Battery Energy Storage Systems for Maximizing Renewable Energy Introduction: Approaches and Cases in Japan

Transcription

1 U.S.-Japan Renewable Energy Policy Business Roundtable December 11, 2013 Battery Energy Storage Systems for Maximizing Renewable Energy Introduction: Approaches and Cases in Japan Kikuo TAKAGI Technology Executive, T&D Power systems Social Infrastructure Systems Company Toshiba Corporation

2 Contents 1. Large-scale Renewable Integration Issues and Governmental Support Actions in Japan 2. SCiB TM the Latest Li-ion Battery Technologies 3. Field Applications 2

3 Contents 1. Large-scale Renewable Integration Issues and Governmental Support Actions in Japan 2. SCiB TM the Latest Li-ion Battery Technologies 3. Field Applications 3

4 Importance of Renewable Energy in Japan Renewable Energy: Contributes to solving global warning Reduces import dependency through energy diversification (energy security) Contributes to creating new industries and jobs However, the introduction of renewable energy systems always involves issues such as output instability, high costs, and site constraints. Reference: 4

5 Issues for Large-scale Renewable Integration Power Fluctuation Suppression Surplus Power Management Transmission Capacity Enhancement 5

6 Governmental Support Actions 1. FY2012 Large-scale Storage Battery System Demonstration Project (by METI) Hokkaido Electric Power Co. and Sumitomo Electric Industries: 15MW-60MWh Redox Flow Battery Tohoku Electric Power Co.: 40MW-20MWh Li-ion Battery 2. Transmission Network Enhancement Demonstration Project for Wind Power Generation (by METI) 3. Development of Large Scale Energy Storage System with High-safety (by NEDO) Battery Energy Storage is a key technology for the renewable energy introduction to the grids METI: Minister of Economy, Trade and Industry NEDO: New Energy and Industrial Technology Development Organization 6

7 Contents 1. Large-scale Renewable Integration Issues and Governmental Support Actions in Japan 2. SCiB TM the Latest Li-ion Battery Technologies 3. Field Applications 7

8 Battery Types by Chemistry Primary Batteries Secondary Batteries Used once and disposable Rechargeable Lead-acid Nickel-metal Hydride (Ni-MH) Lithium-ion (LIB) mainly for power use Sodium Sulfur (NAS) Redox Flow mainly for energy use SCiB is Toshiba's rechargeable lithium-ion battery with superb features. 8

9 SCiB TM Toshiba s Lithium-ion Battery Excellent features are realized by using Lithium Titanate Oxide (LTO) in its anode Features of SCiB TM Battery Energy Storage System Long Life Over 10,000 chargedischarge cycles Safe Lower possibility of rupturing or ignition even under extreme conditions Rapid Recharging Recharges in approx. 6 minutes 20Ah SCiB TM Battery Cell SCiB TM Module 500kW PCS High Input & Output Low Temperature Operation Flexible Configuration Usable with high current High Effective Capacity High amount of actual usable energy over a wide range of SOC Usable in extremely cold environments (-30 C) Battery Panel(24kWh) (connect up to 160panels) Battery system SCiB : Rechargeable Battery Super Charge ion Battery SOC : State of Charge Larger-scaled Containerized 9

10 Features of SCiB TM (Highlights) Inherent Safety A high level of safety in preventing thermal runaway is assured even if an internal short circuit is forced. SCiB TM Crush test results No rupture or ignition! Cycle Life Characteristics Exceptional long life can reduce users running cost long life of more than 10,000 charge-discharge cycles 10

11 Contents 1. Large-scale Renewable Integration Issues and Governmental Support Actions in Japan 2. SCiB TM the Latest Li-ion Battery Technologies 3. Field Applications 11

12 Battery Energy Storage Applications Renewable Integration Frequency Regulation (FR) Peak Management Distribution Power Quality EV-Charging Support Commercial & Industrial Use Home Use 12

13 Battery Energy Storage Applications Fluctuation suppression for PV output Renewable Integration Frequency Regulation Frequency Regulation (FR) Larger-scaled for Substations Load Shifting Peak Management Distribution Grid Stabilization Distribution Power Quality Building Use with BEMS Commercial & Industrial Use Home Use with Fuel Cell and PV Home Use EV Charger Support EV-Charging Support 13

14 Active Power (kw) Yokohama Smart City Project (YSCP) Discharge Charge Test operation results 300kW-100kWh METI Funded for Balancing Demand and Supply Battery SCADA Control Battery Panel PCS Installation Battery Energy Storage System (BESS) Basic configuration of MW-class BESS for FR YSCP: Yokohama Smart City Project 14

15 Plug-In Ecosystem Project for Simon Mall, US Integrated Operation of PV, EV charging and BESS Project Started Feb 1 st, kW-42kWh SCiB TM DOE Funded Simon Terrace, Indiana, US PV energy stored in BESS are used to EVs, without drawing on the distribution grid with Energy System Network (US), Duke Energy (US), Simon Property Group (US), and Itochu Corp (JP) 15

16 Large-scale Battery Energy Storage System METI Funded Nishi-Sendai Substation, Tohoku Electric Power Co. Construction started on November 25, 2013 All construction work completed by February 2015 Planed 3-years Demonstration by March 2018 The World s Largest Power Rating of 40MW-20MWh using SCiB TM for Frequency Regulation 16

17 Concluding Remarks Large-scale Renewable Integration Widespread Deployment of Battery Energy Storage Systems Cost Reduction by Technologies Manufacturers Accereration Incentives by Policy Action Applications Development Users Governments 17

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