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Feasibility Study Final Report on FY2014 JCM Large-scale

Project for Achievement of a Low-carbon society in Asia

Feasibility Study on financing scheme development project for promoting
energy efficiency equipment installation in Indonesia



























March, 6th, 2015







International Project Center

Environment and Energy Research Division

Page 2

Table of Contents

1. Outline of the Study ........................................................................................................................ 1

1.1 Purpose of the Project .................................................................................................... 1

1.2 Subject of Project ........................................................................................................... 1

1.2.1 Study on an ESCO project in Indonesia ........................................................................... 1

1.2.2 Domestic progress briefing session ................................................................................. 3

1.2.3 Local workshops ........................................................................................................... 4

1.2.4 Presentations at a meeting designated by the Ministry of the Environment .......................... 4

1.3 Study system ................................................................................................................. 4

1.4 Implementation period ................................................................................................... 5

1.5 Deliverables .................................................................................................................. 6

2. Collection and review of existing energy-saving diagnostic results ......................................... 7

2.1 Outline of APKENINDO activities .................................................................................. 7

2.1.1 APKENINDO system .................................................................................................... 7

2.1.2 APKENINDO activities to date....................................................................................... 8

2.1.3 Cooperation with overseas organizations ......................................................................... 8

2.2 Collected information on candidate properties .................................................................. 9

2.3 List of this properties under the Study ........................................................................... 20

2.3.1 Complex commercial facilities ...................................................................................... 20

2.3.2 Hotels ......................................................................................................................... 20

2.3.3 Industrial facilities (e.g. factories) ................................................................................. 20

2.3.4 Office buildings ........................................................................................................... 21

3. Energy-saving technologies and methodologies introduced ...................................................... 22

3.1 Complex commercial facilities ...................................................................................... 22

3.2 Hotels ......................................................................................................................... 33

3.3 Production facility (Factory) ......................................................................................... 37

3.4 Office Building ............................................................................................................ 40

3.4.1 Office Building A ........................................................................................................ 40

3.4.2 Office buildings B ....................................................................................................... 43

4. Development of JCM methodologies and estimation of GHG reduction potential ................. 49

4.1 JCM methodologies ..................................................................................................... 49

4.1.1 Concept ...................................................................................................................... 49

4.1.2 Calculation method for emission reduction and approaches to the calculation of reference

emissions .................................................................................................................... 54

4.1.3 Introduction of solar power generation system into office buildings and commercial facilities

54

4.1.4 Introduction of an exhaust heat recovery system into office buildings and commercial

facilities for cold water generation ................................................................................ 56

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(2) Calculating reference emissions

Reference emissions are calculated by multiplying the volume of cold water generated through the

use of heat and/or gas recovered to WHR by the COP of existing chillers and the CO2 emission

factor of the power source used for the project.

According to Indonesian air-conditioning experts, existing facilities usually do not undergo chiller

calibration, and therefore the efficiency of such chillers fall short of specification values.

Considering these circumstances, this methodology sets conservative values by adopting the

following approach:

 When the product lifetime of existing chillers comes expires during the credit period: the

Indonesian national standard (SNI) 03-6390 is applied because the standard is, according to

local experts, sufficiently strict for existing chillers; or

 When the product lifetime of existing chillers survive the credit period: the rated COP set forth

in manufacturers’ specifications for existing chillers is adopted without taking aged

deterioration into consideration.



The product lifetime of chillers shall be 15 years in compliance with CDM’s “Tool to determine the

remaining lifetime of equipment” (version 01).



The reference emissions are calculated by using the following formula:


REcpCTREpauxREREpPJp
EFECECQRE ])6.3//[(

,_,_,





REp Reference emissions during period p [tCO2 / p]

QPJ,p Amount of cooling energy generated in the project during period p [GJ / p]

ηRE Efficiency of the reference cooling energy generation apparatus [-]

ECaux,p Power consumption by electrical auxiliary machine for existing chiller removed

for the project for period p [MWh / p]

ECCT,p Power consumption by the cooling tower for the existing chiller removed for the

project for period p [MWh / p]

EFRec CO2 emission factor of electricity consumed the existing chiller [tCO2 / MWh]

ECCAP_aux,i Total rated output of auxiliary machine i removed for the project [MW]

ECCAP_CT,j Total rated output of cooling tower j removed for the project [MW]

Op WHR operating hours during period p [hour / p]



(3) Calculation method for project emissions

Project emissions are determined on the basis of total electricity consumption by the WHR system

and all other apparatuses introduced for the project, including cold water generation equipment,

pumps, and cooling towers. The following formula is used in the calculation:


𝑃𝐸𝑝 = (𝐸𝐺𝑐ℎ𝑖𝑙𝑙𝑒𝑟,𝑝 + 𝐸𝐺𝐴𝑈𝑋,𝑝+𝐸𝐺𝐶𝑇,𝑝) × 𝐸𝐹𝑒𝑙𝑒𝑐

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PEp : Project emissions during period p [tCO2 / p]

ECchiller,p : Power consumption by the cold water generation apparatus during period p

[MWh/p]

ECAUX,p : Power consumption by electric auxiliary machines introduced for the project,

during period p [MW/p]

ECCT,p : Power consumption by the cooling tower introduced for the project, during

period p [MWh / p]

EFelec : CO2 emission factor of electricity consumed by apparatuses introduced for the

project [tCO2 / MWh]

(4) Pre-fixed parameters

The following parameters are pre-fixed:


Table 4-8 Parameters pre-fixed under methodologies related to the solar power generation system

under discussion

Parameter Content of data Source

ηRec Efficiency of the reference cooling energy

generation system



If the replaced chiller is a centrifugal type,

defaults under JCM-approved methodology

JCM_ID_AM001 may be applied.



The following defaults may be applied to

water-cooling and air-cooling chillers:


Chiller defaults

A/C types COP*

Air-cooling chiller < 150 TR

(reciprocal)
2.8

Air-cooling chiller < 150 TR (screw) 2.9

Air-cooling chiller > 150 TR

(reciprocal)
2.8

Air-cooling chiller >150 TR (screw) 3

Water-cooling chiller < 150 TR

(reciprocal)
4

Water-cooling chiller < 150 TR

(screw)
4.1

Water-cooling chiller > 150 TR

(reciprocal)
4.26

Water-cooling chiller > 150 TR

(screw)
4.4

*Energy efficiency shall be measured at an external
temperature of 33ºC for the air-cooling type and at an
external temperature of 30ºC for the water-cooling type.
For water-cooling type capacitors, energy efficiency
shall be measured at 30ºC on the cooling water inlet.



Defaults under the

methodologies (for validation,

the latest Indonesia national

standards SNI-03-6390 are

applicable)

EFelec Same as in Table 4-5

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