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LEED and the Canadian adaptation of ENERGY STAR Portfolio Manager
Mark Hutchinson
April 30, 2013
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House keeping
• If you have trouble with the audio, please enter a question using the Q&A function
• There will be a question period at the end of the presentation
• Questions may be entered using the Q&A function
• A PDF of the slides will be sent to all participants
• A recording will be made available
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Goal
• Raise awareness • Provide basic understanding • Identify sources of information
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ENERGY STAR Portfolio Manager
• Energy efficiency benchmarking system
• Used by over 300,000 buildings representing over 30 billion square feet
• Used internationally
• Referenced in LEED Canada EB:O&M
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ENERGY STAR Portfolio Manager
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Launch of Canadian tool
July 10th 2013
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Timeline
• June 24th at 9pm: web services (ABS) shut down
• June 26th: general system shut down
• July 10th: system re-opened
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Data carry-over
All data will be copied to a Canadian server Sharing rights will be copied
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Changes to the US program
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General improvements
• Improved usability with more intuitive navigation
• Increased system speed and performance • Modernized web services • Optimized database architecture
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New features
• “Add a property” and “add a meter” wizards to simplify data entry
• Easier-to-generate reports, including greater flexibility to download characteristics and metrics for buildings and/or portfolios into MS Excel
• More options for “sharing” properties with other users
• Added checks, alerts, and tips to help users ensure data accuracy
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Learn more
• Webinar slides – most recent will be available April 22
• Additional materials throughout May/June www.energystar.gov/PMupgrade
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Canadian adaptation
• Agreement signed October 2011
• Led by the Office of Energy Efficiency
• Updates provided in NRCan’s OEE newsletter, “Heads Up: Building Energy Efficiency”
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Canadian adaptation
• Methodology used to develop the Canadian 1-100 scales is identical to US
• Both express performance on a percentile basis compared to peer group
• Canadian scales based on Canadian buildings dataset (Survey of Commercial and Institutional Energy Use – 2009)
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Canadian features
Metric units Bilingual interface Weather data based on postal code Canadian GHG emission factors Canadian source-site energy factors
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Source-site factors
• Factors that recognize the true impact from the use of different energy sources by accounting for:
Losses in storage, transport and delivery
Losses in production, transmission and delivery
• National factors provide equity
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What will it mean
Only offices and K-12 schools will, initially, be able to earn a score Retail and hospitals planned for Winter
2014 Medians available for all building types
Scores will change
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ENERGY STAR Portfolio Manager
Will the switch be optional? No
Will I be able to access my old score? No
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Variables affecting score
Performance of Canadian buildings
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Variables affecting score: parameters and coefficients U.S. (kBtu/ft2) Canada (GJ/m2)
Natural log of floor space (ft2) Natural log of floor space (m2) and floor space (m2)
Number of computers per 1000 ft2 Number of computers per 100 m2 (approximately 1000 ft2)
Natural log of weekly operating hours Weekly operating hours
Natural log of number of workers per 1000 ft2
Number of workers per 100 m2 (approximately 1000 ft2)
Heating degree days x %heated Heating degree days
Cooling degree days x %cooled Natural log of cooling degree days x %cooled
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Variables affecting score
Weather data
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Variables affecting score: source-site ratios
* As of July 10, 2013
Fuel type U.S.* Canada
Electricity (grid purchased) 3.14 2.05
Electricity (on-site solar or wind) 1.00 1.00
Natural gas 1.05 1.02
Fuel oil 1.01 1.01
Propane 1.01 1.03
District steam / district hot water (purchased – off-site)
1.20 1.20
District chilled water (purchased – off-site) 1.00 0.71
Wood / Coal / Coke 1.00 1.00
Other 1.00 1.00
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Impact on existing ratings
Average change for offices will be a slight decrease
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Impact on existing ratings
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Data centers
Data center energy use must be metered as of July
Estimates will no longer be permitted
In Canada, there will not be a model for data centers at launch
If not sub-metered, include all energy use and enter area as ‘other’ space type (which cannot exceed 10% of the building’s area)
If sub-metered, the data centre energy use and floor area can be removed
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Impact on EB:O&M projects
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Reminder
Portfolio Manager is subject to changes and accommodations will not normally be made for these changes
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Impact on EB:O&M projects
Changes to scores will affect eligibility and points that can be earned
CaGBC is evaluating the need and possible means of mitigating impacts
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Considerations
How much will buildings be impacted? How many buildings will be impacted? At what stage are the projects? In midst of Performance Period?
About to start Performance Period?
Investing with the goal of seeking certification?
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Preparing for the launch
Print Statement of Energy Performance for most recent data Must include 12 months of data
Last period must end no earlier than March 31, 2013
Contact CaGBC if you cannot meet this requirement
Print the Facility Summary page from your
browser (details to come)
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Future communications
LEED Canada EB:O&M web page
Direct email to the main contacts for EB:O&M projects
[email protected] / 1-866-941-1184 www.energystar.gov/PMupgrade www.oee.nrcan.gc.ca
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Questions