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Flexible Thin Film Building Integrated PV Solar Solutions April 19, 2012

Flexible Thin Film Building Integrated PV Solar Solutionskanada.ahk.de/fileadmin/ahk_kanada/03.Events/2012_Events/2012_5th... · Uni‐Solar: Over 25 years of Innovation Prototype

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Flexible Thin Film Building Integrated PV Solar Solutions

April 19, 2012

Topics

• Company OverviewCompany Overview

• UNI-SOLAR Technology

• Applications Overview

• Rooftop PV Design Process

• Sample Rooftop Projects Gallery• Carport/Landfill/Other SolutionsCarport/Landfill/Other Solutions

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Uni‐Solar: Over 25 years of Innovation 

2 MW MachinePrototype  5 MW Machine Auburn Hills

LaSalle, OntarioCell Interconnect, Module 

Manufacturing and LaminatingMachine Facility (1&2) 60MW

Manufacturing and Laminating 30 MW

1981 1986 1991 1994 1996 1997 2003 2007 2011

NREL validation0.5 MW Machine Greenville  120 MW Building‐integrated(BIPV) product

Blue chip customers

RetailersRetailers ManufacturersManufacturers LogisticsLogistics

MiscellaneousMiscellaneous

Institutional CustomersInstitutional Customers

U.S. NAVY

4

TechnologyTechnology

Lightweight, flexible,  amorphous silicon technology

• Thin Film Amorphous Silicon = Flexible Substrates• ~0 7 lbs/ft2 = low roof stress0.7 lbs/ft = low roof stress• Complete active cell < 1 micron thick• Standard industry warranty

Transparent Thickness of complete

Blue Cell

Green CellRed Cell

p

ConductiveOxide Film

Multi-junction cell

< 1 μmETFE

EVABack Reflector

GRID WIRES

CELL

STAINLESS

Flexible Stainless

STAINLESSSTEEL

EVA

POLYMERSteel Substrate

POLYMER

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Superior Energy Production 

• Unique triple‐junction thin‐film cells made from amorphous silicon and germaniumfrom amorphous silicon and germanium

• Cell absorbs red, green and blue light through three different cell layers

• UNI‐SOLAR PV‐laminates produce energy when the sun is low, through cloud cover and when installed at non‐ideal angles

Incident light

Transparent Conducive Film

Incident light

Triple Junction Cells

Back Reflector

Multi Junction = MORE ENERGY

Stainless Steel Substrate

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Shadow Tolerant Technology

_+

Sources of soiling:

Traditional Glass Panels

Shadow /• Bird droppings• Water pooling• Concentrations of dust/dirt

Shadow / Debris causes module loss 

SILICON CRYSTAL PV MODULE CELL CONNECTIONS

+

Shade/Soil any one cell = Output loss of 30% (loss of one cell string)Area of shade/soiling required to cover one cell = 4” x 4” (16 sq in)

+_

BYPASS DIODES ACROSS EACH CELL

UNI‐SOLAR PV MODULE CELL CONNECTIONS

Shade/Soil any one cell = Output loss of <4.5% (22‐cell Laminate)Area of shade/soiling required to cover one cell 9” x 14” (126 sq in)Area of shade/soiling required to cover one cell = 9” x 14” (126 sq in)

Bypass diode at each cell = Shadow tolerant88

Applications OverviewApplications Overview

Key Product Features – 144 Watt PVL

Versatile for curved building surfaces

Adds minimal structural load  of 0.7 lbs/ft2    

25 yr limited product warranty

Low reflectance for sensitive areas (airports)PVL 144 Watt Laminate

• 144 Watt

• 17 lbs, 0.7 lbs/ft2

Bypass diodes across every cell provide tolerance

High energy production per installed Watt

• 216 x 15.5 x 0.2 inches• Quick connect cables

Certifications

Outperforms in hot conditions

Greater daily energy production (earlier, later)

Roof Types and Uni‐Solar Applications

Metal Roofs•Material: Steel• Specification: 16” or wider standing seam or corrugated profile•Applications: PowerBond, PowerPlate

Membrane Roofs •Materials: TPO, EPDM•Specification: 60 mil or thicker, manufacturer must be  approved by Uni‐Solar•Applications: PowerBond, PowerMembrane, PowerTilt

B ilt R fBuilt‐up Roofs•Material: SBS modified bitumen cap sheet• Specification: manufacturer must be  approved by Uni‐Solar, requires secondary adhesive for PowerBond

Ballasted Roofs•Material: typically river rock or pavers over EPDM•Application: PowerTilt

© 2010 Energy Conversion Devices, Inc.    COMPANY CONFIDENTIAL 11

Application: PowerTilt

Building Application Flexibility

( NOTE:With tWithout ballast )

PowerBondTM

Building Integrated & Building AppliedMembrane roofs, TPO & EPDM,

• Lightweight < 1 lb/ft2    

• New or existing roof (survey required)

• HVHZ* wind design (>120MPH)g ( )

• No penetrations

• Can maintain roof OEM warranty

*High velocity hurricane zone

PowerMembraneTM

• Utilizes an intermediate membrane

f l fHunter Panels, FL

• Extends roof life – second waterproof layer

• Lowers installation time

Fresh and Easy, CA

• Provides easy removal

PowerTiltTM

Building Applied Photovoltaic “BAPV” Higher energy yield @ 15◦ TiltHigher energy yield @ 15 Tilt • Light weight < 2lb per sq ft (non‐ballast)• All roof types (existing & new)• Easily removable for roof maintenancey• Non‐penetrating design, ballast design• Maintains roof warranty• Up to 120 mph wind design Volkswagen, Germany

10 kW AC MicroFiT

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New ! PowerPlate Application

• For Corrugated Metal Roofs

• Requires additional materials

• Key is 16 inch wide metal pan

• Weight still < 2.1 lbs/ft2

• Contact USO for tech support

Array Layout – Code Requirements

• Fire CodeDriven by CAL FIRE– Driven by CAL FIRE

– 150’ x 150’ max sub‐array dimensions

– 4’ / 8’ aisles for access and ventilation

Currently no exclusions for BIPV thin film laminates– Currently no exclusions for BIPV thin‐film laminates

• The argument can be made that access requirements should not apply but the decision is in the hands of the local fire marshal

– Complete guidelines:– Complete guidelines: http://osfm.fire.ca.gov/pdf/reports/solarphotovoltaicguideline.pdf

• OSHA– 6’ setback from roof edge if fall restraint is not provided

© 2010 Energy Conversion Devices, Inc.    COMPANY CONFIDENTIAL 18

Typical PV System Electrical Design

SOLAR ARRAY

DATAACQUISITION

SYSTEM

COMBINER BOX

ARRAY DCDISCONNECT

SWITCH

AC CIRCUITBREAKERS

UTILITYINTERFACE

SYSTEM(OPTIONAL)

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INVERTER3-PHASE

ISOLATIONTRANSFORMER

BREAKERS

Typical PV System Electrical Design 1‐ line Diagram

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PV SYST Example

Commercial Projects E lExamples

Portland General Electric / Prologis

PROJECT: Phase 1: BIPV System – PGE (1.1 MW) Phase 2: 2.4 MW BAPV Solution

ProLogis – Spain 4.8 MW

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Marcegaglia Factory, Cremona, Italy – 2.1 MW

GM – Zaragoza, Spain – 11.8 MW

Flanders Expo, Gent, Belgium – 1.8 MW

Army Hawaii Family Housing – 6MWIn Progress (at least 2 MW installed)

Volkswagen AG – Wolfsburg, Germany – 2.4MW

TREC – Solar Share Waterview – August 2011

• 438 kW rooftop PowerTilt™ arrayPowerTilt™ array being installed at Daimler‐Mercedes Bus in South Mississauga, Ontario… the largest rooftop g pfacility in the GTA so far under the OPA FIT ProgramProgram

Membrane RoofCoca‐Cola Enterprises ‐ California

Enel Green Power, Italy – 25 MW(In Progress)

Standing Seam Metal Roof Convention Center ‐ Italy

• 5.4 MW rooftop project atop ‘Toys Rproject atop  Toys R Us’ ‐ New Jersey main logistics facility of 1.4M square feet…, making this the largestrooftop solar   a‐Si pinstallation to date in North America

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Membrane Roof Distribution Center‐ California

• Tesco USA in Riverside CA;Riverside, CA;

• World’s largest BIPV system;

• 2 MWp;• 2 MWp;• 2.6M kWh of 

annual energy production;production; 

• ~20% of depot’s annual power needspower needs.

Membrane Roof Distribution Center

Membrane RoofManufacturing Plant

General MotorsZaragoza, Spain

12 MW rooftop system ‐ the world’s largest rooftop solar installation

Uni‐Solar Proprietary and Confidential

USO Membrane Laminate Assembly

Carport & BikeportI ti S l tiInnovative Solutions

Carports

Vacaville, California

China Lake Navy Base, California

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Bicycleport by Green Sun Rising

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UNI‐SOLAR: Product Overview

Commercial Residential Applications

P B d L dfill R i

Leading thin‐film solar products addressing all market

PowerBond

PowerMembrane PowerShingle

Landfill Reservoir

Rural Off-Grid

market segments…

PowerTilt PowerTile MilitaryTransportation

…with product and service capabilities

DownstreamUpstream

capabilities spanning the entire solar value chain

Solar CellManufacturing

Laminate/Finished Product

Project Development

SystemIntegration

driving wide‐scale acceptance of solar by integrating our solutions seamlessly and cost effectively into everyday applications 

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Thank You

W.F. (Wilfred) Laman, Director ‐ Business Development905‐518‐6235 Email: wlaman@uni‐solar.comWebsite: www.uni‐solar.com

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