May, 2024

ESCO and EM in Japan(Energy Service Company & Energy Management)Preface
JAESCO (Japan Association of Energy Service Companies) is the onlyassociation in Japan which promotes ESCO projects and Energy Management(EM).

JAESCO was established in October 1999 in order to conduct the followingactivities;(1) Policy related lobbying activities(2) PR and marketing of ESCO concept(3) Training the staff of member companies(4) Information(5) International cooperation(6) others
And in May 2016, JAESCO included EM as its business territories. EM includes;(1) Installation of BEMS, FEMS etc.
(2) Measurement and recording of operation data
(3) Visualization and analysis of energy consumption(4) Supporting optimal operation of facilities(5) others

Energy Audit••••

Identify Energy
Efficiency
possibility
Calculate saved
energy & cost
Estimate
installation
cost
Calculate payback yearESCO•••••

Evaluate the credibility of customers
Estimate installation cost
Calculate long term payment plan of customers
Design the Measurement & Verification Plan
Design guarantee level of EE performance

EM•
•
•
•

Installation of BEMS, FEMS etc.
Visualization of energy and water consumptionContinuous measurement and analysis of operation
Supporting of optimal operation of facilities

2JAESCO hosted 3 Asia ESCO Conferences

3Structure of JAESCOChairperson
Dr. Hidetoshi NAKAGAMI *2

Emeritus Chairperson
Dr. Yoichi KAYA *1
Market Survey Committee

General Assembly Meeting
Member Service Committee

Board Meeting

Public Relations Committee

President
Dr. Yasunori AKASHI *3

Event Planning Committee
Directors

Int’l Affairs & SDGs Committee
Finance Study Committee

AuditorSecretariats*1: Professor Emeritus of Tokyo University*2: Chairman of Jyukankyo Research Institute (JYURI)*3 : Professor of Tokyo University

Members of JAESCO
Regular Members ------------- 23 companies
Supporting Members ------- 45 companies
Friends of JAESCO ------------- 20 individuals
Special Members ----------- as the followings

Dr. Yoichi KAYA (Professor Emeritus of Tokyo University)
Dr. Shuzo MURAKAMI (Professor Emeritus of Tokyo University)
Dr. Takao KASHIWAGI (Professor Emeritus of Tokyo Institute of Technology)
Dr. Yasunori AKASHI (Professor of Tokyo University)

Jyukankyo Research Institute (JYURI)
Daiichi Sogo Legal Office
Development Bank of Japan (DBJ)
Energy Conservation Center of Japan (ECCJ)
4May, 2024

Market Trends of ESCO & Energy Management (EM) in Japan
This survey is conducted annually to understand the current situation of ESCO & EMmarket. This year, the questionnaire was distributed by email to 65 JAESCO member
companies and 98 non-member companies, and responses were received from 87
companies.
Figure-1 shows the sales amount of ESCO & EM in FY2022. The total sales amount is
62 billion Yen, of which ESCO is 49 billion Yen and EM is 12 billion yen.

Fig.1

Figure 2 shows the number of contracts for the ESCO & EM businesses in FY2022.
The total number of contracts is 1,792, of which 124 are ESCO projects and 1,668
are EM projects.

Fig.2

5

Figure 3 shows the trend of ESCO market since 1998. The data are composed ofmembers of JAESCO as well as some non-members.
Fig.3

Figure 4 shows the trend of number of ESCO projects. The data are composed ofmembers of JAESCO as well as some non-members.
Fig.4

6