Overall Rating Silver - expired
Overall Score 47.35
Liaison Mike Evans
Submission Date Aug. 1, 2011
Executive Letter Download

STARS v1.0

Williams College
OP-8: Clean and Renewable Energy

Status Score Responsible Party
Complete 0.07 / 7.00 Stephanie Boyd
Former Director
Zilkha Center for Environmental Initiatives
"---" indicates that no data was submitted for this field

Option 1: Total clean and renewable electricity generated on site during the performance year and for which the institution retains or has retired the associated environmental attributes :
95.50 MMBtu

Option 2: Non-electric renewable energy generated:
0 MMBtu

Option 3: Total clean and renewable electricity generated by off-site projects that the institution catalyzed and for which the institution retains or has retired the associated environmental attributes :
0 MMBtu

Option 4: Total RECs and other similar renewable energy products that the institution purchased during the performance year that are Green-e certified or meet the Green-e standard's technical requirements and are third party verified:
682 MMBtu

Option 5: Total electricity generated with co-generation technology using non-renewable fuel sources :
13,692 MMBtu

Total energy consumed during the performance year :
394,586 MMBtu

A brief description of on-site renewable electricity generating devices :

Williams has two solar photovoltaic systems (a 7.2 kw and a 26.88 kw) which are metered and together produced 27,978 kilowatt hours in 2010.


A brief description of on-site renewable non-electric energy devices:

Williams has three solar hot water systems, but unfortunately does not have metering systems on them, so the energy generated from them is not included in this total.


A brief description of off-site, institution-catalyzed, renewable electricity generating devices:
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A brief description of RECs or other similar renewable energy products purchased during the previous year:

Williams purchased green-e certified RECs from Community Energy.


A brief description of co-generation technologies deployed:

In 2002, Williams replaced one of the three boilers at the heating plant with a boiler capable of supporting cogeneration, and installed a steam turbine/generator at the same time.


The website URL where information about the institution's renewable energy sources is available:
Data source(s) and notes about the submission:
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