Overall Rating Silver
Overall Score 46.12
Liaison Deborah Steinberg
Submission Date March 1, 2018
Executive Letter Download

STARS v2.1

Knox College
OP-5: Building Energy Consumption

Status Score Responsible Party
Complete 3.28 / 6.00 Deborah Steinberg
Director of Campus Sustainability Initiatives
Office of Sustainability
"---" indicates that no data was submitted for this field

Figures needed to determine total building energy consumption:
Performance Year Baseline Year
Grid-purchased electricity 29713.40 MMBtu 29807.50 MMBtu
Electricity from on-site renewables 0 MMBtu 0 MMBtu
District steam/hot water (sourced from offsite) 0 MMBtu 0 MMBtu
Energy from all other sources (e.g., natural gas, fuel oil, propane/LPG, district chilled water, coal/coke, biomass) 123536 MMBtu 106747 MMBtu
Total 153249.40 MMBtu 136554.50 MMBtu

Start and end dates of the performance year and baseline year (or 3-year periods):
Start Date End Date
Performance Year July 1, 2016 June 30, 2017
Baseline Year July 1, 2011 June 30, 2012

A brief description of when and why the building energy consumption baseline was adopted (e.g. in sustainability plans and policies or in the context of other reporting obligations):
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Gross floor area of building space:
Performance Year Baseline Year
Gross floor area of building space 1204699 Gross Square Feet 950000 Gross Square Feet

Source-site ratio for grid-purchased electricity:
3.14

Total building energy consumption per unit of floor area:
Performance Year Baseline Year
Site energy 0.13 MMBtu / GSF 0.14 MMBtu / GSF
Source energy 0.18 MMBtu / GSF 0.21 MMBtu / GSF

Percentage reduction in total building energy consumption (source energy) per unit of floor area from baseline:
14.65

Degree days, performance year (base 65 °F / 18 °C):
Degree days (see help icon above)
Heating degree days 5218 Degree-Days (°F)
Cooling degree days 1044 Degree-Days (°F)

Floor area of energy intensive space, performance year:
Floor Area
Laboratory space 38338 Square Feet
Healthcare space 0 Square Feet
Other energy intensive space

EUI-adjusted floor area, performance year:
1345315 Gross Square Feet

Building energy consumption (site energy) per unit of EUI-adjusted floor area per degree day, performance year:
18.19 Btu / GSF / Degree-Day (°F)

Documentation (e.g. spreadsheet or utility records) to support the performance year energy consumption figures reported above:
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A brief description of the institution's initiatives to shift individual attitudes and practices in regard to energy efficiency (e.g. outreach and education efforts):
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A brief description of energy use standards and controls employed by the institution (e.g. building temperature standards, occupancy and vacancy sensors):

Timers controlling HVAC are in place, and controlled through the Building Air Control system.


A brief description of Light Emitting Diode (LED) lighting and other energy-efficient lighting strategies 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. The newly renovated Alumni Hall and newly built Whitcomb Art Center both have LED lighting.


A brief description of passive solar heating, geothermal systems, and related strategies employed by the institution:
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A brief description of co-generation employed by the institution, e.g. combined heat and power (CHP):
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A brief description of the institution's initiatives to replace energy-consuming appliances, equipment and systems with high efficiency alternatives (e.g. building re-commissioning or retrofit programs):

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.


The website URL where information about the programs or initiatives is available:
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Additional documentation to support the submission:
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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 and complete the Data Inquiry Form.