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MAY 29 2013 CHUNG JIN HEUNG 1 BYUCKSAN
MAY 29 2013 CHUNG JIN HEUNG BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN ENGINEERING CO.,LTD. 1 CO.,LTD. BYUCKSAN BYUCKSANPOWER POWER CO.,LTD. Ⅰ. The Sustainable Energy Ⅱ. Technological Advances Ⅲ. Challenges in renewable energy Ⅳ. Smart Grid in Korea Ⅴ. Business case of Byucksan Power Ⅵ. Conclusion BYUCKSAN ENGINEERING CO.,LTD. 2 BYUCKSAN POWER CO.,LTD. I. Sustainable Energy • What is sustainable energy? ⇒ provision of energy meeting the present without compromising the ability of future generations to meet their own needs needs ⇒ renewable energy & energy efficiency Twin pillars of sustainable energy ⇒ balancing replenishing and clean environment BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. I. Sustainable Energy • Renewable Energy Biomass power plant Solar photovoltaic power BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. I. Sustainable Energy • Renewable Energy Tidal power plant Hydro power plant BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. I. Sustainable Energy • Renewable Energy Wind power Geothermal power BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. I. Sustainable Energy • Renewable Energy Stand-alone wind power Wave power BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. I. Sustainable Energy • Energy efficiency - One of Twin pillars in Sustainable Energy - Energy Star - Smart-grid technology BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. II. Technological Advances • • • • • Artificial photosynthesis(MIT) Dye-sensitized solar cell(DSSC) Direct driven wind turbines(GE) Aerodynamic blade(Siemens) Fuel cell BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. III. Challenges in Renewable Energy • Elements to get investor’s confidence ensured • Regulatory and infrastructure frameworks • Experience in planning bodies; Lacks in Communication and idea adjustment • Developing vs. renewable energy increase • More time required for advanced technology’s realization, and more ??? BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. Ⅰ. The Changing Environment of EPI Ⅱ. What is Smart Grid? Ⅲ. Smart Grid Policy and Vision Ⅳ. Jeju Smart Grid Test Bed Ⅴ. Expected Effect Ⅵ. Proposal for global energy Ⅶ. Proposal for global energy BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 11 Ⅰ. Environment Changes of the Electric Power Industry BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 12 Power Quality Improvement Saturation Voltage C/R Frequency C/R Cost increasing compared to the effects of power quality improvement SAIDI Slowed Limits of Power Systems Interconnection Operating by Separated System SCAD A •Monitoring transmission line •Substation equipment monitoring, protection, control DAS • Monitoring distribution, remote control • Voltage management, • protective coordination AMR • Automation Meter Reading • Measurements of customer voltage • Increasing renewable sources • Power equipment deterioration • Difficulty to expansion • Necessity of integrated system Renewable Gen. S/ S S/ S SCADA G/A G/A DAS 고객 AMR Integrated BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 13 Accelerate the Expansion of the Renewable Power Source (‘12. 6) Northern Seoul Eastern Seoul Difficulty to response as the existing system Renewable Fuel Cells 2,400kW Guri Bio 1,065kW Hwasung S/S Geo. Heatpump 5kW Gang-won GA Loa d Small Wind 2.4kW Gang-neung SCADA PV 3,000kW GA ADAS AMR Wind Farm 9,8000kW BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 14 Government SG Policies and Investment Need to secure appropriate SG technologies and products to follow government plan - Intelligent Transmission - Digital Substation - Intelligent Distribution Power Grid Operation Management System Completion of Integrated Intelligent Platform for Power Operation Systems BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 15 Ⅱ. What is Smart Grid? BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 16 USA(DOE) EU(ETP) Modern power grid making generation and T&D systems more efficiently, economically and reliably by using advanced diagnosis, communication, and control technologies The next-generation power grid operated more efficiently and reliably by incorporating all users connected to grid(power producers, transmission and distribution service providers, customers, smart appliances etc.) The way to supplying power to customers by using Digital WIKIPEDIA KOREA (Ministry of Trade Industry & Energy) Technologies The power grid supplying high quality electricity to customer and maximizing energy use efficiency through advanced and intelligent power grid using power and ICT technologies * ETP : European Technology Platform forum BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 17 Intelligent 1 Transmission Intelligent 2 Distribution New Elec. 3 Service Elements 4 1 ICT/Information Security 4 Digital Substation 2 Photovoltaic Power Plant 3 Charging Infra Storage Device Building Nuclear DAS FACTS Substation Substation Factory AMI Thermal Smart home IHD Smart Meter Large Scale Distributed Generation SCADA Distributed GenerationMicro ESS grid Smart Thermostat Smart Appliance BYUCKSAN ENGINEERING CO.,LTD. 18 BYUCKSAN POWER CO.,LTD. Present Future Smart Grid SelfSelf-healing Storage Devices Grid Automation Customer participation Distributed Energy Resources Optimization Outage prevention Smart Home Integrated network Information security • Centralized generation (Large-scale Generation using fossil fuel) Smart Building EVs Smart Smart Appliance In--home Display In Heating & Cooling • Centralized & distributed generation (Expansion of renewable energy) • One-way power & information flow • Two-way power & information flow • Supplier-oriented facility operation • Customer participation in facility operation BYUCKSAN ENGINEERING CO.,LTD. 19 BYUCKSAN POWER CO.,LTD. Prevention of Global Warming Mandatory Reduction of CO2 Harmony of Power & Environment Progress Toward Advanced Information Oriented Society Increase Demand for High Quality Power Supply Aging of Power Facilities Introduced at the Beginning of Industrialization Advance to Global Market with Performance of “Power IT” Time to Replace Secure Reference CO.,LTD. BYUCKSAN ENGINEERING20 BYUCKSAN POWER CO.,LTD. Changes of External Environment - Increase of Power Consumption BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 21 Environmental Changes - Increase of CO2 Emission (IEA, UN, SIEMENS, 2006) BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 22 Examples of Environmental Changes - Upsala Glaciers of Patagonia in Argentina <Green Peace Released> Upsala Glaciers covered with iceberg in 1928 Upsala Glaciers turned into lake in 2004 BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 23 Ⅲ. Smart Grid Vision BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. The government announced its National Energy Master Plan in 2008 for low-carbon green growth - National energy efficiency will be improved 46% (annual average 2.6%) until 2030 due to energy demand management The share of renewable and nuclear energy will be increased from 17% in 2007 to about 40% in 2030 Target of Energy Source Mixture 241 million TOE (2007) 300 million TOE (2030) BYUCKSAN ENGINEERING CO.,LTD. 25 BYUCKSAN POWER CO.,LTD. Low Carbon, Green Growth Society Vision Nationwide SG Target Smart Grid City Metropolitan SG 2030 2020 2014 Strategic Direction (Country) Enhancing Energy Efficiency and Cutting CO2 Emission (Enterprise) New Growth and Export Engine (Individual) Improvement in Quality of Life Smart Grid Category Smart Power Grid Smart Customer Smart Transport Smart Renewabl e Smart Elec. Service BYUCKSAN ENGINEERING CO.,LTD. 26 BYUCKSAN POWER CO.,LTD. Vision Renewable Energy: 10% Cost Reduction: 3 billion dollars Target Strategic Direction Strategic Item Peak Reduction & Load Leveling Expansion of Renewable Energy Intelligent Power Grid 1 Energy efficiency on the basis of AMI, DR 3 2 Peak shaving using large-scale battery 4 Intelligent power grid (T&D) 5 Integrated SG operation system 6 13/31 Stablization of renewable energy output Power generation forecasting system Standardization & Security for SG 7 8 Global Smart Grid Standardizatio n SG security Infra. Creating New Growth Engine for Future 9 10 Embracing EV, electric energy house Global market penetration strategy BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. KOREA KEPCO VISION Low Carbon, Green Growth Society VISION Creation of a New Growth Engine TARGET TARGET Smart Grid City (‘14) Metropolitan SG(‘20) Nationwide SG(‘30) Renewable Energy : 10% Cost Reduction: US$ 3 bn Vision & Target Smart Meter deployment (%) SAIDI (min) 100 1,000 10 6.0 11.0 8 8.0 86 7.0 13 ’20 ’ 30 ’12 ’20 ’20 2 13 5.0 ’11 Renewable Energy(%) EV (Thousand) Demand Reduction (%) ’ 30 ’13 ’15 ’20 ’12 ’20 ’ 30 BYUCKSAN ENGINEERING CO.,LTD. 28 BYUCKSAN POWER CO.,LTD. Ⅳ. Jeju Smart Grid Test Bed BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. Goal To Develop Smart Grid into the Business Model and the Export-Oriented Industry Period Dec, 2009 ~ May, 2013 (42 months) Budget About 240 million dollars Scale s.korea Jeju 2 Substations, 4 Distribution Lines, Around 6,000 Households JEJU Island 5 sub-projects of Smart Grid Smart Power Grid Smart Customer Smart Transportation Smart Renewable Smart Elec. Service • Real-time monitoring & control for intelligent T&D power system • Enhancing energy efficiency through demand response • Two-way information exchange between consumers and suppliers • EV charging infrastructure • Control center for charging infrastructure • Connection of renewable energy to the grid • Power quality compensation & stablization of output • Development of various tariffs and service models BYUCKSAN ENGINEERING CO.,LTD. 30 BYUCKSAN POWER CO.,LTD. Smart Place • AMI : 570 - demo house : 4 • PV, WT : 22ea(240kW) • Battery : 20kWh KEPCO Power Grid 154kV / 22.9kV / 220, 380V Intelligent Trans. & Substation • 154kV T/L, 2 Substation • Real time T/S monitoring sys. - Tower & Line sensor : 3set - IEDs for T/L, M.tr, GIS, D/L Smart Renewable Smart Transportation • Power source - WT 660kW, 750kW(legacy) • STAT. 1MVA, BAT(Li) 250kWh, PCS 800kW, etc • FSEV (Hyundai Blueon) : 10 • Charging Station : 12 - Fast : 14, Slow : 22, Noncontact : 4 TOC Intelligent DAS • Feeder : 4 D/L • Facilities monitoring & control - Fault prediction, self healing - Lightning & Leakage current measurement PGOMS • Power Grid Integrated operation & management sys. - ADAS, SCADA, Digital S/S • Smart Grid Total application • Total Operation Center - data integration & mgt. - Cyber Power Market - real time pricing signal BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. BYUCKSAN ENGINEERING CO.,LTD. 32 BYUCKSAN POWER CO.,LTD. Self-Healing Demand Response Renewable Energy Micro Grid Smart Grid Smart Appliance AMI Digital Substation Intelligent Transmission Jeju Test-bed Current Grid DAS SCADA EMS PTR Monitoring NDIS DSM FACTS Renewable Smart Facility Smart Distribution Electricity Storage EVs Power Storage Devices DC Distribution BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. Target To monitor power statement and prevent faults of power facility To enlarge the capacity of transmission line through real time calculation based on conduction temperature Testing Facilities 5 Sensors (Solar radiation, Wind direction/velocity, Ambient temperature, Current, Line temperature, Dip), 1 OS BYUCKSAN ENGINEERING CO.,LTD. 34 BYUCKSAN POWER CO.,LTD. BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. HMI BYUCKSAN ENGINEERING CO.,LTD. 36 BYUCKSAN POWER CO.,LTD. Target Testing Facilities Reduction of fault and introduction of international standard protocol IEDs (3 kinds 26 sets for 154kV T/L, M.Tr and 23kV GIS) * IED: Intelligent Electronic Device BYUCKSAN ENGINEERING CO.,LTD. 37 BYUCKSAN POWER CO.,LTD. Main System Protection and Control IED for 25.Kv GIS Protection and Control IED for M.Tr Protection and Control IED for 170kV GIS BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. Target Testing Facilities To monitor DG & power quality of distribution lines and detect bi-directional fault current Intelligent Re-closer, S/W, Lightning & Arrester Monitoring unit , DG Interface BYUCKSAN ENGINEERING CO.,LTD. 39 BYUCKSAN POWER CO.,LTD. BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. DAS FRTU Control device ADAS BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. Monitoring the lightning and leakage currents of lightning arrester Detection Sensor of Lightning Sending the data to main server and analysis data Detection Sensor of Lightning Cable for Leakage Current of LA Remote Terminal Unit BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. • Goal : To develop the optimal service model for Smart Place (Customer) • Facility : Smart meters, IHD, smart appliances, renewable energy resources were installed in the test-bed customers house • Operation : Remote meter reading, demand response, TOU, and RTP TOC HAN NAN WAN Renewable Energy VPN agent DCU Smart Meter EMS Intelligent S/W IHD Platform TRS, Wibro Communication Network F/W Data Collector PLC RTP Info Building PLC DCU Energy Intelligent storage Appliances Water Meter Data Collector IHD VPN agent EV charger Smart Meter Water Meter BYUCKSAN ENGINEERING CO.,LTD. 43 BYUCKSAN POWER CO.,LTD. Information about Incentives for Reduction of Carbon Emissions Energy Savings Consulting for Smart Consumption Co2 E M I S S I O N S I N F O C O N S U L T I N G I N F O BYUCKSAN ENGINEERING CO.,LTD. 44 BYUCKSAN POWER CO.,LTD. HEMS’s Display History of Electric Charge Energy Monitoring Control Appliances Jeju Education Ministry PR Center BEMS’ Display Factory BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. PV 3kW, ESS 18kWh (Heangwon) PV 6kW, WT 1kW, ESS 18kWh EV Charging (Songdang Office) PV 6kW, WT 4kW, EV Charging (Songdang E.School) PV 3kW, WT 3kW, ESS 6kWh EV Charging (Handong Office) BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. Overview Goal Participants Construction of charging infrastructure to expand EV deployment To find optimal business models for EV operation 22 Companies including KEPCO, LG, SK, Hyundai Components Power Grid Power , Protection EVs Charging Infrastructure Charging Station Stand Meter EV identification Charging, metering Monitoring, Control * CIM : Customer Information Management CIM Power Quality Customer, Billing Operation System DC Distribution, PLC ICT Additional Service Remote O&M Standardization Charging Infrastructure is the overall system to supply electricity with EVs, and is composed of Charging Station, Power Grid, O&M System, CIM systems, etc. BYUCKSAN ENGINEERING CO.,LTD. 47 BYUCKSAN POWER CO.,LTD. Quick-Charger Charging Stand AC DC Built-in Charger 7.7 kW Battery 50 kW • Method : built-in charger -> battery • Method : DC power supply -> battery • Supply voltage : AC 220V (35A] • Supply voltage : DC 450V (110A) • Charge capacity : 7.7kW • Charge capacity : 50kW • Charging time : within 6 ~ 8 hours • Charging time : within 10 ~ 30 minutes ※ In Jeju Test-Bed, 160 charging equipments and 60 EVs are deployed for Test-Bed BYUCKSAN ENGINEERING CO.,LTD. 48 BYUCKSAN POWER CO.,LTD. Background : Charging at the low price time and then sending to grid at peak time, creating additional revenue to EVs owner model and reducing peak dema Outcomes Development of bi-directional quick charger for V2G and EV (’12. 3) - Installed 31㎾h battery - Possible to max 60min discharging using 31㎾ - Charging/Discharging control of charging UI Tested V2G which EV sends the electric power to power grid - Operation performance : 32 times, 96㎾h - Test location : KEPCO Jeju office - Discharge efficiency : 85% BYUCKSAN ENGINEERING CO.,LTD. 49 BYUCKSAN POWER CO.,LTD. Determine Charging Device Standard Charger Capacity & Voltage - High-speed : Capacity 50kW, 3 Phase 380V / DC 450V - Low-speed : Capacity 7.7kW, 1 Phase 220V Performance & Function of Charger - Efficiency : more than 90% Resistance : more than 5MΩ - Protection : Over Voltage / Current Protection etc Low-speed High-speed KEPCO’s Charger Standard EV Inlet & Charger Connector Structure - Low-speed 5-pin, High-speed 9-pin Type Interface and Protocol via Charger-BMS ☞ KEPCO-Hyundai Charger Model Standard Announce KEPCO Standard [‘10.4] BYUCKSAN ENGINEERING CO.,LTD. 50 BYUCKSAN POWER CO.,LTD. Introduce Smart Card : Fulfill at same time using one card Standardize Entry into EV Charging Station, Confirming Customer Charging Method(Full/kW/Price),Payment(Credit Card/Add up Fee) Entry Choose Charging method Recognize Choose Payment method Exit ☞ KEPCO ↔ Korean Smart Card Corp. Payment Agreement(‘10. 6) Charger HMI Development Recognize Choice Payment Complete BYUCKSAN ENGINEERING CO.,LTD. 51 BYUCKSAN POWER CO.,LTD. Overview To connect the DER with Power Grid and secure power quality by using energy storage devices and electric quality compensation devices Goal Participants 17 Companies including KEPCO, LG, SK, Byucksan Power DRIMS 1 2 1 TOC EM S Distributed Resource Integrated Management System DRIMS EMS S W DRIMS 2 5 STATCO M ,AVC Renewabl e PCS 3 Collection of Operation Info. / Control Electric Converter /Control 3 PCS 4 Battery/BMS Electric Storage / Management 4 BMS Battery • EMS : Energy Management System • STATCOM : STATic synchronous compensator • AVC : Automatic Var Compensator • PCS : Power Conditioning System • BMS : Battery Management System Power Grid STATCOM 5 Electric Quality Compensation BYUCKSAN ENGINEERING CO.,LTD. 52 BYUCKSAN POWER CO.,LTD. BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 53 Generation Output (Wind) Transmission Output (to grid) Battery Discharging Charge Discharge Battery Discharging/Charging Battery charging <‘11.12.23, 13:52∼14:38, Smoothing Control Test> BYUCKSAN ENGINEERING CO.,LTD. 54 BYUCKSAN POWER CO.,LTD. Generation Output (Wind) Transmission Output (to grid) Battery Discharging Battery Discharging/Charging <‘12.01.05, 15:02∼15:17 (15min), 500kW Constant Output Control Operation> Battery charging Analysis : Compared to EMS command within Output Regulation 1.6% Constant Output Control BYUCKSAN ENGINEERING CO.,LTD. 55 BYUCKSAN POWER CO.,LTD. Analysis : Voltage Regulation(1.4kV 0.27kV) 80% Reduction. Improve PQ BYUCKSAN ENGINEERING CO.,LTD. 56 BYUCKSAN POWER CO.,LTD. Overview Goal Participants Monitoring Test-bed Info TOC construction / Development of Next-generation Electricity Service Models KEPCO / KPX Performanc e Evaluation KEPCO Legacy New Customer InfoSys Sys Real-Time Price Operating Service Portal Info Analysis DR Market New Distribution Info Sys Outage Management Sys Meter Real Smart Place Time Tariff Smart Transportation Reading Operating Info Smart Renewable Info Service Center KPX Market Sys Domestic : 1 Day ago(CBP) Oversea : 1 Day ago, Real Time Price Power Grid BYUCKSAN ENGINEERING CO.,LTD. 57 BYUCKSAN POWER CO.,LTD. Diagram Smart Power Grid Smart E-Service Smart Renewable Smart Place PGOMS Intelligent Intelligent Transmissio Transmissio nn Digital Digital Substation Substation Intelligent Intelligent Distribution Distribution Smart Transport. Contents State Management : Test device status, System S/W and H/W status Grid Operation : Voltage management, Diagnosis equipment, Failure prediction Crisis Management : Natural disaster, Wide area fault etc Predict the trend : Predict demand and renewable energy power etc BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. Drive Factors Evaluate Present Status ANALYSIS Establish a Strategy Choose Projects Identify Opportunities & Benefits & Stakeholders Define Business Needs & Stakeholders Interest PLANNING Establish a Project Team IMPLEMENTATION Analyze Business & Functional Requirements & Stakeholder Expectation Management Design the System Optimize & Take Action of Stakeholder Management Integrate Evaluate Accomplishment Develop Technology OPERATION & MANAGEMENT EXPANSION Test & Demonstration Standardize Expansion Strategy & Stakeholder Review/Management BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 59 V. Expected Effect 60 60/25 Advanced Digital Information Technology Improvement of Reliability, Security Capability and Effectiveness Remote Monitoring and Diagnosis for Facilities Prediction and Prevention of Fault Real Time Two-Way Communication with Customers Increase Utilization of Renewable Energy Provide Demand Management & Optional Service CO2 Emission Reduction Prevention of Global Warming BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 61 EV Supply Renewabl e Energy Smart Grid Increase of Energy Efficiency Cost Reduction BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 62 VI. Proposal for global energy BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD. 63 One conceptual plan of a super grid linking renewable sources across North Africa, the Middle East and Europe. http://en.wikipedia.org One conceptual plan of a super grid http://www.japanfocus.org BYUCKSAN ENGINEERING CO.,LTD. 64 BYUCKSAN POWER CO.,LTD. V. Business case of Byucksan Power Sewage Water Treatment Plant CO.,LTD. BYUCKSAN ENGINEERING65 BYUCKSAN POWER CO.,LTD. V. Business case of Byucksan Power Plan for independent energy supply in the plant – Ministry of Environment 3 Phase(‘21 ~ ‘30) : Independent Energy Supply - Energy savings(2%), Solar energy(18%) 50% 2 Phase(‘16 ~ ‘20) : Independent Energy Supply 30% - Energy savings(2%), Solar energy(4.6%), Wind Power(5.4%) 1 Phase(‘10 ~ ‘15) : Independent Energy Supply - ADG Gas(16.4%), Small Hydro(0.6%) - Energy savings/Solar/Wind Power (1%) 18% CO.,LTD. BYUCKSAN ENGINEERING66 BYUCKSAN POWER CO.,LTD. V. Business case of Byucksan Power Busan Sewage Water Treatment Plant Owned by Busan city CO.,LTD. BYUCKSAN ENGINEERING67 BYUCKSAN POWER CO.,LTD. V. Business case of Byucksan Power <Fuel cell, Basics> <Busan Sewage Water Treatment plantfuel cell power plant, 1.2MW> CO.,LTD. BYUCKSAN ENGINEERING68 BYUCKSAN POWER CO.,LTD. V. Business case of Byucksan Power Fuel cell stack 1.2MW Fuel Cell Power Plant CO.,LTD. BYUCKSAN ENGINEERING69 BYUCKSAN POWER CO.,LTD. VI. Conclusion Harmony for next generation; Different resources and conditions Together of Asia and Pacific Right direction. CO.,LTD. BYUCKSAN ENGINEERING70 BYUCKSAN POWER CO.,LTD. BYUCKSAN ENGINEERING CO.,LTD. BYUCKSAN POWER CO.,LTD.