Overall Rating Gold
Overall Score 70.14
Liaison Aaron Durnbaugh
Submission Date Feb. 27, 2017
Executive Letter Download

STARS v2.1

Loyola University Chicago
OP-5: Building Energy Consumption

Status Score Responsible Party
Complete 4.33 / 6.00 Aaron Durnbaugh
Director of Sustainability
Office of Sustainability
"---" indicates that no data was submitted for this field

Figures needed to determine total building energy consumption:
Performance Year Baseline Year
Grid-purchased electricity 194599.28 MMBtu 196375 MMBtu
Electricity from on-site renewables 0 MMBtu 0 MMBtu
District steam/hot water (sourced from offsite) 0 MMBtu 0 MMBtu
Energy from all other sources (e.g., natural gas, fuel oil, propane/LPG, district chilled water, coal/coke, biomass) 185050.15 MMBtu 320170.50 MMBtu
Total 379649.43 MMBtu 516545.50 MMBtu

Start and end dates of the performance year and baseline year (or 3-year periods):
Start Date End Date
Performance Year July 1, 2015 June 30, 2016
Baseline Year July 1, 2007 June 30, 2008

A brief description of when and why the building energy consumption baseline was adopted (e.g. in sustainability plans and policies or in the context of other reporting obligations):

This is the standard baseline date for all sustainability reporting at Loyola.


Gross floor area of building space:
Performance Year Baseline Year
Gross floor area of building space 4294970 Gross Square Feet 3647900 Gross Square Feet

Source-site ratio for grid-purchased electricity:
3.14

Total building energy consumption per unit of floor area:
Performance Year Baseline Year
Site energy 0.09 MMBtu / GSF 0.14 MMBtu / GSF
Source energy 0.19 MMBtu / GSF 0.26 MMBtu / GSF

Percentage reduction in total building energy consumption (source energy) per unit of floor area from baseline:
27.82

Degree days, performance year (base 65 °F / 18 °C):
Degree days (see help icon above)
Heating degree days 5488 Degree-Days (°F)
Cooling degree days 823 Degree-Days (°F)

Floor area of energy intensive space, performance year:
Floor Area
Laboratory space 153128 Square Feet
Healthcare space 1500 Square Feet
Other energy intensive space

EUI-adjusted floor area, performance year:
4605726 Gross Square Feet

Building energy consumption (site energy) per unit of EUI-adjusted floor area per degree day, performance year:
13.06 Btu / GSF / Degree-Day (°F)

Documentation (e.g. spreadsheet or utility records) to support the performance year energy consumption figures reported above:
A brief description of the institution's initiatives to shift individual attitudes and practices in regard to energy efficiency (e.g. outreach and education efforts):

Loyola has undertaken a number of energy related initiatives on all campuses. Specifically an annual program titled 'EnergyWeek' takes place each fall to engage the community on energy impacts and opportunities.


A brief description of energy use standards and controls employed by the institution (e.g. building temperature standards, occupancy and vacancy sensors):

Loyola's Information Commons uses a Building Automation System (BAS) that divides the seasons into Winter and Summer and monitors indoor and outdoor conditions to react accordingly. In Winter (whenever the the temperature falls below 55 degrees Fahrenheit), space is maintained at approximately 71 degrees. In Summer, the air handlers turn off and windows open when the temperature is between 55 and 68 degrees. When the temperature is above 74 degrees, the air handlers start circulating air.


A brief description of Light Emitting Diode (LED) lighting and other energy-efficient lighting strategies employed by the institution:

Loyola is upgrading many of its buildings with energy-efficient technologies, such as energy management systems, heat recovery systems, LED lighting, and lighting sensors. Recently, Loyola completed a major conversion from HID to LED for outdoor lighting fixtures across campus.


A brief description of passive solar heating, geothermal systems, and related strategies employed by the institution:

Loyola has the largest geothermal installation in Northeastern Illinois at the Institute of Environmental Sustainability.


A brief description of co-generation employed by the institution, e.g. combined heat and power (CHP):

N/A


A brief description of the institution's initiatives to replace energy-consuming appliances, equipment and systems with high efficiency alternatives (e.g. building re-commissioning or retrofit programs):

We have many retrofit programs underway and a recommissioning of the Quinlan Life Science Building.


The website URL where information about the programs or initiatives is available:
Additional documentation to support the submission:
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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.