Overall Rating Silver - expired
Overall Score 63.40
Liaison Adam Sizemore
Submission Date March 2, 2016
Executive Letter Download

STARS v2.0

Miami University
OP-8: Building Energy Consumption

Status Score Responsible Party
Complete 2.75 / 6.00 Doug Hammerle
Director of Utility Systems
"---" 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 890,548 MMBtu 943,497 MMBtu

Purchased electricity and steam:
Performance Year Baseline Year
Grid-purchased electricity 310,663 MMBtu 282,319 MMBtu
District steam/hot water 0 MMBtu 0 MMBtu

Gross floor area of building space::
Performance Year Baseline Year
Gross floor area 7,428,226 Gross Square Feet 5,787,453 Gross Square Feet

Floor area of energy intensive space, performance year::
Floor Area
Laboratory space 335,811 Square Feet
Healthcare space 28,270 Square Feet
Other energy intensive space

Degree days, performance year (base 65 °F)::
Degree days (see help icon above)
Heating degree days 5,699
Cooling degree days 915

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, 2014 June 30, 2015
Baseline Year July 1, 2004 June 30, 2005

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

The state of Ohio used 2004 as the baseline year in legislation (HB251) that required higher education to achieve a 20% reduction in energy intensity per square foot when compared to 2014.

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

For academic and administrative buildings temperatures in the winter are 70 degrees F, and in the summer are 74 degrees F.
In our residence halls students are allowed to set their heating set point less than or equal to 74 degrees F, and to set their cooling set point greater than or equal to 70 degrees F.

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

All newly renovated spaces are required to use LED lighting since January 2015. The university has standardized on an LED outdoor lightpole fixture.

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

A combination of infrared and motion (occupancy and vacancy) sensors are used to control both lighting and VAV boxes in all mid-sized to large classroom spaces. Temperature and air flows are set back when spaces are unoccupied.
Newly renovated dorm rooms are equipped with door switch motion sensors that automatically set back room temperatures when unoccupied, along with turning lights off.

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:

The university built three new residence halls and one new dining hall in FY2014 that were the first phase of a geothermal plant fed from 4 - 250 ton heat pump chillers. 315 wells were drilled 600 feet deep to provide heating and cooling along with preheating domestic hot water.

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

We haven't done combined heat and power (CHP), but we have employed simultaneous heating and cooling (SHC) with our new Geothermal Plant and North Chiller Plant. We have 1000 tons of heat pump chillers at the Geothermal Plant, and an additional 700 tons of heat pump chillers at the North Chiller Plant. In addition, we have heat recovery chillers in Kreger Hall, Shideler Hall, Hughes Hall and Armstrong Student Center.

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

The university has an in-house retro-commissioning team that has in 2 years gone through 3.5 million square feet of building space.

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

Miami University has a centralized Building Automation System throughout the entire campus. It is a Siemens Building Technologies Apogee system. We have DDC panels in all but 3 small buildings of the 150 buildings on campus. All these buildings are controlled and monitored by a dedicated building automation staff. All HVAC equipment is on schedules, and setback temperatures are in place during unoccupied periods. We meter at the building level for electric, heating and cooling loads.

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

All fans and pumps up to 3 horsepower are specified to be ECM motors (direct drive). We incorporate high efficiency condensing boilers for domestic hot water heat.

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

We incorporate vegetated roofs on two new buildings on campus, the Geothermal Plant and Western Dining.

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

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

We utilize demand control ventilation and run-around heat recovery loops on laboratory exhaust tied to 100% outside air units. We also utilize energy recovery heat wheels on restroom exhaust in all new and renovated residence halls. We installed blowdown heat recovery at our steam plant.

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.