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The Sustainability Tracking, Assessment & Rating System™ (STARS) is a transparent, self-reporting framework for colleges and universities to measure their sustainability performance.

Overall Rating Silver
Overall Score 55.50
Liaison Alistair Hall
Submission Date July 22, 2014
Executive Letter Download

STARS v2.0

Vassar College
OP-8: Building Energy Consumption

Status Score Responsible Party
Complete 2.30 / 6.00 David Bishop
Manager of Mechanical Trades
Buildings & Grounds
"---" 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 266,608 MMBtu 318,525 MMBtu

Purchased electricity and steam:
Performance Year Baseline Year
Grid-purchased electricity 67,229.10 MMBtu 78,404.70 MMBtu
District steam/hot water 195,699.60 MMBtu 240,120 MMBtu

Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 2,400,000 Gross Square Feet 2,400,000 Gross Square Feet

Floor area of energy intensive space, performance year::
Floor Area
Laboratory space 27,309 Square Feet
Healthcare space 1,523 Square Feet
Other energy intensive space

Degree days, performance year (base 65 °F)::
Degree days (see help icon above)
Heating degree days 5,217
Cooling degree days 1,273

Source-site ratios::
Source-Site Ratio (see help icon above)
Grid-purchased electricity 3.14
District steam/hot water 1.20

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, 2004 June 30, 2005

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

It is also when the baseline year for the Greenhouse Gas Emissions was adopted.

A brief description of any building temperature standards employed by the institution:

Vassar’s Energy policy specifies temperature set-points during a 24 hour period based on expected occupancy and use of all buildings. Temperatures are also adjusted based on measurements of outdoor temperature, and are computer controlled for each building.

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

Vassar’s Buildings and Grounds shop, the Fergusson Quadrangle (an outdoor space), and the main dining hall are illuminated entirely by LED lighting (about 450 bulbs).

Plans are being finalized to install LED lighting in the Lehman Loeb Art Museum (250 bulbs), the Palmer art gallery (50 bulbs) and our campus outdoor lighting (500 bulbs).

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

Vassar uses lighting sensors in many classrooms across campus. Buildings that have lighting sensors throughout include the Library (combined infra-red and motion detectors), Walker Field House (based on occupancy), Kenyon Hall (motion detectors) and Davison dormitory (motion detectors).

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

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

A brief description of any cogeneration technologies employed by the institution:

1 megaW of cogeneration capacity on natural gas boiler

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

A brief description of any energy metering and management systems employed by the institution:

Vassar uses a centralized energy management system that allow it to track consumption and performance in all building on campus from a central location.

A brief description of the institution's program to replace energy-consuming appliances, equipment and systems with high efficiency alternatives:

A brief description of any energy-efficient landscape design initiatives employed by the institution:

A brief description of any vending machine sensors, lightless machines, or LED-lit machines employed by the institution:

Through the Resource Conservation Fund, a project that accepts initiatives that conserve resources and generate financial savings, we are looking to replace all vending machine sensors within the next year.

A brief description of other energy conservation and efficiency initiatives employed by the institution:

The website URL where information about the institution’s energy conservation and efficiency initiatives is available:

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.