Overall Rating	Gold
Overall Score	65.20
Liaison	Denice Koljonen
Submission Date	Feb. 17, 2022

STARS v2.2

Boston College
OP-5: Building Energy Efficiency

Status	Score	Responsible Party
	3.66 / 6.00	Bruce Dixon Sustainability and Energy Specialist Facilities

"---" indicates that no data was submitted for this field

Part 1. Site energy use per unit of floor area

Performance year energy consumption

Electricity use, performance year (report kilowatt-hours):

	kWh	MMBtu
Imported electricity	78,844,721 Kilowatt-hours	269,018.19 MMBtu
Electricity from on-site, non-combustion facilities/devices (e.g., renewable energy systems)	0 Kilowatt-hours	0 MMBtu

Stationary fuels and thermal energy, performance year (report MMBtu):

	MMBtu
Stationary fuels used on-site to generate electricity and/or thermal energy	453,942 MMBtu
Imported steam, hot water, and/or chilled water	0 MMBtu

Total site energy consumption, performance year:

722,960.19 MMBtu

Performance year building space

Gross floor area of building space, performance year:

7,502,814 Gross square feet

Floor area of energy intensive space, performance year:

	Floor area
Laboratory space	442,146 Square feet
Healthcare space	10,039 Square feet
Other energy intensive space	35,368 Square feet

EUI-adjusted floor area, performance year:

8,442,552 Gross square feet

Performance year heating and cooling degree days

Degree days, performance year:

	Degree days
Heating degree days	5,962 Degree-Days (°F)
Cooling degree days	1,030 Degree-Days (°F)

Total degree days, performance year:

6,992 Degree-Days (°F)

Performance period

Start and end dates of the performance year (or 3-year period):

	Start date	End date
Performance period	June 1, 2020	May 31, 2021

Metric used in scoring for Part 1

Total site energy consumption per unit of EUI-adjusted floor area per degree day, performance year:

12.25 Btu / GSF / Degree-Day (°F)

Part 2. Reduction in source energy use per unit of floor area

Baseline year energy consumption

STARS 2.2 requires electricity data in kilowatt-hours (kWh). If a baseline has already been established in a previous version of STARS and the institution wishes to continue using it, the electricity data must be re-entered in kWh. To convert existing electricity figures from MMBtu to kWh, simply multiply by 293.07107 MMBtu/kWh.

Electricity use, baseline year (report kWh):

	kWh	MMBtu
Imported electricity	80,144,073 Kilowatt-hours	273,451.58 MMBtu
Electricity from on-site, non-combustion facilities/devices (e.g., renewable energy systems)	0 Kilowatt-hours	0 MMBtu

Stationary fuels and thermal energy, baseline year (report MMBtu):

	MMBtu
Stationary fuels used on-site to generate electricity and/or thermal energy	456,567 MMBtu
Imported steam, hot water, and/or chilled water	0 MMBtu

Total site energy consumption, baseline year:

730,018.58 MMBtu

Baseline year building space

Gross floor area of building space, baseline year:

6,392,681 Gross square feet

Baseline period

Start and end dates of the baseline year (or 3-year period):

	Start date	End date
Baseline period	June 1, 2014	May 31, 2015

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

N/A

Source energy

Source-site ratio for imported electricity:

Total energy consumption per unit of floor area:

	Site energy	Source energy
Performance year	0.10 MMBtu per square foot	0.17 MMBtu per square foot
Baseline year	0.11 MMBtu per square foot	0.20 MMBtu per square foot

Metric used in scoring for Part 2

Percentage reduction in total source energy consumption per unit of floor area from baseline:

15.86

Optional Fields

Documentation to support the performance year energy consumption figures reported above:

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A brief description of the institution's initiatives to shift individual attitudes and practices in regard to energy efficiency:

Both the Sustainability Office and the Energy Management Group market the campus community throughout the year. For example, we run several campaigns throughout the year to raise awareness and make special efforts to save energy on student breaks. In addition, we started a summer-focused campaign to solicit campus community help in shaving the peak electric demand. Both offices are also involved with students and faculty through various research projects.

Institution demand response:https://www.bc.edu/content/bc-web/offices/facilities/services/energy-engineering.html#tab-electricity_grid_alert

A brief description of energy use standards and controls employed by the institution:

Boston College use multiple building automation systems to assist with the control of temperature throughout campus: Johnson Controls Metasys, Schneider Electric Structureware and Continuum. Our design standards ensure that occupancy sensors are installed in new construction and renovations. Schedules are continuously improved to turn down temperature controls while spaces are unoccupied.

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

Boston College commits substantial annual funding to retrofit existing buildings with the most energy-efficient lighting strategies. In addition, all new construction employs LED standards throughout. Lighting retrofits in all new offices have occupancy sensors to conserve energy when the office is unoccupied.

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

N/A

A brief description of co-generation employed by the institution:

Cogeneration systems have been employed to support a residential housing building domestic hot water system and the Recreation Center to support heating the pool.

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

Equipment and appliances have been replaced through Energy Star programs throughout the campus. Several efforts have been launched to recommission campus buildings, especially energy-intensive buildings. Additionally, we employ a continuous commissioning program in 2 of our campus buildings. Boston College is on its fifth cycle of cooperation with our electrical supplier. This agreement is codified in a memorandum of understanding that commits the institution to save over 2 million kWh per year.

Website URL where information about the institution’s energy conservation and efficiency program is available:

https://www.bc.edu/content/bc-web/offices/facilities/services/energy-engineering.html

Additional documentation to support the submission:

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Data source(s) and notes about the submission:

Gross Floor Area of Building Space for performance year and baseline year does not include Outlying Properties. Outlying properties in the performance year consisted of less than 4% of the Gross Floor Area of Building Space.

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.