Q-CELLS CIGS THIN FILM MODULES: HIGHEST EFFICIENCY IN THE MARKET Votum Workshop, Prague, May 13, 2010 DISTRIBUTION LIST: WORK-SHOP PARTICIPANTS
CONTENTS Q-CELLS CIGS MODULES: POWER, QUALITY AND AESTHETICS Q-CELLS CIGS PRODUCT FAMILY: SL1, SL1-F & SL2 Q-CELLS CIGS SELECTED REFERENCES Q-CELLS CIGS : ENERGY YIELD SUPPORT 2
3 Q-CELLS CIGS MODULES: POWER, QUALITY AND AESTHETICS
Q-CELLS CIGS MODULES: POWER, QUALITY AND AESTHETICS Worldwide Highest Efficiency Thin Film Module on the Market Average efficiency in production about 11% Champion module 12.3% total area efficiency externally confirmed. Clear roadmap for increasing average efficiency beyond 12% customer benefit: many kwh per m² and year Excellent Energy Yield and Performance Ratio Excellent performance at low irradiation and oblique incidence conditions Beneficial temperature coefficient Advantageous cell configuration by partial shading Positive Sorting +5W/-0W customer benefit: many kwh per kwp installed Solid Quality Made in Germany Quality in design: proven edge seal, robust frame Quality assurance: rigorous in-line control, extensive test program customer benefit: long term stability Outstanding Aesthetics Uniform black appearance ideal for high-end installations with high visibility 4
Nominal Efficiency Q-CELLS CIGS: EFFICIENCY COMPARISON WITH THIN-FILM COMPETITOR PRODUCTS ASI 103 NA-F128 (G5) FS-277 PowerMax 120 SC85-EX-A WSG0036E080 SL1-90-RevB 13,0% 12,0% 11,0% 10,0% 9,0% 9% efficiency 11.2 m 2 /kw 8,0% 7,0% 6,0% 22% less area Schott Sharp First Solar AVANCIS Showa- Shell Würth Solibro 12% efficiency 8.7 m 2 /kw Mean value of compared modules 9.9% (red line) Less space required to get power Comparison based on nominal Pmax of highest power class stated in data sheet More power on roof with limited space Lower BOS per Wp 5
Q-CELLS CIGS MODULES: PRODUCT FEATURES FOR HIGH PROFITABILITY Feature High stability 7,4 mm laminate with 4 mm tempered front glass Inverters without transformers allowed Full compatibility with RoHS directive Benefit Low breakage rate less hassle, lower installation and maintenance costs Higher Performance Ratio and lower system cost higher ROI of installations No installation restrictions related to heavy metal content. Module take-back organized through PV Cycle A pre-financed EU-wide system for module takeback No warranty limitation for systems smaller than 30 kwp Versatile product available as unframed laminate and with frame (SL1) Solibro Modules can be effectively placed also in domestic roof-top segment A wide range of applications: small roof-top, commercial, façade 6
Q-CELLS CIGS MODULES: POWER, QUALITY AND AESTHETICS We certify our products at VDE and CSA IEC 61646: functionality and life time IEC 61730: safety UL 1703: for North America (certified by CSA) Q-Cells SE and Solibro GmbH are certified according to ISO 9001:9001 7
8 Q-CELLS CIGS PRODUCT FAMILY: SL1, SL1-F & SL2
Q-CELLS CIGS SL1: THE UNFRAMED LAMINATE Key Features High efficiency brings high power onto the roof Without frame efficient self cleaning and no need for grounding of the module Excellent energy yield also at low inclination angle Glass-Glass laminate with proven edge seal ensures long term stability Laminate with 4 mm tempered front glass and 3 mm substrate glass sets industry benchmark in mechanical stability SL1: the laminate Examples of preferred applications Commercial roof-top at low inclination Industrial flat roof 9
SOLIBRO SL1-F: THE FRAMED MODULE Key Features High efficiency brings high power onto the roof Excellent energy yield Easy handling on the roof Good for high snow load up to 5400Pa thanks to robust hole chamber frame Wide clamping region allows for efficient one-layermounting on roof hooks Uniform black appearance SL1-F: the framed module Examples of preferred applications Residential / Slanted roof-tops In-roof solutions for outstanding aesthetic appearance 10
Q-CELLS SL1: TRACK RECORD OF STEADY IMPROVEMENT Revision date June 2008 Aug. 2008 April 2009 June 2009 Nov. 2009 Revision name Rev. 02 Rev. 03 Rev. 04 Rev. A Rev. B Power Classes / 65-85 Wp 60-85 Wp 60-85 Wp Nominal efficiency 8.7-11.3% 8.0-11.3% 8.0-11.3% 65-85 Wp 8.7-11.3% 70-90 Wp 9.3-12.0% Power sorting ±4% ±4% ±4% +5W/-0W +5W/-0W Rel. efficiency at 200 W/m² 87% 91% 91% 93% 93% Temperature coefficients of Pmax -0.45 %/ C -0.45 %/ C -0.45 %/ C -0.45 %/ C -0.38 %/ C Maximum reverse current 3 A 3 A 3 A 3 A 6.5 A Certificates None None IEC 61646, IEC 61730 IEC 61646, 61730 IEC 61646/61730 CSA/UL1703 ISO 9001 Improvement in all parameters decisive for field performance and energy yield: efficiency, power sorting, low irradiance performance and temperature coefficient 11
Q-CELLS SL2: THE NEW POWER MODULE Key Features 25% increased width boosts power above 100 Wp Reduced system costs per Wp Cost efficient laminate produced in new state-of-the-art CIGS factory with 90 MWp yearly capacity Laminate with 4 mm tempered front glass and 3 mm substrate glass sets for mechanical stability Shares the excellent performance with SL1 series - World leading thin film efficiency - Excellent energy yield SL2 110 Wp 0.94 m² Examples of preferred applications Free field installation Industrial flat roof 12
THE NEW POWER MODULE SL2: MAIN FEATURES COMPARED TO SL1 Product feature* SL2 SL1 Width [mm] 790 630 Height [mm] 1190 1190 Thickness (mm) 7.4 7.4 Area [m 2 ] 0.94 0.75 Weight [kg] 16.5 13.2 Number of cells 150 118 Power range [Wp] 90-115 70-90 Junction Box position Shifted respect to main symmetry axis On main module symmetry axis SL2 25% larger area more power for lower system costs! SL1 * The following features remain unchanged: Substrate glass 3 mm float / front glass 4 mm ESG Edge sealing and encapsulation Junction box Multicontact MC4 13
14 Q-CELLS SL1 SELECTED REFERENCES
Q-CELLS SL1: COMMERCIAL ROOFTOP Partner: GeckoGroup AG Location: North Rhine-Westphalia, Germany Module: Solibro SL1-70 Power: 40 kwp Orientation: South-East (-22 ) Inclination: 9 15 Energy Yield Data Simulation for normal year: Output Jan Dec 09: 7% above simulation 850 kwh/kwp 913 kwh/kwp
Q-CELLS SL1: INDUSTRIAL FLAT ROOF Partner: SUNOVA AG Location: Italy Power: ca 40 kwp Orientation: N.A. Inclination: ~3 Partner: thermovolt AG Location: Witten, North Rhine-Westphalia Power: ca 260 kwp Orientation: N.A. Inclination: ~3 16
Q-CELLS SL1: INDUSTRIAL SAW-ROOF Partner: Location: Power: thermovolt AG North Rhine-Westphalia, Germany ca. 500 kwp Partner: Location: Power: SUNOVA AG Venice, Italy ca 90 kwp Energy Yield Data Output Jan Dec 2009: 944 kwh/kwp Performance Ratio Jan-Dec: 84% 17
Q-CELLS SL1-F: SLANTED ROOF Partner Location: Module: Power: SUNSET Bavaria, Germany Solibro SL1-75F 11 kwp Wide clamping region allows for cost efficient one layer substructure 18
Q-CELLS SL1-F: ROOF INTEGRATED (FRAMED) Partner: Location: Module: Power: thermovolt AG Kassel, Germany Solibro SL1 75F 38 kwp 19
20 Q-CELLS CIGS ENERGY YIELD SUPPORT
Q-CELS CIGS MODULES PROVIDE HIGH ENERGY YIELD (kwh/kwp) 1. Based on the technical properties Excellent performance at low irradiation level Beneficial temperature coefficient Advantageous cell configuration by partial shading Positive Sorting +5W/-0W Approved use of inverters without transformers having higher efficiency 2. excellent energy yield and performance ratios are predicted in simulations Tools described on next slide Data sheet Installation manual 3. and confirmed or surpassed in field installations See following slides 21
TECHNICAL SUPPORT: SIMULATIONS PVSol (used in GER) Simulation Programme for the Design and Calculation of Photovoltaic Systems http://www.valentin.de/ PVSyst (rest of world) PVSyst is also a software for the study, sizing, simulation and data analysis of complete PV systems http://www.pvsyst.com 22
TECHNICAL SUPPORT: ENERGY YIELD Q-Cells reference site Valetta with more than 100 kwp and special test possibilities Various customer sites (with standard Yield Monitoring Systems like Meteocontrol) Performance Ratios compared to predictions from simulations 23
Q-CELLS SL1 ENERGY YIELD: IBC Test Site Project: IBC Test Site Location: Bavaria, Germany Module: Solibro SL1-75 Power: 1,5 kwp Orientation: South (0 ) Inclination: 30 Installation: June 2008 Performance Ratio (PR) Yield [kwh/kwp] months data 12 (Jan 09 - Dec 09) simulated (year) 80.7% 968 actual 85.2% 1007 difference (rel.) +6% +4% comment 24
SOLIBRO SL1 ENERGY YIELD: HaWi Test Roof Project: HaWi Test Roof Location: Bavaria, Germany Module: Solibro SL1-75F Power: 2,6 kwp Orientation: West (73 ) Inclination: 35 Installation: September 2008 Performance Ratio (PR) Yield [kwh/kwp] months data 12 (Jan 09 - Dec 09) simulated (year) 77.2% 877 actual 86.6% 968 difference (rel.) +12% +10% comment West orientation 25
Q-CELLS SL1 ENERGY YIELD: FACADE Project: Solibro Façade Location: Saxony-Anhalt, Germany Module: Solibro SL1-70 Power: 17 kwp Orientation: South (15 ) Inclination: 90 Installation: June 2008 26 Performance Ratio (PR) Yield [kwh/kwp] months data 12 (Jan 09 - Dec 09) simulated (year) 85.9% 653 actual 86.8% 763 difference (rel.) 1% 17% comment Modules from very first production period.
Q-CELLS SL1 ENERGY YIELD: RESIDENTIAL REFERENCES FROM BENCHMARK PROJECT BV SCHWARZE Monitoring to start in June BV ETTINGER Monitoring started in May BV LEPS Yield: 129 kwh/kwp PR: 91% 27 BV FEDER Yield: 137 kwh/kwp PR: 94% BV BELITZ Monitoring started in April BV BARTLING Monitoring started in April Standardized monitoring in a Meteocontrol based portal with possibility for customer access Excellent Performance Ratios > 90% measured in April
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CHAMPION MODULE WITH 12.3% EFFICIENCY EXTERNALLY CONFIRMED Full report is included here: Back to USP slide Measurement at Fraunhofer-ISE for module out of series production P max = 92.5Wp corresponds to 12.3% total area efficiency 29
Q-CELLS CIGS MODULES: Compliance to RoHS directive Directive on the Restriction of the use of certain Hazardous Substances (RoHS) electronic equipment put on the market does not contain any of the six banned substances in quantities exceeding maximum concentration values Substance Concentration in Q-Cells CIGS Modules [ppm]* Maximum allowed concentration [ppm] Lead (Pb) 2.8 1000 Mercury (Hg) <0.05 1000 Cadmium (Cd) 21 100 hexavalent chromium (Cr +6 ) 1000 poly-brominated biphenyls (PBB) 1000 polybrominated diphenyl ethers (PBDE) 1000 * Q-Cells CIGS Modules are fully compliant with RoHS directive Conclusion from analysis (Fresenius Institute): sample is to be classified as non hazardous waste 30