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Electrical Grids of the Future and the Role of Energy Storage ESIE, May 2019 BeijingMarkus MildnerExecutive Vice President Siemens ChinaRestricted © Siemens Ltd., China 2019 www.siemens.com.cn © Siemens Ltd. China 2019Page 2 Key Words from 2 sessions 2019from 19 SGCC representatives RenewablesSmart Grid Carbon NeutralRural Grid ModernizationHVDCUbiquitous Power Internet of Things Four Key Mega-trends in Energy System Interconnection Decentralization DigitalizationPage 3 www.siemens.com.cn© Siemens Ltd. China 2019Renewable © Siemens Ltd. China 2019Page 4 RenewablesChina will be powered mainly by renewables by 2030 Renewable energy will keep increasing furtherWindPhotovoltaics Hydro Biomass6,5122018 20309,543Source IHS Global Energy Scenarios dataset – Energy outlook to 20501.92018 20303.2 PVOther RenewablesWindNuclearHydroGasOilCoalTotal power generation of China in TWhPower generation capacity of China in TW © Siemens Ltd. China 2019Page 5 InterconnectionSiemens actively participates in the GEIGlobal Energy Interconnection China’s grid interconnections Source GEIDCO Whitepaper Source GEIDCO WhitepaperEfficient SustainableInter-connected © Siemens Ltd. China 2019Page 6 DecentralizationExample in Germany From central power plantsin 19901,000 to individual producers in 20171,600,000 © Siemens Ltd. China 2019Page 7 DigitalizationAmount of data in power utilities rapidly increases Source http//www.sgit.sgcc.com.cnSGCC -Ubiquitous Power Internet of Things Connected Devices 540 million Daily generated data 60TB RMB ¥40-60 billion 2025 1 billion 2030 2 billionMassive devices in the field TransformersDistribution Panels /Switchgears Overhead Lines/CablesSmart Meterings By beginning of 2019SGCC Estimated investment in 2019Forecast of connected devices © Siemens Ltd. China 2019Page 8 Different Storage Technologies for Different Applications –Hydrogen for Large-scale and Long-term Energy Storage 1 such as Ammonia, Methanol or others; 2 Compressed Air Energy Storage; 3 Li-Ion, NaS, Lead Acid, etc.DurationMinutesSecondsHoursWeeks 1 kW Power 100 kW 1 MW 10 MW 100 MW 1,000 MWHydrogen derived chemicals1Flywheel storage 1MW Flywheel, up to 100 MW TurbinesSuper capacitorFlow-Batteries PumpedHydro CAES2Batteries3Days TechnologyMechanicalElectricalElectrochemicalChemicalThermalHydrogen can be stored cost-effectively on a large scale. © Siemens Ltd. China 2019Page 9 Hydrogen from Renewables Enables Large Scale Long Term Storage and Sector Coupling IndustryMobility Energy Exports for different applicationsPhotovoltaicWind power PEM electrolysis GridstabilizationVolatile electricity generation Gridintegration Conversion/ storage ApplicationsH2generation © Siemens Ltd. China 2019Page 10 Fluence Focuses on 8 Primary Energy Storage Applications to Address the Full Spectrum of Customer Use Cases Energy Cost ControlCritical PowerGeneration EnhancementRenewable IntegrationTransmission Distribution Enhancement Frequency RegulationTRANSFORM YOUR NETWORK TRANSFORM YOUR GENERATION TRANSFORM YOUR ENERGY USE Microgrids IslandsCapacity Peak Power© Fluence Energy LLC. All Rights Reserved. © Siemens Ltd. China 2019Page 11 Fluence Proven Technology Platforms and Comprehensive Services © Fluence Energy LLC. All Rights Reserved. Built on a rock-solid foundation of 11 years of lessons learned in designing, deploying, and operating complete energy storage solutions for commercial industrial customers, utilities and developersTechnology PlatformsServices Advisory Analytics Financing Deployment Asset Lifecycle Education TrainingUnmatched dependability. Designed to evolve.Advancion®Lightning fast energy. Trusted for critical loads.Siestorage Maximum solar yield. Delivered when you want it.SunFlex Energy Storage™ © Siemens Ltd. China 2019Page 12 Siemens [POWER]³ Energy Storage SystemStore Renewable Energy at Home 1,580,000Household rooftop PV system installed in Germany at the end of 2016, according to the German Solar AssociationGlobal home storage will grow from 94.9MW2016 3773.3 MW2025 Source Navigant Research Usable capacity 3.3 – 19.8 kWh, 400V © Siemens Ltd. China 2019Page 13 Microgrids or Hybrid SystemsRight Mix of DER to provide Grid Stability and Energy Savings1 32 SimpsonPeak Demand20.3 MW Behind the Meter PV 0.95MWWind Park4 x 0.9MW InputDemand ProfileGeneration Asset ProfileTechnical RequirementsFuel and Oil PriceWeather Forecast OutputRecommended Energy MixCost Benefit AnalysisPerformance GuaranteesControl Strategy4 Energy Management Grid Control System CCPP2 x 5.23MW CT1 x 2.50MW STEnergy Storage4 x 2MW/4MWhDiesel Generators2 x 2MWUtility Scale PV12MW NewDiesel Generators20MW Existing Upgrade the level of Infrastructure Make the societybetter.