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Datasheet - SPR-E20-327-COM[Type text] E-SERIES COMMERCIAL SOLAR PANELS •••• 20.4% efficiency20.4% efficiency20.4% efficiency20.4% efficiency Captures more sunlight and generates more power than conventional panels. •••• High performanceHigh performanceHigh performanceHigh performance Delivers excellent performance in real world conditions, such as high temperatures, could and low light.1, 2, 3 •••• Commercial gradeCommercial gradeCommercial gradeCommercial grade Optimized to maximize returns and energy production, the E-Series panel is a bankable solution for commercial solar applications. Maxeon® Solar Cells: Fundamentally better. Engineered for performance, designed for reliability. Engineered for peace of mindEngineered for peace of mindEngineered for peace of mindEngineered for peace of mind Designed to deliver consistent, trouble-free energy over a very long lifetime.4,5 Designed for reliabilityDesigned for reliabilityDesigned for reliabilityDesigned for reliability The SunPower® Maxeon Solar Cell is the only cell built on a solid copper foundation. Virtually impervious to the corrosion and cracking that degrade Conventional Panels.4,5 #1 Ranked#1 Ranked#1 Ranked#1 Ranked in Fraunhofer durability test.10 100% power100% power100% power100% power maintained in Atlas 25+ comprehensive PVDI Durability test.11 HIGH PERFORMANCE & EXCELLENT RELIABILITY HIGH EFFICIENCY 6 Generate more energy per square footGenerate more energy per square footGenerate more energy per square footGenerate more energy per square foot E-Series commercial panels convert more sunlight to electricity producing 36% more power per panel,1 and 60% more energy per square foot over 25 years.3,4 HIGH ENERGY PRODUCTION 7 Produce more energy per rated wattProduce more energy per rated wattProduce more energy per rated wattProduce more energy per rated watt More energy to power your operations. High year one performance delivers 7-9% more energy per rated watt.3 This advantage increases over time, producing 20% more energy over the first 25 years to meet your needs.4 sunpowercorp.com 0 5 10 15 20 25 SunPower E-Series Conventional Years 50% 60% 70% 80% 90% 110% 100% 120% 35% more, year 25 8% more, year 1 20% More Energy Per Rated Watt 25-Year Energy Production / Watt 0% 2% 4% 6% 8% 10%Maintains High Power at High Temps No Light-Induced Degradation High Average Watts High-Performance Anti-Reflective Glass Better Low-Light and Spectral Response Year 1 Energy Advantage / Watt E20 327 PANELS SUNPO W ER 1ST PLACE 2 0 12M ODULE FIELD T EST1 PHOTON [Type text] E-SERIES COMMERCIAL SOLAR PANELS OPERATING CONDITION AND MECHANICAL DATA Temperature – 40°F to +185°F (– 40°C to +85°C) Max load Wind: 50 psf, 2400 Pa, 245 kg/m² front & back Snow: 112 psf, 5400 Pa, 550kg/m² front Impact resistance 1 inch (25 mm) diameter hail at 52 mph (23 m/s) Appearance Class B Solar Cells 96 Monocrystalline Maxeon Gen II Cells Tempered Glass High Transmission Tempered Anti-Reflective Junction Box IP-65 Rated Connectors MC4 Compatible Frame Class 2 silver anodized Weight 41 lbs (18.6 kg) TESTS AND CERTIFICATIONS Standard tests UL 1703, IEC 61215, IEC 61730 Quality tests ISO 9001:2008, ISO 14001:2004 EHS Compliance RoHS, OHSAS 18001:2007, lead-free Ammonia test IEC 62716 Salt Spray test IEC 61701 (passed maximum severity) PID test Potential-Induced Degradation free: 1000V 10 Available listings CEC, JET, KEMCO, MCS, FSEC, CSA, UL, TUV ELECTRICAL DATA E20-327-COM E19-310-COM Nominal Power12 (Pnom) 327 W 310 W Power Tolerance +5/–3% +5/–3% Avg. Panel Efficiency13 20.4% 19.3% Rated Voltage (Vmpp) 54.7 V 54.7 V Rated Current (Impp) 5.98 A 5.67 A Open-Circuit Voltage (Voc) 64.9 V 64.4 V Short-Circuit Current (Isc) 6.46 A 6.05 A Maximum System Voltage 1000 V UL ; 1000 V IEC Maximum Series Fuse 20 A Power Temp Coef. (Pmpp) –0.38% / oC Voltage Temp Coef. (Voc) –176.6 mV / oC Current Temp Coef. (Isc) 3.5 mA / oC REFERENCES: 1 All comparisons are SPR-E20-327 vs. a representative conventional panel: 240W, approx. 1.6 m², 15% efficiency. 2 PVEvolution Labs “SunPower Shading Study,” Feb 2013. 3 Typically 7-9% more energy per watt, BEW/DNV Engineering “SunPower Yield Report,” Jan 2013. 4 SunPower 0.25%/yr degradation vs. 1.0%/yr conv. panel. Campeau, Z. et al. “SunPower Module Degradation Rate,” SunPower white paper, Feb 2013; Jordan, Dirk “SunPower Test Report,” NREL, Oct 2012. 5 “SunPower Module 40-Year Useful Life” SunPower white paper, Feb 2013. Useful life is 99 out of 100 panels operating at more than 70% of rated power. 6 Out of all 2600 panels listed in Photon International, Feb 2012. 7 8% more energy than the average of the top 10 panel companies tested in 2012 (151 panels, 102 companies), Photon International, March 2013. 8 Compared with the top 15 manufacturers. SunPower Warranty Review, Feb 2013. 9 Some exclusions apply. See warranty for details. 10 5 of top 8 panel manufacturers were tested by Fraunhofer ISE, “PV Module Durability Initiative Public Report,” Feb 2013. 11 Compared with the non-stress-tested control panel. Atlas 25+ Durability test report, Feb 2013. 12 Standard Test Conditions (1000 W/m² irradiance, AM 1.5, 25° C). 13 Based on average of measured power values during production. See http://www.sunpowercorp.com/facts for more reference information. For further details, see extended datasheet: www.sunpowercorp.com/datasheets Read safety and installation instructions before using this product. © March 2013 SunPower Corporation. All rights reserved. SUNPOWER, the SUNPOWER logo, MAXEON, MORE ENERGY. FOR LIFE., and SIGNATURE are trademarks or registered trademarks of SunPower Corporation. Specifications included in this datasheet are subject to change without notice. Document # 505701 Rev A /LTR_EN SUNPOWER OFFERS THE BEST COMBINED POWER AND PRODUCT WARRANTY POWER WARRANTY 75% 80% 85% 90% 95% 100% 0 5 10 15 20 25Years Traditional Warranty SunPower More guaranteed power: 95% for first 5 years, -0.4%/yr. to year 25. 8 PRODUCT WARRANTY 0 5 10 15 20 25 Traditional Warranty SunPower Years Combined Power and Product Defect 25 year coverage that includes panel replacement costs. 9 Designed in California sunpowercorp.com