29 NOVEMBER - 01 DECEMBER 2016 IMPACT Arena - Bangkok, Thailand

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1 #SORSEA #SFIAsia seasia.solarenergyevents.com 29 NOVEMBER - 01 DECEMBER 2016 IMPACT Arena - Bangkok, Thailand

2 How to Build Smart PV Plant The inevitable trend of energy internet The challenges threat your investment FusionSolar PV plant should be smart

3 Energy Internet FusionSolar

4 Cloud Computing, Big Data & AI Lead to An Intelligent World Agricultural Revolution Agricultural Revolution Industrial Revolution Information Revolution Intelligence Revolution Industrial Revolution Information Revolution Intelligence Revolution 5000 year ago 5000 years ago 1780s 1990s Today 1780s 1990s Today All things, Sensing All things, Connected All things, Intelligent App1 App2 App3 Data Minin g User Behavior Insight Page 3 HUAWEI TECHNOLOGIES CO., LTD.

5 Energy Industry Today Generation Transmission Consumption Very small renewable energy contribution Isolated Control panels Dis-connection of Information Low level electrified consumption Energy trading not activated Fossil-fuel Fossil-fuel Control Center Intermittent Residential Solar Fluctuant Solar Power Control Center Power Control Center Electric Vehicles Wind Wind Power Control Center CCHP Pipe for CCHP Industrial Page 4 HUAWEI TECHNOLOGIES CO., LTD.

6 Road to Energy Internet Clean Energy Increasing LCOE reduction in solar/wind Grid-friendly, less fluctuations More distributed generation 1 2 Integration of sensors or communicating module Coverage of communication signals Devices Smart Cloud Data Sharing Multi Energy Management and Coordination according to the consumption requirement 5 Energy Consumption Shifting Electrification of residential energy consumption The replacement of fuel cars by electrical cars Electrification of industrial energy consumption 3 4 Flexible trades between multi buyers & sellers The new upsurge of energy conservation service Energy Trade Innovation Page 5 HUAWEI TECHNOLOGIES CO., LTD.

7 Overview of Huawei FusionEnergy Automatic / self-adaption/ Self adjustment system Power Generation Smart infrastructure of solar/wind Interconnection & Cloud Share Cloud and big data analysis platform Wireless connect all things Power Consumption Smart EV power Smart home energy management Cloud All things, Intelligent Grid Grid Pipe All things, Connected Substation Distribution Device All things, Sensing Heat exchanger PLC SACU Smart Meter PLC Residence Enterprise Factory EV charger PV Storage Wind Thermal Page 6 HUAWEI TECHNOLOGIES CO., LTD.

8 Lean management is required for large PV plant Large Scale Solar PV plant is developing rapidly Global PV plant installed capacity in 2016 increased 17% to 67 GW By 2015, the global PV plants installations accumulate to 227GW Stock management becomes important works the by operators GW 26.5 GW GW Data- more accurate, size smaller, more types Solar Module String level currentvoltage, 0.5% accuracy String current 3% Inverter Solar Module health data PV plant and key nodes of PR; O&M Data; Asset Information Inverter running state, general alarm; string running state; Power generation, environmental data E Central String Source: HIS Global Inverter Shipment & Prediction Data granularity development Page 7 Data types and amount

9 Challenges Threat Your Investment FusionSolar

10 Unknown Panel Faults Significantly Increase Investment Risks Challenge PID effects Hot spots Shattered glass Cell cracks Bracing Corrosion More TÜV : An investigation indicates among 12GW plants, 30% (3.6GW) has severe defects??? Source: Connecting PV Module Quality to Field Degradation, SOLARBUYER

11 Challenges from Traditional PV Solution Challenge Low Yield & Power Lost Inefficient O&M & High O&M Cost Low Reliability No string-level detection, low accuracy Vulnerable parts used Forced cooling required Ventilation equipment consumes electricity Extra cabling time and cost Long fault positioning time and recovery time No centralized management of plants in varied locations Lack of string-level monitoring & management DC Combiner Box Central Inverter RS485 Communication Management Fiber ring network DC Monitoring and Management AC Transformer Grid Communication

12 PV Plant Should be Smart Higher yields Full Digitalization FusionSolar Smart and Auto Operation & Maintenance Safe and reliable

13 Simple O&M 50% higher efficiency Higher Yields 3% UP Safe & Reliable 25 Years Reliability Equivalent CAPEX Higher IRR OPEX Saving in 25 Years 41 Million THB more for >2.3 Million THB >99.9% Availability Rate Higher Returns, More IRR 10MWp PV Plant in 25 years

14 Smart PV Solution VS Traditional Solution Digital PV Yield & Data Collection IP65, natural cooling String monitoring at accuracy 0.5% 192 MPPT / 2MW Power & Data Flow PLC transmission( Hisilicon Chipset) Data Analysis & Operation Management Data storage, management and analysis of GW-size plants with Fusion cloud platform Smart IV Curve Diagnosis FusionSolar PLC 4G LTE Cloud 24pcs modules / string Smart PV Controller Container protection and air cooling String monitoring at accuracy 3% 1~2 MPPT / MW Lots of fuse and other vulnerable parts Hard to locate fault in the fiber ring network RS485 cable Fiber Only Rough Monitoring Traditional 22pcs modules / string DC Combiner Inverter & Inverter Room

15 Digital RS485 Datalogger DC combiner Inverter Container Requires RS485 cable and relevant labor cost TX Grid SmartLogger No RS485 Cable. PLC Supports Innovative PLC Communication, Save cost.

16 O&M platform based on cloud computing turning O&M smarter, easier & Faster Auto O&M Early Prevention Key components lifetime alarm String fault prevention reminder String level fine management Centralized management for large scale PV plants Neteco1000s Management System Early Discovery Real time monitoring on inverter performance Automatic alarms sent to mobile phone String Level Detection Early Recovery Automatic string fault locating Fault causes recorded by inverter, assisting on positioning Page 15 HUAWEI TECHNOLOGIES CO., LTD.

17 FusionSolar Increase Power Generation by over 3% 41,393,928 THB more for 10MWp PV Plant in 25 years +3% MPPTs / 2MW, Reducing mismatch increase power generation by 1.2%-2.0% Euro Efficiency 98.6%: 0.5%~0.8 % Higher Yields 3 Lower self-consumption: 0.7%-1.0% 4 Less impact when fail, quick recovery: % Central Huawei Smart PV Inverter Page 16

18 PR in Southeast and EU Sites, Average 3% Higher Higher Yields PR Solar Plant Place Size Inverter On-site PR Collection From NA Partners 84.5% Khao Yoi Thailand 20MW 28KTL 85.1% Kuibri Thailand 10MW 28KTL 87% IKEA Malaysia 1MW 33KTL 86.3% Talarc City Philippine s 17MW 33KTL 86.84% Coombeshead UK 10MW 20KTL 85.08% Llwyndu UK 8MW 20KTL 86.91% Sengkofen DE 2MW 20KTL 87.49% Osternienburg DE 10MW 28KTL 85.3% Nakskov Denmark 4.2MW 20KTL 86.9% Reden DE 7.8MW 20KTL 90.4% Reinstedt DE 4MW 20KTL Page 17

19 OPEX Saving in 25 Years >23.3 Million THB Higher Smart Yields O&M 17.5 Million 5.8 Million 0.97Million 2% Inv Failure Rate Traditional PV Plant 0.3% Inv Failure Rate Smart PV Plant 10% Failure Rate Traditional PV Plant Inverter Maintenance Cost Fan Maintenance Cost Inverter Related O&M Cost in 25Years in a 100MW PV Plant Page 18

20 Smart IV Curve Diagnosis, Precisely Manage Utility Scale PV Plant Smart O&M Traditional Testing Method Smart PV Testing Method Inspection Volume 1% Casual Inspection Full Inspection Time Taken 2~3 days / 10 MW On Line Engineers Required 2~3 People On-site Free, On Line Report Issuing Afterwards diagnosis report analysis Automatic diagnosis report generation

21 Smart IV Curve Diagnosis Principle Smart O&M Different panel failure would have different IV curve patterns, causes of failure could be determined when an analyzed specific IV curve matched with an existing pattern Strings with shade on panels Normal Curve Curve with Shade Normal Curve Curve with Current Mismatch Stings with current mismatch caused by using a mixture of modules or dust, PID,

22 Failure types can be detected by Smart Diagnosis Smart O&M Smart diagnosis can accurately detect total 21 panel failure types, 17 categories. Open circuit of string Current mismatch in string Abnormal module current output (shadow, Glass breakage, hidden cracks) Extreme-low current output by module/cell ( panel cover up / cell damage) Diode break-over fault ( diode short circuit / Bracing breakage) Low string voltage String with minor current mismatch Panel with hidden cell cracks String with high resistance Low string short circuit current High decay speed of string No string connected Incorrect string configuration Invalid string Invalid scanning No string output Risk of PID TUV Verification 0.5% Sensor Accuracy 14 string related faults have all been verified by TUV

23 HUAWEI s Reliability Test Standards are Above Industry Level Reliable Safe & Reliable Global Compliance Testing Center Global Compliance Testing Center Low Temperature Performance Test Heat Dissipation Performance Test Leaf, Dust Cover Salt-fog Test Rocket triggered Lightning at Guangdong Page 22 HUAWEI TECHNOLOGIES CO., LTD.

24 High Salt-mist Resistance & Reliability by Full-sealed Design Safe Reliable & Reliable IP65, full-sealed design high reliability in high humid & salt-mist area 2MW, Okinawa, Japan - Seaside 100MW, Huzhou, China Water 60-day lab tests against salt-mist Over 3-year field test at seaside Wide applications of seaside/fishery PV plants in Japan, Thailand, China, etc. VS IP54, power modules exposed to humid & salt-mist environment, higher failure rate & shorter lifetime.

25 Smart PV, Excellent in Dusty Area Approved by TUV Safe Reliable & Reliable Traditional PV plant in Northwest China 38 central inverters from Jan to May, 2016 Failures: 8 times (7 fan failures, 1fire) Failure rate: 21% Availability: 99.3%~99.72% Fans Failure Fire in Apr MW, Golmud, China SUN2000 Installed Volume MW COD Running days Annual failure rate Availability Station phase II 200 sets 4 17 th Dec days 0.189% % Station phase III 4939 sets th Dec days 0.252% % Station phase IV 1790 sets th Jan days 0.390% % Station phase V 700 sets 30 1 st Jun 2016 Commissioning Period during this Assessment VS IP54, dust/sand detention leads to high failure rate

26 Integrated Portfolio Development (IPD), a Proactive Approach to Ensure Reliability Safe & Reliable Requirement Concept Plan Design Test Release Life Cycle Product Customer Demand Customer Satisfaction Till Q3, 2016, over 500,000 inverters have been installed and connected to grid, failure rate is only 0.35%, much lower than the average. Page 25 HUAWEI TECHNOLOGIES CO., LTD.

27 Huawei Smart PV Achievement No.1 Inverter Shipment in 2015 in the world Almost all of the biggest PV plants are using Huawei Smart PV solution FusionSolar

28 19GW Global Order, 13GW Global Shipment in Q1~Q3, ,500 20,000 GW IHS: Global Inverter Shipment & Prediction Central String E 15,000 10,500 5,500 4, E Global Order Global Shipment Source: IHS

29 The Largest Smart PV Plant Worldwide, 1GW, Yanchi, Ningxia, China Page 28 HUAWEI TECHNOLOGIES CO., LTD.

30 700MW, The Largest Tracking System Smart PV Plant Ningxia, China Page 29 HUAWEI TECHNOLOGIES CO., LTD.

31 300MW,The Largest Smart PV Rooftop Plant Worldwide, Haining,Zhejiang,China

32 66MW Coastal Solar Farm in Monte Plata, Dominica

33 40MW, Ground-Mounted Smart PV Plant Cowndown, UK

34 30MW Smart Solar Farm Kuiburi,Thailand

35 Always Available for Highest Yields Higher Yields Smart O&M Safe Reliable Copyright 2015 Huawei Technologies Co., Ltd. All Rights Reserved. The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice. Page 34 HUAWEI TECHNOLOGIES CO., LTD.