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8/6/2019 AIA|LA Building Enclosure Council 06.16.11 Presentation
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American Institute of Architects
Building Enclosure Council
June 16, 2011
BiPV SOLUTIONS
June 16, 2011
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INTRODUCTION
Nick Bagatelos
President, Focus Materials310.962.4087
nick@focus-materials.com
Background My Path To Net Zero Net Zero Manufacturing
Facility
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BiPV PRESENTATION OVERVIEW
Paradigm ShiftStrategy for Net ZeroMulti-Trade SolutionsBiPV Rooftops and Curtain Walls
Solar Panel Options BiPV Options Accessories
SpecificationsTodays Options
Performance of Rooftop vs Vertical Wall Cost of Vision vs. Spandrel
Government Incentives and Rebates
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THE PARADIGM SHIFT
PreviouslySHGC of the glass and sunscreen devicesU-Value of the glass and framing system
Now
Energy generationFuture
Incorporation of Smart Walls into buildinginformation system
Hot waterHeat exchange
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STRATEGY FOR A NET ZERO BUILDING
Significant Energy Reduction (60%)Early planningHigh efficiency HVAC systemsExtra insulationDay-lighting
Energy efficient lighting and controlsEnergy productionEnergy storage
*Achieving the final 40% is a challenge!
Requirements for Net ZeroMulti-trade solutions that incorporate new technologies.
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MULTI-TRADE SOLUTIONS
Growing Trend in Multi-Trade Solutions
BIPV Example:Photovoltaic engineering and designDC electrical engineering and designStructural curtain wall engineering and design
Manufacture Photovoltaic curtain walls and rain screensInstallation and final commissioning for the system
Future Possibilities:Hot water from the exterior envelopeCaptured warm air from exterior envelopeLED lights powered by PV on sunscreensDay-lighting technology included in vision areasBuilding controls with smart envelopes, operable windows,
sunshades and smart glass
DC lighting solutions to eliminate the use of inverters
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BiPV ROOFTOP AND VERTICAL ARRAYS
What are the components fora BiPV Solution?
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SOLAR PANEL OPTIONS
Utility Grade PanelsMono-crystallinePoly-crystallineThin filmSolyndra
Specialty Panels
Transparent photovoltaic panelsPythagoras
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MONO & POLY CRYSTALLINE PANELS
Mono-Crystalline Original Solar Technology Black with White Diamonds Multiple Standard sizes Highest Performing (14%) Silicone wafers mounted onto
1/8 glass with aluminum frames.
Poly-Crystalline Blue square pattern Multiple Standard sizes Second generation technology. Medium Performance (12%) Silicone wafers mounted onto
1/8 glass with aluminum frames.
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THIN FILM FLAT PANELS
Thin Film Panels Latest solar technology Black to dark bronze Standard size 24 x 48 Medium performing (10 - 12%)
Vacuum deposited ionic metal onto glass. (Similar to Viracon)
Abound Solar (US) Sulphurcell (DE)
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CRYSTALLINE vs THIN FILM PANELS
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SOLYNDRA PANELS
Solyndra Latest solar technology Black to dark bronze Standard size 43 x 90 Medium performing (10 - 12%) Vacuum deposited ionic metal onto glass tubes
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TRANSPARENT PANELS
BiPV Glass over Glass Black with clear spacing Flexible standard glass sizes Uses Mono-Crystalline technology Performance LOW Silicone wafers laminated to between two sheets of glass
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PYTHAGORAS
Possible future transparent photovoltaic glass Transparent Flexible size Next generation technology Extremely high performing (20%+) Embedded optical system Extremely expensive
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BiPV VERTICAL APPLICATIONS
Vertical ApplicationsCurtainwallRainscreensSunscreens
Retrofit Accessories
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BiPV WALL POSSIBILITIES
BiPV Rainscreen Produces energy Thin film technology Install onto existing buildings Alternative to composite panels UL tested Looks beautiful Cost effective
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BiPV WALL POSSIBILITIES
BiPV Sunscreens Produces energy Improve SHGC Multiple Technologies Install on existing buildings UL Tested Looks Beautiful Cost EffectiveThin Film Solyndra Crystalline
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BiPV WALL POSSIBILITIES
BiPV Curtain Wall Retrofit Produces energy Improves SHGC Thin film technology Install onto any existing curtain
wall system
UL tested Looks beautiful Very cost effective
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UTILITY GRADE ACCESSORIES
Wiring: Prefabricated Wiring Harnesses
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UTILITY GRADE ACCESSORIES
Inverter Technology: Adopt Micro-Inverters
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UTILITY GRADE ACCESSORIES
Efficiency: eIQ Energy vBoost 250
PHOTO
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SPECIFICATION FOR COMPLETE SYSTEM
Structural Calculations Electrical Calculations Photovoltaic Specification Inverter Specification Water/Air Testing U-Value Testing UL Approval Monitoring Final Commissioning Lifecycle Replacement
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BiPV ROOFTOP vs VERTICAL ARRAYS
Rooftop arrays with standard orientation compared to the
performance of four BiPV Systems over Fourteen months ofmonitored data shows vertical wall performance equals
72% of rooftop array.
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VISION vs SPANDREL GLASS
At this time, the cost effectiveapproach to a BiPV curtainwall is to use insulating glassin the vision conditions andphotovoltaic panels in allspandrel conditions. The cost of transparent
photovoltaic panels is 8-20times more than standardutility grade panels.
The performance values dropto 10% of the utility gradepanels.
Solution - use Utility Gradepanels in spandrel areas anduse BiPV sunscreens toimprove SHGC and increasesurface area of PV on the wall.
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GOVERNMENT INCENTIVES AND REBATES
Federal tax credit, 30% of BiPV in first yearMACRS accelerate depreciation, reduces full
depreciation time from 39 years to 5 years
Local utilities offer substantial incentivesEnergy production for 25 years100% payback in 24 months
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EXAMPLE: FIVE STORY OFFICE BUILDING
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QUESTIONS?
nick@focus-materials. com
310.962.4087
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