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

The percentage of total electricity use from coal.:
76

The percentage of total electricity use from wind.:
8.50

The percentage of total electricity use from biomass.:
0

The percentage of total electricity use from natural gas.:
0

The percentage of total electricity use from solar PV.:
0

The percentage of total electricity use from geothermal.:
0

The percentage of total electricity use from nuclear.:
0

The percentage of total electricity use from hydro.:
0

The percentage of total electricity use from other.:
15.50

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.

The percentage of total energy used for heating buildings from coal.:
94.60

The percentage of total energy used for heating buildings from biomass.:
0

The percentage of total energy used for heating buildings from electricity.:
0

The percentage of total energy used for heating buildings from natural gas.:
5.40

The percentage of total energy used for heating buildings from geothermal.:
0

The percentage of total energy used for heating buildings from fuel oil.:
0

The percentage of total energy used for heating buildings from other.:
0

Provide a brief description.:
The Veterinary Medicine campus is heated by natural gas, while the rest of campus is heated using coal.

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

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.