prpa efficiency works et training oct25-2018 · microsoft powerpoint -...
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www.esource.com
Emerging Technologies
Efficiency Works
Bryan Jungers
Lead Analyst, E Source
Thursday, October 25, 2018
Saving Energy and Reducing Demand
in Commercial & Industrial Facilities
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Outline
A new C&I lighting market
Cost-effective lighting controls
Energy-use disaggregation
Out-of-the-box building controls
Advanced retrofit HVAC controls
Key Takeaways
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A new C&I lighting market: indoor ag
© E Source; data from A Budding Opportunity: Energy Efficiency Best Practices for Cannabis Grow Operations (PDF), Neil Kolwey, SWEEP (2017)
Cooling, ventilation, and dehumidification
51%
Lighting38%
Space heating5%
Water pumping3%
Carbon dioxide injection
2% Drying / curing1%
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Indoor ag is large and growing
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Significant lighting savings potential
Courtesy: Stober et al., U.S. DOE
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Baseline lighting tech for indoor ag
Source: Leora C. Tadetsky, Lighting Research Center
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Independent testing shows real savings
Source: Dave Bisbee, SMUD
▪ Lighting energy savings was an average of 34%
▪ Plug loads were 7% lower
▪ Total HVAC system usage was slightly lower (2%)
▪ Overall energy consumption was 18 to 25% lower
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Selecting quality lighting products
▪ Not all LEDs are created equal▪ Early adopters got burned
▪ Until very recently, no hort. LED qualified products list
▪ Off-the-shelf LEDs not suitable for indoor ag▪ “Lumens are for humans”▪ “PAR are for plants”
▪ Even in SMUD study, one LED product performed better▪ The other showed 35 – 40%
reduction in yield
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Are there non-LED alternatives?
Plasma Lighting Ceramic Metal Halide
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Most buildings have no lighting controls
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Saving energy with lighting controls
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Adding controls to LEDs cost-effectively
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Don’t trust, just verify (energy use)
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Delivering better energy information
Sources: Verdigris
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Building controls aren’t obviousWe live in an age where technicians are more likely to understand computers than mechanical systems, but:
Controls software skill sets are still widely lacking
Software illiteracy is still common
Major reliance on defaults and automated processes
No QM process No commissioning
© E Source; from Deepinder Singh, 75F; Harnessing the Power of IoT& Cloud Computing (PDF)
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Traditional versus modernized building controls
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Out-of-the-Box Building Controls
© E Source; from Deepinder Singh, 75F; Harnessing the Power of IoT& Cloud Computing (PDF)
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How 75F meets market needs
Employee comfort was improvedPressure balance was improvedEnergy was saved
© E Source; from Deepinder Singh, 75F; Harnessing the Power of IoT& Cloud Computing (PDF)
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Crowd-source building controls?
Source: Comfy
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Socially driven optimization
20% cooling energy savings50% heating energy savings
60% reduction in hot/cold calls80% of occupants more comfortable
Source: GSA
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Clean reporting for building operators
Source: Comfy
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HVAC: the next big thing after lighting?
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Packaged rooftop units: work hard, not smart
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Adding “smarts” to existing RTU equipment
© E Source (Rooftop Unit Retrofit Controls Mature)
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The DOE confirms that savings potential is huge
Source: Best Available Technologies in the US Buildings Sector (PDF)
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Successful deployment requires cooperation
Source: Rooftop Retrofits Put HVAC Contractors in Control
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Different solutions for different needs
Courtesy: Joe Schmutzler, Transformative Wave Technologies
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Evidence suggests scaling of ARCs has begun
Source: 2018 Campaign Award Winners
The top seven organizations replaced or retrofitted over 10,000 RTUs combined
They also installed a total of 5,800 automated fault detection and diagnostics (AFDD) systems
Realized energy savings were over 50 million kilowatt-hours and $5 million annually
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Human-assisted FDD: ComfortGuard
Source: Emerson Electric Co.
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Thank you! Questions?
Bryan Jungers
Senior Analyst, Customer Energy Solutions, E Source
520-336-2812 [email protected]
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