GCL ADVANCED PV SOLAR CELL & MODULE. Tokyo

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1 GCL ADVANCED PV SOLAR CELL & MODULE Tokyo

2 GCL Group Introduction GCL Poly Black Si PERC Cell Technology MBB Series Module Sapphire Plus Module Half Cell Module Sapphire High Density Module

3 Key Figures of GCL in Solar Sector Golden Concord Group Limited ("GCL") is the world s champion manufacturer of high quality photovoltaic material. GCL is an integrated energy group that specializes in clean, efficient and new energy. Since its foundation, GCL has committed itself to "Bringing Green Power to Life" by providing sustainable energy and delivering first-rate services. Through various innovations and its constant pursuit of excellence, GCL strives to be the most respectable international clean energy enterprise. NO.1 PV Manufacturer* 23% 30% TOP 10 80,000 tons 23% silicon global market shares 20 GW 30% of total worldwide wafers *according to PV Tech TOP 4 6 GW Top 4 Module Supplier in 2017 with 6 GW module production capacity worldwide 5 GW Total installed capacity of 5 GW ranked TOP10 in the industry WAFER PV MODULE INDEPENDENT POWER PRODUCER

4 WHO IS GCL years track records in energy industry since 1990 Leading non-state owned power producer in China 3 GCL-Poly (HK.3800) GCL New Energy (HK.0451) GCLSI (SZ.2506) Total assets over 100B RMB (16B USD) 6 6 GW module capacity Third-party insurance for every piece of modules by Swiss Re Excellent manufacturing and management experience Fully-Integrated vertical PV industrial chain, world-leading technology roadmap

5 WHO IS GCL?- INDUSTRIAL SYNERGY GCL Poly Environmental -friendly thermal power Synergy Among vertical solar industrial chain Natural gas station GCLSI Garbage power GCL New Energy 28 years track records in energy industry Heating system

6 GCL R&D Platform GCL System emphasizes R&D and applications of high efficiency products via technology innovation. From polysilicon to one stop service, GCL System provides optimized designs for greater ROI*. National level post PhD work station Engineering Research Center PV testing center (by TUV Rheinland) R&D centers: PV, PVT, ESS, nano hi tech materials, energy internet researching 195 patents including 6 PCT**, and 5 software copyrights

7 GCL Group Introduction GCL Poly Black Si PERC Cell Technology MBB Series Module Sapphire Plus Module Half Cell Module Sapphire High Density Module

8 GCL Tech Innovation for PV Value Chain Tech Innovation for PV Value Chain Polysilicon Wafer Cell Module GCL FBR Direct Wafer EPI Wafer Siemens Si Diamond Wire Slicing (DWS) Casting Mono Si Block(8X8) Continuous CZ mono 5BB MBB Black Si Texturing PERC Cells N Type Cells HJT Cells/TOPcon Hydrogenation C Si Tandem Cells CTM Eff. enhancement(half cell /High Density) Double Glass (white EVA) Bifacial GoG Module (with Single Axis Tracking) High System Voltage Module (1500V/ 3000V) SMART Module (MPPT+)

9 GCL Poly PERC Cell Technology Bi-Facial Poly PERC Cell Poly DWS Wafer Cost competitive Difficulty of texturing Black Si Texturing RIE( Reactive Ion Etching ) MCCE (Metal Catalyzed Chemical Etching) Direct Texturing with Additive Poly Black-Si PERC Cell Aesthetic appearance High Efficiency Others PERC cell technology, Cast-mono wafer, Cell process optimization

characteristic: Based on DWS wafer, low cost RIE MCCE Black Si texturing technology + PERC

10 GCL Poly Black-Si + PERC Cell Technology Ag grid Front anti-ref. P-type Emitter Passivation and metallization Poly Black-Si + PERC Technical characteristic: Based on DWS wafer, low cost RIE MCCE Black Si texturing technology + PERC cell technology,high cell efficiency as 20.5% 干法黑硅 RIE 湿法黑硅 MCCE RIE : 300~500nm texture dimension MCCE :200~500nm texture dimension

11 GCL Poly Cell Technology Scenario 2020 Q Q4 Black Si + PERC Bi-facial Poly PERC (DWS) Target:20.5% Poly PERC 20.5% 2018 Q4 Black Si + PERC Bi-facial Poly PERC (DWS) Target:21% Poly PERC 21% Poly Bi facial PERC 20.8% 2019 Q4 Black Si + PERC (DWS) Target:21.3% Advanced passivation solution Black Si + PERC (DWS) Target:21.5% Bi facial Poly PERC 20.3% Hydrogen passivation process 5BB,MBB Advanced doping technology Cast mono wafer

12 Poly PERC Cell Efficiency Roadmap 2017 to % 21.50% 21.00% 20.50% 20.00% 19.50% Cell Efficiency Roadmap ( ) 21.30% 21.00% 20.50% 20.60% 20.30% 19.90% 21.50% 20.90% 19.00% Multi PERC+Black-Si Multi PERC Poly PERC Black-Si cell efficiency reaches 20.5%,and to be 21.5% in Year 2020

13 MCCE + PERC Cell Efficiency in Mass Production cell efficiency distribution Module power distribution 25.0% 20.0% 15.0% 10.0% 5.0% 0.0% 8000 Average cell efficiency 21.2% 21.5% 85.28% Eff:20.15% 7000 Voc: 650mV Isc: 9.55A 15.6% FF: 79.81% 14.1% 9.6% 5.4% 4.5% 3.0% 0.8% 0.9% 0.4% 0.4% Quantity (pcs) 19.7%~20.1%, main power class 285W % 5.73% 0.02% Using normal black Si BOM

14 RIE + PERC Cell Efficiency in Mass Production 20% 18% 16% 14% 12% 10% 8% 6% 4% 2% 0% 0.43% 0.99% 2.28% 0.38% Distribution of RIE+PERC cell efficiency Average cell efficiency Eff:20.43% Voc: 656.5mV Jsc: 39.1mA/cm 2 FF: 79.57% 5.05% 9.98% 14.95% 18.13% 18.73% 14.67% 9.39% 3.99% 0.98% 0.04% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% module power distribution(cell 20.2%) 80.36% 18.59% 0.06% 0.95% Average cell efficiency 20.2%(19.9%~20.5%), more than modules and main power grade 290W Best cell 20.78% Using normal black Si BOM Fraunhofer certification for best cell efficiency 20.78% Shipment of 360MW and 200MW grid-connected

15 Poly PERC 72 Module Technical Roadmap 2017 to Multi PERC Module Power Roadmap 2017 to 2020 Module Power(W) Y2017 Y2018 Y2019 Y2020 Multi PERC Black Si(5BB) Multi PERC Black Si(MBB) Normal Multi C (5BB)

16 GCL Group Introduction GCL Poly Black Si PERC Cell Technology MBB Series Module Sapphire Plus Module Half Cell Module Sapphire High Density Module

17 MBB Module Improved Absorption of Light Improves the absorption of light with circular shaped wires, which scatter light more effectively. Reduced Electrical Loss Reduces the electrical loss by spreading the current with 12 wires. Multi-Busbar

MBB Module 395 +35W 360W 355 345 325 325W 335W 3.0% more power 3.1% more power 10.

18 MBB Module W 360W W 335W 3.0% more power 3.1% more power 10.7% more power 310 Average Industry 72 poly Normal 72-MBB High Efficiency MBB + Black Silicon + PERC Cell

19 MBB GCL-P6/60 300w 18.4% High Efficiency 60-cell, P Type Module Excellent Surface Appearance 1000V/1500V System Voltage Wp 60 cells Suitable For All Kinds Of Application

20 MBB GCL-P6/72 360w 18.5% High Efficiency 72-cell, P Type Poly Module Excellent Surface Appearance 1000V/1500V Maximum System Voltage Wp 72 cells Suitable For Large Utility Project

21 Sapphire

22 GCL Group Introduction GCL Poly Black Si PERC Cell Technology MBB Series Module Sapphire Plus Module Half Cell Module Sapphire High Density Module

23 Creative Cell Cutting & Soldering Process Use Laser sawing machine to do cell cutting Lower internal circuit current,reducing the power loss Split junction box have less heat effect 1500V system voltage,reduce the system cost 第23页

Sapphire Plus Module -Half Cell Module +5W~10W, High Power Output Interior circuit power loss reduce 75% Compare to normal ploy 72 cell module Laser cutting

24 Sapphire Plus Module -Half Cell Module +5W~10W, High Power Output Interior circuit power loss reduce 75% Compare to normal ploy 72 cell module Laser cutting technology Reduce the cell current Half cell technology could be applied to ploy cell & mono cell cell,with 72 and 60 module type Module has Low risk in micro crack

Half Cell Module 280 278 276 274 272 270 268 Module power gain 279 279 276 273 274 272 0.183 0.184 0.185 Pmax normal Pmax half_cell Poly Si cells 103.

25 Half Cell Module Module power gain Pmax normal Pmax half_cell Poly Si cells 103.0% 102.5% 102.0% 101.5% 101.0% 100.5% 100.0% 99.5% 99.0% CTM gain 102.7% 102.4% 102.3% 100.9% 100.8% 100.6% CTM normal CTM half_cell

26 Half Cell Module Generates More Power Power generation and gain Location:Nanjing (E : ', N: 32 03') Capacity:50 KW Module types Half cell P3/72 Normal P6/72 Measurement: Two groups of module with identical number and power class Conclusion: 4% generated power increment Power generation (kwh) % 1.38% 6.49% 2.65% 2.37% 5% 5.12% 7.00% 6.00% 5.00% 4.00% 3.00% 2.00% 1.00% Power gain ratio 0 Jun Jul Aug Sep Oct Nov Dec Half cell module Normal cell moduel Power gain 0.00%

27 GCL Group Introduction GCL Poly Black Si PERC Cell Technology MBB Series Module Sapphire Plus Module Half Cell Module Sapphire High Density Module

28 Sapphire High Density GCL-P2/60 GCL-P2/ Wp 60 cells Wp 72 cells

29 Sapphire Series Module W 385W W 18.5% more power W 12.3% more power 310 Average Industry 72 poly Sapphire High Density Sapphire High Density (Black Silicon + PERC cell)

30 High Density Module Increase the area of light receiving The solar cells are arranged in a shingled manner and increase the area of light receiving. Reduced Electrical Loss Reducing single string current and reducing series resistance loss.

31 Sapphire High Density 385W, Poly cell High density lay out Advanced cell interconnection technology High output Poly module Lower Isc of single string cells Reduced 96% internal loss Lower hotspot, micro-crack risk 3% more light absorption area

The Proven Product GCL Present World Class manufacturer of crystalline silicon photovoltaic modules Fully automatically manufacturing facility and world class technology Rigorous quality control to

32 The Proven Product GCL Present World Class manufacturer of crystalline silicon photovoltaic modules Fully automatically manufacturing facility and world class technology Rigorous quality control to meet the highest standard: ISO 9001:2008, ISO 14001: 2004 OHSAS: Tested for harsh environments (salt mist, ammonia corrosion and sand blowing test: IEC 61701, IEC 62716, DIN EN ) Long term reliability test 2*100% EL inspection ensuring defect-free module Additional third party warranty insurance backed by Swiss RE

33 SUPER BLOCK Poly PERC Bifacial + HSAT + Robot Cleaner / 1500V DC System Lowest LCOE with GCL Solution

34 THANKS! GCL

GCL SYSTEM INTEGRATION. Bringing green power to life.

GCL SYSTEM INTEGRATION. Bringing green power to life. GCL SYSTEM INTEGRATION Bringing green power to life. 01 GCL GROUP ABOUT GCL GROUP Golden Concord Holdings Limited ("GCL") is the world s champion manufacturer of high quality photovoltaic material. GCL