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The Current Status of
Atomic Energy Society and
Industry in Japan
Atomic Energy Society of Japan (AESJ)
Vice President
Takashi SAWADA
1
【1】 The Current Status of
Atomic Energy Society of Japan
【2】 Electric Utility Industry and
Nuclear Power in Japan
2
Atomic Energy Society of Japan
General Assembly
Secretariat
General Affairs Section,
Operations Section,
Codes and Standard Section,
Development Section
Local Branches
Auditors
Board of Directors
Adm. & Financial. Committee
Director Election Committee
Editorial Committee
Honorary Awards Committee
Hokkaido, Tohoku, Kita-Kanto,
Kanto-Koetsu, Chubu, Kansai,
Chugoku-Shikoku , Kyushu
AESJ Award Committee
Steering Committee
Planning Committee
Education Committee
Networks and Coordinating
Ethics Committee
Int’l Activities Committee
Public Relations Committee
Fellow Nomination Committee
Scholarship Committee
Gender-equal Committee
Standards Committee
Council of Branches
Foreign Professional Societies
Coordinating Committee,
Young Generation Network,
Student, Nuclear NonProliferation/Safeguard/Security,
Senior Network
Technical Committees
Research Committee,
Investigation Committee,
Special Committee
Program Organizing
Committee
Councilor Election
Administration Committee
Nuclear Symposium Steering
Committee
Technical Divisions
Reactor Physics, Fusion Engineering,
Nuclear Fuel, Nuclear Fuel Cycle and
Environment , Thermo Hydraulics, Radiation
Science and Technology, Human-Machine
System, Accelerators-Beams and their
Applications, Social and Environment,
Health Physics and Environment Science,
Nuclear Data, Materials Science and
Technology, Operation and Power Division,
Spent Fuel Reprocessing and Valuable
Nuclides’ Recycling, Comp.Science&Eng’g,
Water Chemistry, Nuclear Safety,
Advanced Reactor Division
3
Members of Local Branches
(Aug. 2010)
1
2
4
5
8
8
5
7 7 66
4 33
No.
Branch Name
Members
1
Hokkaido
171
2
Tohoku
428
3
Kita-Kanto
2104
4
Kanto-Koetsu
2939
5
Chubu
448
6
Kansai
1136
7
Chugoku-Shikoku
195
8
Kyushu
251
Total
7672
4
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Technical Divisions
Reactor Physics
Fusion Engineering
Nuclear Fuel
Nuclear Fuel Cycle &
Environment
Human-Machine System
Thermo Hydraulics
Radiation Science &
Technology
Accelerators-Beams &
their Applications
Social & Environment
Health Physics &
Environment Science
Nuclear Data
Materials Science &
Technology
Operation & Power
Division
Spent Fuel Reprocessing
& Valuable Nuclide's
Recycling
Conputational Science &
Engineering
Water Chemistry
Nuclear Safety
Advanced Reactor
Division
Total
Members
443
432
441
721
127
426
299
216
Members of Technical
Divisions / Networks and
Coordinating Committee
(Aug. 2010)
307
246
182
299
No.
639
1
2
444
3
250
210
487
257
5780
4
5
Networks & Coordinating
Committee
Senior Network
Student Network
Nuclear NonProliferation/Safeguard/
Security Coordinating
Committee
Forein Professional
Societies Coordinating
Committee
Yong Generation
Network
Total
Members
180
484
61
181
67
973
5
Plants
2-LOOP 3-LOOP 4-LOOP
Plants
History of AESJ and Industry in Japan
BWR2,3 BWR4 BWR5
ABWR
AESJ
Foundation
Monju Initial
Critical
Chernobyl
Accident
AESJ 50th
HTTR Initial Anniversary
Critical
TMI Accident
JCO Accident
(
Members
Tsuruga#1(BWR)
Mihama#1(PWR)
Commercial
Operation
JOYO Initial
Critical
人
・
社
Power (10×MW) ( KW)
JPDR First generation
万
)
Members
Power
Power
(years)
6
History of AESJ
Beginning Foundation
Period
Hokkaido &
Kyushu Branches
Kanto-Koetsu &
Kita-Kanto Branches
ChugokuShikoku Branch
Tohoku Branch
Chubu Branch
Members
Editorial Committee
PNC, INSC joining
J. Nucl. Sci. Tecnol.
(in English)
AESJ Awards
establishment
members
Trans. At. Eng. Soc. of
Japan(in Japanese)
Number of AESJ
office Staff
Technical Divisions/Networks &
Coordinating Committee
AESJ Organization management
・5 Committees establishment
Standards Committee
Japan-Korean Nuclear
Society agreement
AESJ 50th
Anniversary
Planning
Committee
Changing
AESJ Office Staff / Divisions, Committees
AESJ Foundation
Kansai Branch
Planning Committee
J. At. Eng. Soc. of
Japan(in Japanese)
Up coming from
now own
Development Period
7
Objective of our Society
Our purpose is to contribute to the
advancement of the peaceful use of
nuclear energy in the field of
academy and technology and to
support the communication and
interaction between our members
and the related academic
organizations worldwide.
8
Main Activities of AESJ (1/2)
1. Progress in Academic and Technology
Publish and Distribute Academic Journals to our Members and to Nuclear
Energy Related Associations
Journal of Nuclear Science and Technology (in English), Transactions of
the Atomic Energy Society of Japan(in Japanese), and Journal of the
Atomic Energy Society of Japan (in Japanese) are published in both
paper and online. Online Journals are open to the public from website.
Technical Divisions
18 technical divisions, such as “Reactor Physics”, “Fusion Engineering”,
so forth promote studies, spread information by distributing the newsletters, as well as by holding discussions on specific fields.
Technical Committees
Gather and exchange information, research and investigate on specific
themes such as “Nuclear Codes” and “Nuclear Power Plant Earthquake
Safety”.
9
Main Activities of AESJ (2/2)
2. Human Resource Management, Education Programs, Awards Nomination
Contributing to Government Education Program Committee, Research on
Nuclear Energy Education Programs in Universities, Produce Text Books for
Undergraduates, Encourage members by the AESJ Awards such as Atomic
Energy Historic Awards.
3. Dispatch Information towards Public
Position Statement, Press-Release, Information Exchanging Meeting with
Mass Media, Team 110.
4. Nuclear Codes and Standards
To state and produce the codes and standards related to nuclear energy,
and wide spread those codes and standards to the public. To organize the
lectures and courses. Effort to be endorsed by the government.
5. International Activities
We cooperate and support international conferences.
10
Principles for year 2010
Improve the value of our society through the yearly
activities
① To contribute to the development of the
innovative science & technology.
② To contribute to the proper management of
AESJ.
③ To promote public understandings by
dispatching accurate information
④ To spread the technology through making
nuclear standards.
⑤ To contribute to globalization by promoting
academic information exchanges.
11
Major Activities in year 2010 (1/2)
・ Symbiotic Relations between the Nuclear Energy and the
Nation and Local Society.
(Annual/Fall Mtg., Open School, Delivery Lessons,
Senior Network Activity)
・ Proposal towards Nuclear Policy
(Activate use of existing nuclear reactor, fuel development,
develop FBR new reactor, promote nuclear fuel cycle,
expansion of radiation usage, develop next generation of a
LWR, promotes the use of particle accelerator, human
resource development in nuclear field)
・ Dispatching Accurate and Exact Knowledge Information, and
Respond Quickly in Urgent Situation.
(Position statement, team 110, press-release)
12
Major Activities in year 2010 (2/2)
・ Activate the correspondence between the societies in
overseas.
(Especially in Asia)
・ Activate the Activities of Committees and Divisions.
(Brand new divisions are; “Water Chemistry (2007)”,
” Nuclear Nonproliferation, Safeguards, Nuclear
Security(2008)” , “Nuclear Safety (2008)”, “Advanced
Nuclear Reactor(2010)”)
・ Standard Making
(Stated: 28, Plan to state in year 2010: 6)
13
【1】 The Current Status of
Atomic Energy Society of Japan
【2】 Electric Utility Industry and
Nuclear Power in Japan
14
10 Electric Power Companies
System peak load : 178,995MW
Power sales: 888,935GWh
(As of March 31, 2009)
15
Fundamental Role of Electric Utilities (Simultaneous Achievement of 3Es)
It is the fundamental role of electric utilities to ensure stable supply of quality and
inexpensive electricity by simultaneously achieving the 3Es—“Energy Security,”
“Environmental Conservation,” and “Economy”—as set forth in the Basic Law on Energy
Policy.
Electric utilities will promote CO2 emission reduction measures to attain simultaneous
achievement of the 3Es, thereby contributing to building a low-carbon society.
→ It is important to appropriately take into account not only environmental aspects, but
also energy security and economy.
Stable supply of quality / affordable electricity to the customer
Energy security
Economy
Environmental
conservation
16
In Pursuit of the “Best Mix” of Energy Sources
Japan has a fragile energy supply-and-demand structure, with few natural resources, a low energy self-sufficiency
rate. To meet electricity demand that has been steadily increasing in these tens of years, continued action is taken
to ensure stable supply and deal with the problem of global warming through the “best mix,” by shifting the focus of
power source development from hydro through large-capacity thermal to nuclear power generation.
Changes in Percentage Distribution of Power Sources
of All Electric Power Companies (Generated Output Basis)
Percentage
of non-fossil
power
sources
To 50% in
2020
2019plan
Mainly hydro
supported by thermal
Manly thermal
supported by hydro
“Best mix” centering on nuclear
Source: Summary of Power Sources Development and others. Percentages for
FY2019 are based on the FY2010 supply plan.
17
Japan’s Nuclear Policy
It is very important for Japan to establish the nuclear fuel cycle project due to its poor energy selfsufficiency rate, so as to further improve the features of nuclear power generation and allow for a
long-term stable electricity supply.
For example, Japan has created basic policies to continue promoting nuclear power generation and to
steadily advance the nuclear fuel cycle.
Electric utilities are promoting the use of nuclear energy based on these basic policies.
<Basic Policies> Framework for Nuclear Energy Policy (approved by the Cabinet in October 2005)
○ It is aimed that nuclear power generation either maintain or increase the current
supplied energy level - 30 to 40% of the generated output - beyond 2030.
○ Utilization of materials such as plutonium and uranium recovered through spent
fuel reprocessing will be included in the basic policies.
○ Commercial adoption of the fast breeder reactor will begin in 2050.
<Concrete Measures> Nuclear Nation Establishment Plan (August 2006)
(1) Efforts to achieve a percentage of nuclear power generation at or greater than present levels over a medium
to long term.
(2) Steady promotion of the nuclear fuel cycle and strategic reinforcement of cycle-related tasks
(3) Early commercialization of the fast breeder reactor cycle
(4) Ensuring and developing robust technologies, industries, and human resources
(5) Support for international development of Japan’s nuclear industry
(6) Active involvement in the development of an international framework to expand nuclear power generation
and ensure nuclear non-proliferation
(7) Coexistence of nuclear energy and the general public / local community
(8) Steady promotion of radwaste measures
18
Initiatives to Promote Nuclear Power Generation
On the major premise of public acceptance and regional coexistence, all utilities efforts will be put into
maximizing the potential of existing nuclear power stations, promoting new plant construction and replacement,
and establishing the nuclear fuel cycle to achieve the goal of promoting nuclear power generation.
To contribute to maintaining and expanding the world’s nuclear energy, it is important to gain international trust
by continuing stable operation of domestic nuclear power stations. We will then make international contributions,
taking advantage of the features of Japan’s technologies.
Public Acceptance and Regional Coexistence
Understanding the necessity of nuclear energy, to realize stable energy supply and a low-carbon society
Utilizing existing nuclear power stations
Improving safety and reliability
Steady promotion of safe and stable operation
Improvements toward scientific and logical
regulations and systems
Smooth promotion of new
plant construction / addition
and replacement
Establishing the nuclear fuel cycle
Contributing to maintaining and expanding the world’s nuclear energy
International contributions taking advantage of the features of Japan’s technologies on the major premise of safe and stable operation
in Japan
19
Utilizing existing nuclear power stations
Current Status of Nuclear Power Generating Operations
○
○
As of the end of January 2010, 54 commercial nuclear power station units generating 4,884.7 x 10 4 kW are in operation.
In FY2009, nuclear power stations generated 2,785 x 108 kWh, accounting for approximately 30% of Japan’s total generated output.
［108 ｋＷｈ］
［104 ｋＷ］
3500
7000
3000
6000
2500
5000
2000
4000
1500
Figure: Percentage Distribution of
Generated Output by Power Source
(FY2009)
Installed capacity
3000
1000
2000
500
1000
0
Installed capacity
Generated output
Generated output
0
1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008
Figure: Changes in Nuclear Power Station Installed Capacity and Generated Output
(From JNES Nuclear Facilities Operation Management Annual Report and others)
20
Utilizing existing nuclear power stations
Promotion of Nuclear Power Plants
【ＭＷ、ＧＷｈ】
FY
1970
1975
1980
1985
1990
1995
2000
2005
2008
Number of
Plants
4
12
22
32
39
49
51
55
53
62
Capacity
1,323
6,602
15,511
24,521
31,480
41,191
44,917
49,580
47,935
61,700
Electric
Energy
Output
4,580
25,102
As of the end of 2009, 54 units are in operation.
“Tomari nuclear power plant unit3 installed”
C a p a city
N u m b er o f Pla n ts
60
－
82,009 158,983 201,403 289,903 321,337 299,163 258,071
N u m b er o f P la n ts
70
2018
↑Estimated
MW
7 0 ,0 0 0
DECLINE
“Hamaoka Unit 1,2 terminated”
6 0 ,0 0 0
50
5 0 ,0 0 0
40
4 0 ,0 0 0
30
3 0 ,0 0 0
20
2 0 ,0 0 0
10
1 0 ,0 0 0
0
0
1970
[10Utilities]
1975
1980
1985
1990
1995
2000
2005
2008
2 0 1 8 Y ea
FYr
“Estimated”
21
Utilizing existing nuclear power stations
Nuclear Power in Japan
22
Utilizing existing nuclear power stations
23
Utilizing existing nuclear power stations
Aging Management
○
Components and structures with safety functions will be subjected to integrity assessment (aging management engineering
assessment) before they have been in operation for 30 years, and will assume they will be used for 60 years. Based on this
assessment, a “long-term maintenance plan” will be mapped out, putting together new measures to be added to maintenance
management activities.
Under the new inspection system, a “long-term maintenance management policy” (equivalent to a long-term maintenance plan” will
be developed and described in the Technical Specifications for the approval of the national government.
○
30th year
9
40th year
50th year
T1
30t h year engineering assessment
40t h year engineering assessment
8
1F2
50t h year engineering assessment
7
20 units completed※
（As of June 2010)
T2
SM1
SD1
6
T1
GN1
5
1F2
SD2
SM1
K1
I1
M2
SD1
2F3
H3
To2
O1
M1
GN2
2F1
OG1
T4
M3
2F4
1F4
TM1
K2
Tsu2 1F5
SM2
'19
H2
4
T1
3
2
Tsu1
1F2
1
M1
1F1
M2
0
Year
'00
'01
'02
'03
T2
SM1 GN1
'04
'05
M3
To2
O2
1F3
1F4
1F6
Tsu1 1F1
O2
H1
I1
1F5
O1
M1
GN2
I2
0
2F2
T3
1F3
'06
'07
'08
'09
'10
'11
'12
'13
'14
'15
'16
'17
1F6
'18
OG1
Tsu1 1F1
H4
2F2
M2
K3
I3
O3
2F1
SK1
K4
K5
TM2
I2
O4
GN3
'20
'21
'22
'23
'24
24
*For Tsuruga-1 and Mihama-1,
40th-year
engineering assessments have already been completed.
Utilizing existing nuclear power stations
Earthquake in Kashiwazaki-Kariwa NPS
(Tokyo Electric Power Company, Total 7units; 8,212MW)
 Time of occurrence：
July 16, 2007 10:13
 Magnitude：6.8
 Depth of epicenter: 17km
 Distance from power plant：
Epicenter→16km
Hypocenter→23km
Safety functions of “stoppage”
“cooling,” “containment” worked
appropriately, and nuclear power safety
was secured.
TEPCO’s actions
Seismic safety evaluations of the facilities against this
earthquake based on the inspection results
conducting construction work such as support
reinforcements in order to improve the earthquake safety of
power stations.
Aim for a power plant that is resistant to disasters
Actions of all utilities
Seismic safety evaluations of the facilities on the existing
plants
Strengthening emergency preparedness
Sharing of the lessons learned inside Japan and overseas
Epicenter
Kashiwazaki-Kariwa NPS
Update status
Unit 1 (1,100MW) Commercial operation (from Aug 4, 2010)
Unit 2 (1,100MW) Regular maintenance
Unit 3 (1,100MW) Regular maintenance
Unit 4 (1,100MW) Regular maintenance
Unit 5 (1,100MW) Regular maintenance
Unit 6 (1,356MW) Commercial operation (from Jan 19, 2010)
Unit 7 (1,356MW) Commercial operation (from Dec 28, 2009)
25
Smooth promotion of plant construction, addition, and replacement
New Construction plan of Nuclear Power Plant
○
○
Since the construction of a nuclear power station takes a long time from its planning to the start of operations, it is important to
promote replacement and new construction smoothly.
To do so, it is necessary to develop a mid/long-term business environment to allow for investment in nuclear power generation.
Company
Plant
Reactor
type
Output scale
（MW）
Years of
starting constructing
Years of
starting operating
Tohoku
Namie Odaka
ＢＷＲ
0.825
FY 2016
FY 2021
Higashidori No.2
ＡＢＷＲ
1.385
After FY 2016
After FY2021
FukushimaⅠ No.7
ＡＢＷＲ
1.380
Apr. 2012
Oct. 2016
FukushimaⅠ No.8
ＡＢＷＲ
1.380
Apr. 2012
Oct. 2017
Higashidori No.1
ＡＢＷＲ
1.385
Dec. 2010
Mar. 2017
Higashidori No.2
ＡＢＷＲ
1.385
After FY 2014
After FY 2020
Cyubu
Hamaoka No.6
ＡＢＷＲ
1.40 class
FY 2015
After FY 2020
Cyugoku
Shimane No.3
ＡＢＷＲ
1.373
Dec. 2005
Dec. 2011
Kaminoseki No.1
ＡＢＷＲ
1.373
June 2012
Mar. 2018
Kaminoseki No.2
ＡＢＷＲ
1.373
FY 2017
FY 2022
Kyusyu
Sendai No.3
ＡＰＷＲ
1.590
FY 2013
FY 2019
J-power
Ohma
ＡＢＷＲ
1.383
May 2008
Nov. 2014
JAPC
Tsuruga No.3
ＡＰＷＲ
1.538
Oct. 2010
Mar. 2016
Tsuruga No.3
ＡＰＷＲ
1.538
Oct. 2010
Mar. 2017
Tokyo
Total 19.308MW（14 plants）
：under construction
：Operating starting schedule in 10years
Source：FY2010 Power supply plan26
Smooth promotion of plant construction, addition, and replacement
Mid/long-term directionality
(Commercial nuclear power reactor)
Existing light
water reactors
(60 years case)
Installed Capacity [GWe]
70
60
50
Next generation
light water reactors
40
30
20
10
Existing light
water reactors
(40 years case)
Fast breeder
reactors
0
[Fiscal Year]
27
Thank you for your attention.
28

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