b3 building benchmarking in minnesota
DESCRIPTION
This presentation provides an introduction to building benchmarking with B3 in MInnesota. Topics include: Background; Why benchmark; Account creation; Data collection and entry; Data analysis. Presentation by Sarah Steinman, Minnesota GreenCorps Energy Conservation Member with the Clean Energy Resource Teams (CERTs), who is available to assist local units of government with B3.TRANSCRIPT
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B3 BenchmarkingB3 Benchmarking
www.CleanEnergyResourceTeams.org
Sarah Steinman
Minnesota GreenCorps Energy Conservation Member
Available to assist local units of government with B3
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B3 BenchmarkingB3 Benchmarking
www.CleanEnergyResourceTeams.org
• Background • Why benchmark?• Account creation• Data collection and entry• Data analysis
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B3 Benchmarking: BackgroundB3 Benchmarking: Background
www.CleanEnergyResourceTeams.org
B3 stands for:
Buildings
Benchmarking and
Beyond
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www.CleanEnergyResourceTeams.org
• The State of Minnesota B3 Energy Benchmarking program has been developed by the State of Minnesota Department of Administration and Department of Commerce to help State and local governments improve the energy performance of their buildings by tracking and managing facility energy consumption. mn.b3benchmarking.com
• Made in collaboration with the private design firm The Weidt Group
B3 Benchmarking: BackgroundB3 Benchmarking: Background
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www.CleanEnergyResourceTeams.org
B3 Benchmarking: BackgroundB3 Benchmarking: Background
Current Statistics
• Number of Organizations 1,339• Number of Sites 4,879• Number of Buildings 6,435• Number of Meters 10,242• Total Square Feet 283,463,826
State2989
Public School
s1321
County561
City1564
Public Buildings in B3
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www.CleanEnergyResourceTeams.org
Why Benchmark?Why Benchmark?
You Can’t Manage What You Don’t Measure
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www.CleanEnergyResourceTeams.org
Benchmarking your buildings can help answer some of the questions you may have about your energy use.
• Which of my buildings are under-performing?
• How can I compare yearly heating costs taking in account unusually high winter temperatures?
• Is our City Hall energy efficient compared to others in Minnesota?
• Are our buildings performing up to their expectations based on square footage and space usage?
Why Benchmark?Why Benchmark?
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www.CleanEnergyResourceTeams.org
Why Benchmark?Why Benchmark?
Benchmarking is useful when your city, county, school district, or other entity…
…would like to find the “lowest hanging fruit” efficiency projects.
…would like to demonstrate to others the value of your energy efficiency projects.
…would like to participate in various financing projects.
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www.CleanEnergyResourceTeams.org
Account CreationAccount Creation
The following slides briefly go over how to create a B3 account and how to utilize the features.
ACCOUNTCREATION
DATACOLLECTION
DATA ENTRY
ANALYSIS
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www.CleanEnergyResourceTeams.org
Account CreationAccount Creation
mn.b3benchmarking.com
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www.CleanEnergyResourceTeams.org
Account Creation: Building EditorAccount Creation: Building Editor
Also, Specify the Space Usage Type
When creating an account, it is crucial to enter the Square Footage of the building.
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www.CleanEnergyResourceTeams.org
Account Creation: Building EditorAccount Creation: Building Editor
There are many space usage types from which to choose.
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Data Collection
www.CleanEnergyResourceTeams.org
ACCOUNTCREATION
DATACOLLECTION
DATA ENTRY
ANALYSIS
Data CollectionData Collection
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www.CleanEnergyResourceTeams.org
Data CollectionData Collection
• Historic energy data will need to be collected from your utility.• 3 Years is preferable
• Local government entities can get this historic data from their utility provider.
• Data needs to include:• Start and end date of meter reading• Consumption in therms, kWh, gallons of fuel, etc• TOTAL billing amount in $• Electric demand charges if available
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Data Collection
www.CleanEnergyResourceTeams.org
ACCOUNTCREATION
DATACOLLECTION
DATA ENTRY
ANALYSIS
Data CollectionData Collection
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www.CleanEnergyResourceTeams.org
Data EntryData Entry
Once historic data is in the system, monthly data entry is quick and easy. Often, the staff person that pays the utility bills is able to spend a few minutes each month entering the new data into B3
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www.CleanEnergyResourceTeams.org
Data CollectionData Collection
Example of where to find the relevant data on your bills for B3
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www.CleanEnergyResourceTeams.org
ACCOUNTCREATION
DATACOLLECTION
DATA ENTRY
ANALYSIS
AnalysisAnalysis
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www.CleanEnergyResourceTeams.org
Analysis: Summary TabYour Building’s “Dashboard”
Analysis: Summary TabYour Building’s “Dashboard”
These measures have their own tab at the top that offer more detailed information
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www.CleanEnergyResourceTeams.org
Analysis: Summary TabAnalysis: Summary Tab
kBtu/SF/YearThis measure is a very important number to know. It is like an MPG for your car, but for your building.
This building is using 79.73 kBtu/SF/Year
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Analysis: Benchmark Tab
www.CleanEnergyResourceTeams.org
In B3, “benchmarking” is an engineering model that predicts how much energy a site would use if it were built to today’s energy codes. The B3 ratio is a measurement of a site’s actual consumptions to its predicted benchmark.
Note that LESS than the benchmark is GOOD
89.47 (prediction)
.89 (ratio)
79.73 (actual)
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Analysis: Benchmark Tab
www.CleanEnergyResourceTeams.org
Baseline is used to compare a site to itself using a defined time period. The baseline is weather normalized so that changes in weather do not affect the comparison.
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Analysis: Reports Tab
www.CleanEnergyResourceTeams.org
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Analysis: Reports Tab
www.CleanEnergyResourceTeams.org
These are all the different reporting options.
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Analysis: Reports Tab
www.CleanEnergyResourceTeams.org
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Analysis: Reports Tab
www.CleanEnergyResourceTeams.org