8 SUMEC-Jianhua Sun

Shanghai, China 2019.6 Trend in Industrialization of High Efficiency Solar Module SUMEC Energy Holdings Co., Ltd. SINOMACH New Energy Research Institute 能源维新 筑业惟恒 Roadmap of Advanced Module Product Technology Development 1 Product Roadmap Power Power Range Certificate 2019-2023 Product Roadmap 2019 2021 2023 – Half Cell Module – Bifacial Half Cell Module – Larger Format Half Cell Module Poly 285w-60cell 340w-72cell Mono 325w-60cell 390w-72cell Mono 355w-60cell 425w-72cell Mono 365w-60cell 440w-72cell – Shingling Module – Light Weight Bifacial Module – Half Cell MBB Module – Perc P-Type Mc-Si Module Poly 315w-60cell 380w-72cell – Back Contact Cells N-Type Mono-Si Module – PERC N-Type Mono-Si Module – Half Cell MBB Module – Shingling Module Poly 325w-60cell 390w-72cell Product Roadmap 2019 High Efficiency Solar Module Product List Dual Glass – Half Cell Bifacial Encapsulated Type Dual Glass 120- 156.75*78.38 Module Size 168499830 Poly 270Wp-285Wp Mono Perc 300Wp-320Wp 144- 156.75*78.38 Module Size 200699830 Poly 325Wp-335Wp Mono Perc 365Wp-385Wp Half Cell Module 120- 156.75*78.38 Module Size 167599235 5BB Poly 275Wp-290Wp 5BB Mono Perc 305Wp- 325Wp144- 156.75*78.38 Module Size 200099240 Poly 330Wp-340Wp Mono Perc 370Wp-390Wp Encapsulated Type Single Glass Larger Format Of Half Cell Module 120- 158.75*79.38 Module Size 1684100235 5BB Poly 280Wp-295Wp 5BB Mono Perc 310Wp-330Wp 144- 158.75*79.38 Module Size 2008100240 Poly 335Wp-345Wp Mono Perc 375Wp-395Wp Encapsulated Type Single Glass Power Range Module Technology Avg. Power Power Rating Wp Remark2019 WT-EVA Q1 Q2 Q3 Q4 Half Cell Module PSxxxM-20/UH 310/315 310/315 310/315/320 315/320/325 1675992 PERC/WT-EVAPositive Tolerance 0-5W PSxxxP-20/UH 280/285 280/285 285/290 285/290 1675992 BLK-Si/Poly/WT-EVAPositive Tolerance 0-5W PSxxxMH-24/TH 375/380 375/380 380/385 385/390 2000992 PERC/WT-EVAPositive Tolerance 0-5W PSxxxP-24/TH 335/340 335/340 340/345 340/345 2000992 BLK-Si/Poly/WT-EVAPositive Tolerance 0-5W PSxxxMG-24/TH 370/375 370/375 375/380 380/385 2006998 PERC/POE/BiFi/Glazed GlassPositive Tolerance 0-5W PSxxxMG-20/UH 305/310 305/310 305/310/315 310/315/320 1684998 PERC/POE/BiFi/Glazed GlassPositive Tolerance 0-5W Larger Format Of Half Cell Module PSxxxM-20/UH 325/330 325/330 330/335 335/340 16841002 PERC/WT-EVA Positive Tolerance 0-5W PSxxxP-20/UH 290/295 290/295 300/305 305/310 20081002 PERC/WT-EVAPositive Tolerance 0-5W PSxxxMH-24/TH 390/395 400/405 400/405 405/410 20081002 BLK-Si/Poly/WT-EVAPositive Tolerance 0-5W PSxxxP-24/TH 345/350 345/350 350/355 355/360 Positive Tolerance 0-5W Power Range Certification IEC/UL Mono Perc Half Cell Mono Perc Half Cell Bifical Mono Perc Half Cell IEC Certification IEC Certification UL Certification Bifacial/Larger Format of Half Cell Module Product Technology and Advantages 2 Technical Characteristics Technical Advantages Half Cell Bifacial Module Technology Advantages Additional Power Generation Gain 30-year linear performance warranty, more than 30 additional power gain PID FreePotential Induced Degradation PID free, due to the PEO material and double glass design Lower Micro-crack Risk No internal stress from the symmetrical Bifacial cell scheme Better Weak Illumination Response Lower temperature coefficient and wide spectral response, higher power output, even under low-light settings Better durability 6-time salt mist corrosion test, triple IEC test, 6-time PID test, class A fire rating SpecialApplication BIPV, vertical installation, snow filed, high-humid area, windy and dusty area sp aci ng Half Cell Bifacial Module Technology Advantages Additional Power Generation Gain FP100 RP0 FP100 RP530 Conventional Module Half Cell Bifacial Module FP The power output from the front side of module RP The power output from the rear side of module The reflection of light transmission of the module Background reflected light. Peripheral scattered light. Half Cell Bifacial Module Technology Advantages Actual Power Generation Comparison Select the same power bifacial solar module and dual glass module actual power generation monitoring and comparison, from January to July bifacial solar module cumulative power generation gain 7.56. System Cost of Power Plant Half Cell Bifacial Module Technology Advantages Bifacial TwinPlus Module Full Cell Module TYPE VALUES A B C D Full cell module Rated Power 360w 234w 46w 39w Power loss 0 35.22 87.17 89.66 Bifacial TwinPlus module Rated Power 385w 342w 250w 218w Power loss 0 11.15 35.15 43.18 A B C D Simulated occlusion experiment, module horizontal and vertical installation power generation comparison. The simulated occlusion test shows that the half-cell assembly has low power attenuation when installed vertically. Vertical installation Horizontal installation Half Cell Bifacial Module Technology Advantages 0 21.7 40.5 41.7 46.4 32.1 51.8 69.9 87.8 0 10 20 30 40 50 60 70 80 90 100 Unobstructed Half cell Single cell Two cells Half odule Horizontal Vertical Larger Format of Half Cell Module Technology Advantages More Power Large square size design, effectively increasing the module power output. Lower System Cost Higher conversion efficiency help to save transportation, installation and Bos cost Better Low-light Performance Enhanced spectral response at longer wave length boosts low-light performance, which can produce more than 3 additional module at system side. Size2008mm*1002mm 370 375 380 385 390 395 400 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 PM AX （ W ） Mono PERC Module Larger Format Half Module Sample Quantity Larger Format of Half Cell Module Technology Advantages Module Capacity and Product Prediction 3 Proposal Power Prediction Proposal for 2019 Proposal for 2019 Q3, 2019 Q4, 2019Q1Q2, 2019 Minimum Power Bin [ 375 watt , 1500V ] Quantity [ 150 MW 375w, 380w ] Rati o[ 5050 ] Minimum Power Bin [ 380 watt , 1500V ] Quantity [ 150 MW – 200MW 380w, 385w ] Rati o[ 7030 ] Minimum Power Bin [ 385 watt , 1500V ] Quantity [ 150 MW 385w, 390w, 395w ] Rati o[ 305020 ] Total Supply 450MW – 500MW Q1-Q4, 2019 Power Prediction 2020-2021 PV Panel Product Forecasting 370 380 390 400 410 420 430 Q4 2019 H1 2020 H2 2020 H1 2021 H2 2021 PSxxxMG-24/TH 39 0 39 5 40 5 41 0 41 5 − Process Optimization − Wafer Size Enlargement − Wafer Quality Improvement − Reflective Material Ribbon, Back sheet − MBB Multi Bus Bar 丨 Mono - 144 Half Cell Module 370 380 390 400 410 420 Q4 2019 H1 2020 H2 2020 H1 2021 H2 2021 PSxxxMH-24/TH 38 5 39 0 40 0 40 5 41 0 − Process Optimization − Wafer Size Enlargement − Wafer Quality Improvement − N-type Bifacial Cell − Reflective Material Ribbon − MBB Multi Bus Bar − Average bifaciality75 − Generates additional power up to 30 丨 Mono - 144 Half Cell Bifacial Module 2020-2021 PV Panel Product Forecasting Shanghai, China 2019.6 SUMEC Energy Holdings Co., Ltd. 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