Overall Rating	Reporter
Overall Score
Liaison	Robert St.Onge
Submission Date	Dec. 11, 2023

STARS v2.2

Okanagan College
OP-5: Building Energy Efficiency

Status	Score	Responsible Party
	Reporter	Rob St. Onge Manager, Buildings and Sustainability Services Dept., Facilities and Business Services

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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	8,543,943 Kilowatt-hours	29,151.93 MMBtu
Electricity from on-site, non-combustion facilities/devices (e.g., renewable energy systems)	525,448 Kilowatt-hours	1,792.83 MMBtu

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

	MMBtu
Stationary fuels used on-site to generate electricity and/or thermal energy	22,542 MMBtu
Imported steam, hot water, and/or chilled water	0 MMBtu

Total site energy consumption, performance year:

53,486.76 MMBtu

Performance year building space

Gross floor area of building space, performance year:

80,572.07 Gross square meters

Floor area of energy intensive space, performance year:

	Floor area
Laboratory space	13,805.07 Square meters
Healthcare space	0 Square meters
Other energy intensive space	1,368.56 Square meters

EUI-adjusted floor area, performance year:

109,550.72 Gross square meters

Performance year heating and cooling degree days

Degree days, performance year:

	Degree days
Heating degree days	3,919 Degree-Days (°C)
Cooling degree days	269 Degree-Days (°C)

Total degree days, performance year:

4,188 Degree-Days (°C)

Performance period

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

	Start date	End date
Performance period	April 1, 2022	March 31, 2023

Metric used in scoring for Part 1

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

35.98 Btu / GSM / Degree-Day (°C)

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	7,455,813 Kilowatt-hours	25,439.23 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	32,545 MMBtu
Imported steam, hot water, and/or chilled water	0 MMBtu

Total site energy consumption, baseline year:

57,984.23 MMBtu

Baseline year building space

Gross floor area of building space, baseline year:

60,812 Gross square meters

Baseline period

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

	Start date	End date
Baseline period	April 1, 2008	March 31, 2009

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

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Source energy

Source-site ratio for imported electricity:

Total energy consumption per unit of floor area:

	Site energy	Source energy
Performance year	0.66 MMBtu per square meter	1.03 MMBtu per square meter
Baseline year	0.95 MMBtu per square meter	1.37 MMBtu per square meter

Metric used in scoring for Part 2

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

25.23

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:

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

Okanagan College uses a building automation system that serves all our campuses. The scheduler module is used to control occupied, vacant and holiday set points for each HVAC system. Start stop optimization programs is utilized as well.

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

LED lights are standard for all new construction projects. Strategic retrofitting of existing buildings is on-going.

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

Our largest campus (Kelowna) benefits from proximity to the municipal waste water treatment plant. Through a partnership with the city, the college used treated effluent as the source side of a central heat pump plant which provides a low cost, low carbon heating source for most of the buildings on this campus.

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

n/a

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

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

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Additional documentation to support the submission:

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Data source(s) and notes about 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 or simply email your inquiry to stars@aashe.org.