Overall Rating Gold - expired
Overall Score 75.93
Liaison Merry Rankin
Submission Date Aug. 30, 2013
Executive Letter Download

STARS v1.2

Iowa State University
SD-10: Energy Use by Type

Status Score Responsible Party
Complete N/A Jeffrey Witt
Director
Utility Services
"---" indicates that no data was submitted for this field

None
The percentage of total electricity use from coal.:
76

None
The percentage of total electricity use from wind.:
8.50

None
The percentage of total electricity use from biomass.:
0

None
The percentage of total electricity use from natural gas.:
0

None
The percentage of total electricity use from solar PV.:
0

None
The percentage of total electricity use from geothermal.:
0

None
The percentage of total electricity use from nuclear.:
0

None
The percentage of total electricity use from hydro.:
0

None
The percentage of total electricity use from other.:
15.50

None
Provide a brief description.:
Electricity from coal includes ISU-generated power and power purchased from the City of Ames. Other sources of electricity include refuse-derived fuel also purchased from the City.

None
The percentage of total energy used for heating buildings from coal.:
94.60

None
The percentage of total energy used for heating buildings from biomass.:
0

None
The percentage of total energy used for heating buildings from electricity.:
0

None
The percentage of total energy used for heating buildings from natural gas.:
5.40

None
The percentage of total energy used for heating buildings from geothermal.:
0

None
The percentage of total energy used for heating buildings from fuel oil.:
0

None
The percentage of total energy used for heating buildings from other.:
0

None
Provide a brief description.:
The Veterinary Medicine campus is heated by natural gas, while the rest of campus is heated using coal.

None
If cogeneration, please explain.:
Iowa State University uses cogeneration to provide heating and cooling to the main campus. Over 98% of the steam used to heat the main campus and over 77% of the steam used to produce chilled water is used to produce electricity first through cogeneration
+ Date Revised: June 26, 2014

Data source(s) and notes about the submission:
Includes data for 2011-2012.

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.