Overall Rating Expired
Overall Score Expired
Liaison Jennifer deHart
Submission Date Oct. 30, 2014
Executive Letter Download

STARS v2.0

Unity College
OP-8: Building Energy Consumption

Status Score Responsible Party
Complete Expired Steve Kahl
Director of Sustainability
Sustainability
"---" indicates that no data was submitted for this field

Total building energy consumption, all sources (transportation fuels excluded):
Performance Year Baseline Year
Total building energy consumption 13552 MMBtu 12228 MMBtu

Purchased electricity and steam:
Performance Year Baseline Year
Grid-purchased electricity 3578 MMBtu 3498 MMBtu
District steam/hot water 0 MMBtu 0 MMBtu

Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 248000 Gross Square Feet 179000 Gross Square Feet

Floor area of energy intensive space, performance year::
Floor Area
Laboratory space 5000 Square Feet
Healthcare space 2500 Square Feet
Other energy intensive space

Degree days, performance year (base 65 °F)::
Degree days (see help icon above)
Heating degree days 9651
Cooling degree days 131

Source-site ratios::
Source-Site Ratio (see help icon above)
Grid-purchased electricity 3.14
District steam/hot water 1

Start and end dates of the performance year and baseline year (or 3-year periods)::
Start Date End Date
Performance Year July 1, 2013 June 30, 2014
Baseline Year July 1, 2010 June 30, 2011

A brief description of when and why the building energy consumption baseline was adopted:

The baseline period is the performance period from our previous STARS report


A brief description of any building temperature standards employed by the institution:
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A brief description of any light emitting diode (LED) lighting employed by the institution:

We have a policy that all replacement lights and all new construction lights will be LEDs. This conversion is in progress.


A brief description of any occupancy and/or vacancy sensors employed by the institution:

Maplewood residence hall and some outdoor lights operate on motion sensors to reduce electricity use in those spaces. New outdoor LED lighting does not have motion sensors nor daytime shut-offs.


A brief description of any passive solar heating employed by the institution:

Terrahaus, our passive solar student residence, and Unity House, our net zero President's home, are the campus demonstrations of passive solar heat.


A brief description of any ground-source heat pumps employed by the institution:

None. Ground source heat pumps are rarely not cost-effective when other options such as air source heat pumps exist.


A brief description of any cogeneration technologies employed by the institution:
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A brief description of any building recommissioning or retrofit program employed by the institution:

A proposal is pending for an $65,000 retrofit to the Unity College Center for Performing Arts which if funded, will be the first significant retrofit to be accomplished at the college.


A brief description of any energy metering and management systems employed by the institution:
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A brief description of the institution's program to replace energy-consuming appliances, equipment and systems with high efficiency alternatives:
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A brief description of any energy-efficient landscape design initiatives employed by the institution:
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A brief description of any vending machine sensors, lightless machines, or LED-lit machines employed by the institution:
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A brief description of other energy conservation and efficiency initiatives employed by the institution:
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The website URL where information about the institution’s energy conservation and efficiency initiatives is available:
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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.