2012 June 30, 2013
Baseline Year July 1, 2005 June 30, 2006

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A brief description of when and why the building energy consumption baseline was adopted:
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A brief description of any building temperature standards employed by the institution:
Timers controlling HVAC are in place, and controlled through the BAC system.

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A brief description of any light emitting diode (LED) lighting employed by the institution:
Knox College Facilities have been installing and retrofitting campus lighting with more energy-efficient LED lighting. Some of the major areas have included the outdoor campus lighting and the lighting in the T. Fleming Fieldhouse.

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A brief description of any occupancy and/or vacancy sensors employed by the institution:
Sensors are present in some rooms.

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A brief description of any passive solar heating employed by the institution:
none

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A brief description of any ground-source heat pumps employed by the institution:
none

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A brief description of any cogeneration technologies employed by the institution:
none

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A brief description of any building recommissioning or retrofit program employed by the institution:
In 2006, as part of a 2.5 million dollar energy upgrade, air handling units were recommissioned. This included duct repair and rebalancing units to original building specifications.

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A brief description of any energy metering and management systems employed by the institution:
The energy tracking system that the College has is an Excel spread sheet that the Director of Facilities maintains. All utility consumption data is updated monthly. The tracking can be done by building and/or meter for monthly, yearly and multiple years for gas, water and electricity.

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A brief description of the institution's program to replace energy-consuming appliances, equipment and systems with high efficiency alternatives:
As Knox College replaces appliances, we replace them only with Energy Star appliances. In December of 2013, the college replaced all laundry machines with top-loading energy star washing machines.

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A brief description of any energy-efficient landscape design initiatives employed by the institution:
We have implemented an in-house policy that for every tree removed, we replace it with two trees.

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A brief description of any vending machine sensors, lightless machines, or LED-lit machines employed by the institution:
None at the time. All vending machines are owned by a third party

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A brief description of other energy conservation and efficiency initiatives employed by the institution:
Within the central plant, Knox Facilities monitors and manages control of steam and chilled water, including daily water testing, bi-weekly third party management of chemical treatment, and a service contract to maintain peak performance of the chillers and boilers.

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The website URL where information about the institution’s energy conservation and efficiency initiatives is available:
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Data source(s) and notes about the submission:
Lab space recorded does not include computer labs. Source-site ratio based on "Source Energy and Emission Factors for Energy Use in Buildings" M. Deru and P. Torcellini (http://www.nrel.gov/docs/fy07osti/38617.pdf)

The information presented here is self-reported. While AASHE staff review portions of all STARS reports and institutions are welcome to seek additional forms of review, the data in STARS reports are not verified by AASHE. If you believe any of this information is erroneous or inconsistent with credit criteria, please review the process for inquiring about the information reported by an institution or simply email your inquiry to stars@aashe.org.