Storing electricity in batteries: The experience of Toshiba with large batteries for electricity networks

Transcription

1 Environmental Management Seminar The Storage of Electricity Barcelona April 7, 2014 Storing electricity in batteries: The experience of Toshiba with large batteries for electricity networks Toshiaki Asano General Manager, Smart Grid Solution Center Toshiba Europe GmbH 2014 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 2014 Toshiba Corporation 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 2014 Toshiba Corporation 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: ref1001.html 2014 Toshiba Corporation 4

5 Issues for Large-scale Renewable Integration Output Instability of Renewable Generation Photovoltaic (PV) Generation Wind Turbine Generation 2014 Toshiba Corporation 5

6 Issues for Large-scale Renewable Integration Power Fluctuation Suppression Surplus Power Management Transmission Capacity Enhancement 2014 Toshiba Corporation 6

7 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 Transmission Network Enhancement Demonstration Project for Wind Power Generation (by METI) 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 2014 Toshiba Corporation 7

8 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 2014 Toshiba Corporation 8

9 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 Toshiba Corporation 9

10 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 Usable with high current High E ective Capacity High amount of actual usable energy over a wide range of SOC Low Temperature Operation Usable in extremely cold environments (-30 C) Battery Panel(24kWh) (connect up to 160panels) Flexible Configuration Battery system SCiB : Rechargeable Battery Super Charge ion Battery SOC : State of Charge Larger-scaled Containerized 2014 Toshiba Corporation 10

11 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 2014 Toshiba Corporation 11

12 Features of SCiB TM (Long Life) Cycle Life Characteristics Conventional Li-ion Measurement continuing O -peak charge and on-peak discharge per day * 20 years = 7,300 cycles < 10,000 cycles. Cf. [EPRI s Assumption] Battery Replacement Period: 5 years for Li-io 2014 Toshiba Corporation 12

13 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 2014 Toshiba Corporation 13

14 Battery Energy Storage Applications Renewable Integration Frequency Regulation (FR) Peak Management Distribution Power Quality EV-Charging Support Commercial & Industrial Use Home Use 2014 Toshiba Corporation 14

15 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 2014 Toshiba Corporation 15

16 Battery Energy Storage System for ACEA SpA., Italy (ACEA: Italy s power and water supply public utility) TOSHIBA delivered a smart grid system for ACEA SpA. at Ra nerie substation, Rome, Italy. Operation started on 12/31/2011 The system is capable of charging EVs with PV-generated power and suppression of PV power fluctuations using SCiB TM based battery energy storage system. Battery (SCiB TM ) EV BESS EV Charger PCS Controller 10kW-45kWh BESS Transporting containerized BESS Installation at site Toshiba Corporation 16

17 System Configuration for ACEA system PV EV Charger Power line Information line BESS The result of field test is expected to contribute to the full-scale deployment of renewable energy sources and EVs in Rome Toshiba Corporation 17

18 Field test data from ACEA system kw 8 6 PV output EV charging Start EV charging End EV Charger -2 BESS -4 (+: discharge; : charge) PV stop PV restart -6 10:30:00 10:40:00 10:50:00 11:00:00 11:10:00 11:20:00 11:30:00 Using Battery Energy Storage System, - Power flow at the interconnection point can be managed. - EV charging is possible without grid enhancement Toshiba Corporation 18

19 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 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) 2014 Toshiba Corporation 19

20 Yokohama Smart City Project (YSCP) Active Power (kw) Test operation results Test Operation for PJM FR case Discharge Charge Commissioned October kW-100kWh for Balancing Demand and Supply Battery SCADA Control Installation Battery Panel PCS Battery Energy Storage System (BESS) Basic configuration of MW-class BESS for FR YSCP: Yokohama Smart City Project 2014 Toshiba Corporation 20

21 Battery Energy Storage System for Peak Shifting 100kW-300kW Battery Energy Storage System at Energy Use R&D Center, The Kansai Electric Power Co., Inc. Commissioned in August 2013 for field demonstration Largest-class lithium-ion BESS for demand-side use cases in Japan E ciency, life, and safety are to be examined through the field operation r e w o p e rg a h c is /D e rg a h C [kw] Charge (75kW) 7:00 For Peak-shifting operation State of Charge (SOC) Discharge (100kW) Standby 13:00 90 [%] For emergency use Evaluation period for efficiency calculation C O S Appearance of the system Total e ciency: 87.1%(*) for the peak-shifting operation in the factory test (*): Measured at the AC side, considering axially energy consumptions, during the period of charge (o -peak time), standby, and discharge (peak time) 2014 Toshiba Corporation 21

22 Large-scale Battery Energy Storage System For Renewable Integration on Remote Islands Tanegashima Island 3000kW 1161kWh Amami-oshima Island 2000kW 774kWh Toshiba s first over-megawatt battery energy storage systems commissioned March Toshiba Corporation 22

23 Large-scale Battery Energy Storage System 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 2014 Toshiba Corporation 23

24 Concluding Remarks Large-scale Renewable Integration Widespread Deployment of Battery Energy Storage Systems Cost Reduction by Technologies Manufacturers Accereration Applications Development Users Incentives by Policy Action Governments 2014 Toshiba Corporation 24

25 2014 Toshiba Corporation 25