| Overall Rating | Silver - expired |
|---|---|
| Overall Score | 52.28 |
| Liaison | Stephen Ellis |
| Submission Date | Nov. 25, 2014 |
| Executive Letter | Download |
Boston University
OP-8: Building Energy Consumption
| Status | Score | Responsible Party |
|---|---|---|
|
2.59 / 6.00 |
Dennis
Carlberg Associate Vice President for Sustainability BU Sustainability |
"---"
indicates that no data was submitted for this field
None
Total building energy consumption, all sources (transportation fuels excluded):
| Performance Year | Baseline Year | |
| Total building energy consumption | 1,764,384 MMBtu | 1,842,324 MMBtu |
None
Purchased electricity and steam:
| Performance Year | Baseline Year | |
| Grid-purchased electricity | 679,326 MMBtu | 684,529 MMBtu |
| District steam/hot water | 168,475 MMBtu | 178,326 MMBtu |
None
Gross floor area of building space::
| Performance Year | Baseline Year | |
| Gross floor area | 14,327,826 Gross square feet | 13,426,870 Gross square feet |
None
Floor area of energy intensive space, performance year::
| Floor Area | |
| Laboratory space | 4,985,985 Square feet |
| Healthcare space | 39,141 Square feet |
| Other energy intensive space |
None
Degree days, performance year (base 65 °F)::
| Degree days (see help icon above) | |
| Heating degree days | 5,857 |
| Cooling degree days | 871 |
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Source-site ratios::
| Source-Site Ratio (see help icon above) | |
| Grid-purchased electricity | 3.14 |
| District steam/hot water | 1.20 |
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Start and end dates of the performance year and baseline year (or 3-year periods)::
| Start Date | End Date | |
| Performance Year | July 1, 2013 | June 30, 2014 |
| Baseline Year | July 1, 2005 | June 30, 2006 |
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A brief description of when and why the building energy consumption baseline was adopted:
---
None
A brief description of any building temperature standards employed by the institution:
Five buildings employ unoccupied modes in their Building Management Systems. BU has Schneider and Siemens BAS systems. 25% of all building space (square fotage) is equipped with timers for temperature control.
None
A brief description of any light emitting diode (LED) lighting employed by the institution:
LED lighting is increasingly used on both the Charles River and Medical campuses. The following buildings currently include LED lighting:
Fitness and Recreation Center
575 Commonwealth Avenue
George Sherman Union food court
590 Commonwealth Avenue auditorium
W Building on the Medical campus
None
A brief description of any occupancy and/or vacancy sensors employed by the institution:
Lighting sensors (both daylight and occupancy) are installed in over 20 locations across the Charles River and Medical Campuses.
None
A brief description of any passive solar heating employed by the institution:
N/A
None
A brief description of any ground-source heat pumps employed by the institution:
One building uses a geothermal heat pump system on the Charles River Campus
None
A brief description of any cogeneration technologies employed by the institution:
N/A
None
A brief description of any building recommissioning or retrofit program employed by the institution:
Buildings with existing building energy management systems (EMS) undergo independent 3rd-party engineering studies to determine and quantify savings related to introducing setbacks and controls, occupancy schedules, VFDs, efficient lighting, etc. that are connected to the EMS to be monitored and controlled for optimization. A firm will be hired to perform the necessary changes for retrocommissioning.
None
A brief description of any energy metering and management systems employed by the institution:
33 buildings on the Charles River Campus and 7 buildings on the Medical Campus have building management systems. These include Andover/Schneider and Siemens systems. 25% of building space is monitored with a centralized energy management system.
All of buildings on campus are metered for electricity, oil, gas, and/or steam, however some buildings are on shared systems and are not independently metered.
None
A brief description of the institution's program to replace energy-consuming appliances, equipment and systems with high efficiency alternatives:
Rentable "Mini-Fridges" are all energy star appliances. Consistent with apartment renovations across campus, any existing equipment is replaced to be energy efficient including fridges and lighting. New programs in development include A-19 LED bulb swap programs, and efficient printers across campus.
None
A brief description of any energy-efficient landscape design initiatives employed by the institution:
In new construction, green roofs, water harvesting for irrigation of surrounding landscapes, and planting of new trees and vegetation are considered and adopted as appropriate.
None
A brief description of any vending machine sensors, lightless machines, or LED-lit machines employed by the institution:
Sargent College has an occupancy sensor that turns its vending machine on when approached.
Vending misers were installed on vending machines across campus and used for over a year. Problems with the debit card readers (the primary point of transaction) caused the program to be terminated, replaced with EnergyStar units across campus.
None
A brief description of other energy conservation and efficiency initiatives employed by the institution:
A multi-year initiative to reduce campus energy use by 10% is underway.
None
The website URL where information about the institution’s energy conservation and efficiency initiatives is available:
Data source(s) and notes about the submission:
Boston University's approach and progress on energy efficiency can be found on the following websites:
http://www.bu.edu/sustainability/what-were-doing/energy/
http://www.bu.edu/facilities/what-we-do/energy/
Calculating energy, water, and greenhouse gas metrics involves an ongoing process of validation. This process resulted in a refinement of our data from 2005 through the present.
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.