Battery Energy Storage for Increasing Renewable Energy
２０１５
ＮＧＫ ＩＮＳＵＬＡＴＯＲＳ, ＬＴＤ.
1
ＮＧＫ Ｃｏｒｐｏｒａｔｅ ｐｒｏｆｉｌｅ
Company Name
Date of Establishment
NGK INSULATORS, LTD.
May 5, 1919
Paid-in Capital
US 700 Million Dollar
Annual Sales
US 2,530 Million Dollar
Annual Operating Profit
US
210 Million Dollar
Representative Directors
T. OSHIMA
Number of Employees
Consolidated Subsidiaries
(President)
3,426 (non-consolidated)
13,159 (consolidated)
54 companies
As of March 31, 2013
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Ｍａｉｎ Ｐｒｏｄｕｃｔｓ
Power
Business
Ceramic
Products
Business
Electronics
Business
Ceramic components for semiconductor
manufacturing
The ceramic heaters, E-Chuck etc.
A ceramic catalyst carrier, is an essential
component for exhaust gas purification
Roller Hearth Kiln
Berylium copper
Microceramic actuators
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Structure of NAS Battery
NAS Battery = Sodium（Na)＋Sulfur（S） Battery
NAS Battery
System
Battery
Cell
Battery Module
Sodium
(Na)
Battery Cell
- +
Fuse
Module Case
Main Pole
Heater
Enclosure
Sulfur (S)
Ceramic
tube
Discharge
NAS Battery Principle
・Type
：Rechargeable battery
・Operating Temperature： 300～340℃
・Electrode
:Sulfur(+) ,Sodium(-)
・Electrolyte
: Beta Alumina Ceramics
Charge
－
＋
Discharge
Sodium
Na ion
Sulfur
Charge
Cathode
（Sodium）
2Na + xS
Ｅｌｅｃｔｒolyｔｅ
（β－Alumina）
Anode
（Ｓｕｌｆｕｒ）
Na2Sx （Voltage: App. 2V）
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EPRI Comparison* of Energy Storage Technologies
*“Electricity Energy Storage Technology Options: System Cost Benchmarking”, IPHE Workshop on Hydrogen;
Seville, Spain; 15-16 November 2012; Dan Rastler, Electric Power Research Institute
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Installation Record of NAS Battery
■ Installation Records
: Over 300MW/2160MWh
■ Site Record
: Over 170 Sites
■ Maximum Installation Site : 34MW/245MWh
Installation Records
Accumulative by Year, x10MW
R&D Stage
(1984-2001)
Application Type , x10MW
After
Industrialization
(2002-)
Peak cut
(Load
Leveling)
Emergency
Power
+Peak cut
Stand-by Renewables
Power
+Peak cut
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ＮＡＳ Ｂａｔｔｅｒｙ Ａｒｏｕｎｄ ｔｈｅ Ｗｏｒｌｄ
Ｔｏｔａｌ ４５０ ＭＷ/３,０００ ＭＷｈ
Ｄｏｍｅｓｔｉｃ ２８０ ＭＷ, Ｏｖｅｒｓｅａｓ １７０ＭＷ (ａｓ ｏｆ June. ２０１４）
Ｇｅｒｍａｎｙ
ＵＳＡ ＭＮ
Ｗｉｎｄ ０.８ＭＷ
Ｇｅｒｍａｎｙ
Ｓｏｌａｒ １ＭＷ
Ｉｔａｌｙ
Ｗｉｎｄ （３５ＭＷ～）
Ｗｉｎｄ １ＭＷ
Ｊａｐａｎ
２７０ＭＷ
Ｃａｎａｄａ ＢＣ
１ＭＷ
ＵＳＡ ＣＡ
７ＭＷ
ＵＳＡ ＮM
１ＭＷ
ＵＡＥ
４８ＭＷ（＋６０ＭＷ）
ＵＳＡ ＴＸ
４ＭＷ
ＵＳＡ ＷＶ, IN, OH
７ＭＷ
Ｆｒｅｎｃｈ Ｔｅｒｒｉｔｏｒｙ
Ｓｏｌａｒ １ＭＷ
（ ） ｔｏ ｂｅ ｃｏｎｓｔｒｕｃｔｅｄ．
Ｌｏａｄ Ｌｅｖｅｌｉｎｇ
Ｒｅｎｅｗａｂｌｅｓ （Ｗｉｎｄ，Ｓｏｌａｒ）
Ａｎｃｉｌｌａｒｙ & Renewables
Ｍｉｃｒｏ Ｇｒｉｄ
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Ｃｏｍｐａｒｉｓｏｎ ｏｆ Ｂａｔｔｅｒｙ Ｔｅｃｈｎｏｌｏｇｉｅｓ
¾ NAS can discharge for Long Hours (6 hours). - LARGE CAPACITY
¾ NAS can configure Large Scale system (several 10 MW ) - HIGH POWER
¾ NAS expects 4500 cycles ( 15 year- 300 cycles per year )
System
size
Li-ion
［MW］ （Stationary）
100
ＮＡＳ
Discharge : 6 hours
System Size: ～100MW
10 10
1
1
Redox Flow
Lead acid
0.10.1
Ｎｉ-Ｈ
１ x 0.01
10-2
１x0.001
10-3 0
（for mobile , PC)
０
2
２
Li- ion
（for EV）
4
４
6
６
Discharge time ［hr］
Power Intensive
８8
Energy Intensive
8
Peak Cut (LL: Load Leveling)
■For Customer
: Electricity fee saving
(Factory/Office)
- Reduce maximum demand
- Reduce peak time use by charged power at night
■For Power supplier : Investment deferral by load leveling
Maximum Demand
Reduce maximum
demand
Power supply
（Daily load curve ）
Discharge from battery
Charge to battery
【Example】 1,000kW/7,200kWh NAS system for
Sewerage treatment equipment in Tokyo
■Field Example
- In Japan(Maximum size at one site)
: 140MW / 1,000MW (12MW / 86MWh)
- In USA and Canada(AEP,NYPA,BC Hydro）
:
20MW / 144MWh
- EDF Reunion Inland
:
1MW / 7MWh
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NAS Battery Installations in North America
More than ２０ＭＷ of ＮＡＳ Battery Systems were installed in North America .
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Renewable Energy Applications
Shifting a firm capacity to higher demand period
＋
Time shift
Smoothing and
Time shifting by NAS
＋
： Charge
： Discharge
Flat Operation
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Ｗｉｎｄ Ｔｕｒｂｉｎｅ Ａｐｐｌｉｃａｔｉｏｎ ｉｎ Ｊａｐａｎ
JAPAN WIND DEVELOPMENT CO., LTD.(JWD) started the first commercial
“Wind and NAS Battery Hybrid System” operation since August 1st, 2008.
34 MW NAS Battery System
2MW battery unit x 17 sets
- 34 units of
1.5 MW wind turbines
82 m
33.5 m
Rokkashomura Futamata Wind Farm in Japan
¾ Wind turbine : ５１ＭＷ
¾ NAS battery : ３４ＭＷ
NAS Battery
PCS Building
Control Building
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Solar PV hybrid project : Wakkanai Hokkaidou
1.5MW NAS Battery at a 5 MW Solar PV Project
Financed by NEDO (New Energy and Industrial Technology Development Organization)
Project Size:
Solar Panel:
5MW
NAS Battery:
1.5MW
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Ｍｉｙａｋｏｊｉｍａ Ｉｓｌａｎｄ / Ｓｍａｒｔ Ｇｒｉｄ
- PV & Wind Firms with NAS BatteryPurpose：
•To demonstrate and test grid stabilization devices such as the NAS
battery when PV & Wind generators are connected to the grid.
PV
：4MW (Area :
Wind ：4.2MW (0.9MW x 4units + 0.6MW x1 unit)
Battery ：NAS battery 4MW
(0.5MW x 8 units)
Li-Ion battery 0.2MWh (8kWh x 25 units)
Existing ：DG 61.5MW + Gas-turbine 15 MW
Operating from Oct., 2010.
45,000m2)
Wind 0.9MW
PV 4MW
DG
40MW
Gas-t 15MW
Wind 2.4MW
(0.9MWx2+0.6MW)
Miyakojima Isl.
DG 21.5MW
Wind 1.8MW(0.9MWx2)
NAS
4MW
Miyakojima Island
NAS 4MW
PCS for NAS
4MW
22 kV
NAS: 4
MW
Wind 0.9MW
PV
３MW
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PV: １MW +
LIB：0.2MWh
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70 MW( 420MWh) NAS Project for TERNA Italy
35MW ( 210MWh) are under installation in Southern Italy
12MW x 2 and 11 MW will be operated
by the middle of summer , 2015
Milan
Rome
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„
Thanks a lots
Tom Mizutani ( [email protected] )
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