Energy Management Turned - Energy Productivity
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Transcript of Energy Management Turned - Energy Productivity
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APPA presentation by:
Ezra Nielsen
Daniel Hansen
Energy Management Turned On
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Learning Outcomes!
The Rational of Energy Management
Successful Implementation
Struggles Along the Way
The Pay Off
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About SLCC!
#’s: students, employees, and budget
Square Footage
Type of Systems
Facilities EGMT
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A New Paradigm!
Energy Productivity: The total value of the energy
deployed
Energy efficiency is just one of the dimensions
- Negative connotations
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Increasing Energy
ProductivityDecreases energy costs
-Directly affects the bottom line
Frees up Capacity of Existing Infrastructure
- Avoided cost of new equipment
Alleviates Maintenance Requirements
- Moving from reactive to proactive
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Increasing Energy
Productivity! Improves Occupant Comfort and Experience
- Highly tuned building & systems
Decreases Exposure to Risk
- Utility budgets and market volatility
Positive public relations
- Recognition, partnerships, politically relevant
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Conservation:
Jevon’s Paradox & Rebound effect:
Watt It’s Not!
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The Takeaway!
We will forever be finding more and more uses for
energy
What is one of the biggest emerging uses of
electricity today?
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Energy Costs!When Energy Consumption is Reduced and…
Energy prices stay flat:
Energy prices go up:
Energy prices go down:
0
0
0
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15% Increase
$29.99 in
2012
$34.52 in
2012
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54% Increase!
$8.16 in
2012
$12.62 in
2040
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Electricity Historically
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Natural Gas Historically
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Utility budgets
Need to be Insulated from…
Price Increases
Weather Extremes
Budget Cuts
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Energy Investments!
Investments not expenses
Cuts costs of business bottom line
Opportunity Cost- greater than market returns initially - external benefits of energy productivity
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What to do With Returns?
Once project is paid off
- Residual energy savings captured
Revolving budget
- Used for reinvestment; yielding additional savings
Building momentum
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Energy Information System
The software,
data acquisition hardware,
and communication systems
used to store, analyze, and display building energy
data.
Large upfront investment.
An EIS enables savings, rather than directly
.
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Where to Begin Sub
Metering?Gather information
Is it going to be vacated in the next 5 years?
Is it under a certain size?
Is it a leased building?
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Sub Metering
Meter everything else!
Significant capital, time, and resources needed
Various meter technologies for different applications
How granular does the data need to be?
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Prioritization
Two types: by Building or by Utility
Complete energy info for high priority buildings.
Or some energy info for all campus buildings.
Based on the following factors:
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Building Prioritization
Building size
Energy intensity
Auxiliaries
Metering effort coinciding with a major remodel.
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Which Utilities to Meter?
Electricity
Heating Water
Natural Gas
Steam
Chilled Water
Culinary Water
Domestic Hot Water
Fuel Oil
Misc…
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Example
Goal is to capture the complete picture of the
facilities energy and water usage.
Some critical thinking and knowledge of the facility
and its systems are required
Example
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Data Management Plan
Automate data access and analyzation
Dashboards
Demo
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Analytics
The discovery, interpretation, and communication of
meaningful patterns in data.
Answers the how and the why of energy usage.
Trends BAS system and sub metering data points
- Easily manipulated database
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SkySpark
Processes all equipment operations and energy
usage data
- Automatically & retroactively
Compares it to specific rules programmed to
identify problematic equipment operations.
Equipment that violates a rule is “sparked”
- Instance is recorded for later viewing
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Half of the Work
Computer processes data and finds problems
Human capital freed up to do the actual work
Ultimately creates more work
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Overview of Energy Management
System
METE
R
BAS
Analytics
ARCHIV
E
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Hierarchy
SkySpark
ADX
NAE NAE
FEC VMA
Meter Server
BTU Water
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IT and Networking
Internet
FireWall
Fiber VM BAS
Ethernet NAE
N2 DeviceBacNetDevice
Ethernet NAE
Fiber VM Metering
Acquisuite
ModBus BacNet
Fiber VM Analytics
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Helpful Suggestions
Map out your network
Discuss with IT what you desire
Dedicated network if possible
Keep on same Subnet if possible
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Helpful Suggestions
Minimize switches and length of network cabling
Dedicated IP address to each device
Set up for VPN and remote logins
Keep secure and review security policies
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What it Helps Us Do
Analysis methods:- Baselining & Benchmarking- M&V- Carbon footprint - Load profiling- Energy anomaly detection.
Finding and eliminating energy waste with low cost
measures- Scheduling- Commissioning- Peak shaving- Occupant or operator practices.
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Benefits
Evaluate Real time Data on a daily basis
Maintaining energy performance improvements and
efficiency gains over time
Identify opportunities for optimization
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Purveyors of Change
One caveat: Maintaining the nature of the
organization
Information and Technology
Approach and Methodology
Education, training, and outreach
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Hurdles
Design -Researched other institutions get an idea of what is wanted, who can provide it, etc. - Outside Expertise
Procurement - Getting exactly what is wanted, not low bid alternates
IT support - Understanding concerns and cooperating
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Hurdles
Institutional commitment
Stakeholder Engagement
Dedicated personnel
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Hurdles
Budget Constraints
Personnel training
Data Loss, accuracy, and information overload
Cost calculations and billing
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Struggles & Limitations
Energy drift
- Must always be combatted to maintain high
performance
Law of diminishing returns
- Equilibrium point i.e. supply and demand
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Struggles
Reputation
Mentality
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Data Driven Decision Making
Shifting big energy consuming activities to off peak
Building specific load profiles to identify norms of operation
Provide visibility to understand what is driving energy spend
Prioritize investments/capital upgrades
M&V at the building/system level
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Employee Engagement
Participation and awareness of the bottom line
Accurate Forecasting/Procurement
Environmentally sustainable
CSR
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Benefits
Capacity freed up
Enhanced competitiveness/resiliency
Billing auxiliaries and customers
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Benefits
Maintenance moves from reactive to proactive
No more surprise energy bills
Utility budgets insulated
Building momentum with institutional investments in
energy
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END
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