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Abraham Manuputty & Cessy Bellafania

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Projected World Energy Supplies

1900  1920  1940  1960  1980  2000  2020  2040  2060  2080 2100 

20 

40 

60 

80 

100 100 BILLION 

BARRELS 

Billion 

Barrels of Oil Equivalent 

perY ear (GBOE) 

Natural Gas 

Natural Gas 

Hydroelectric Hydroelectric 

Crude Oil Crude Oil 

Solar , W ind Geothermal 

Nuclear Electric Coal Coal 

 D e c r  e a s  i  n g

 F  o s  s 

 i   l   F  u e l   s 

 N e w

T  e ch n o l   o g i   e s 

 World Energy Demand

 American Petroleum Institute, 1999

Careers in

Oil & GasRemain Important

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Geothermal System Work

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Hydrothermal Reservoir

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Lindal Diagram (Direct Use of 

Geothermal)

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Direct Use of Geothermal

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Why Geothermal?

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Advantages of Geothermal Using

Sustainable (Independence of climatic variation andweather change, independence of cost increase andfluctuation, deliverability and waste management of fossil

fuels) Renewable (Abundant source, will be available for the

foreseeable future)

High base load capacity, over 90%

Environmentally Friendly (Help to reduce GHG and CO2) 

Reliable (Does not require extensive land) 

Low operating cost compare to other RE NEXT

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Typical GHG Production of Various

Power Plant (

960

668 668

85

506

875

0

200

400

600

800

1000

1200

  C  o  a   l

   D   i  e  s

  e   l

  O   i   l  /

  S  t  e  a  m

   N  G  /  C  C  G

   T

  G  e  o  t   h  e  r  m  a   l

   C   O   2  -  e   (   K  g   /   M

   W   h   )

GHG Reduction

GHG Emissions

BACK

d f i

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Land Use of Various PowerTechnology for 1 GW/hr

> 1.300 m2 > 3.500 m2 

~ 400 m2  BACK

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Typical Cost of Generation

BACK

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Hottest Known Geothermal

Regions

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Distribution Map of Earth'sPlates

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Indonesia as a Geothermal

Powered Country

We own 40% of world Geothermal

reservesOver 27.000 MWe potential256 potential locationEquals to 219 billion barrel of crude

oil

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Indonesian Geothermal Field

Prospect

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Potential of Geothermal Resources andIndonesia

status on February 2009 

Location

Resources, Mwe Reserves , Mwe

Speculative Hypothesis Probable Possible Proven

Sumatera5275 2194 5555 15 380

Java2235 1446 3175 885 1815

Bali - Nusa Tenggara360 359 943 ~ 14

Sulawesi925 12 865 150 78

Maluku400 37 297 ~ ~

Kalimantan45 ~ ~ ~ ~

Papua50 ~ ~ ~ ~

Total 256 Location9290 4048 10835 1050 2287

13338 14172

Total Indonesia27510 MW

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Active Field ProductionNo Developer Field and

Location

Capacity 

1 PT. Pertamina GeothermalEnergy (PGE) 

Sibayak, NorthSumatera 

12 MW 

2 JOC PGE - Chevron G. Salak,Ltd 

G. Salak, West Java 

 377 MW 

 3 JOC PGE - Star Energy Geothermal, Ltd   Wayang Windu, West Java  227 MW 

4 PT. Pertamina GeothermalEnergy (PGE) 

Kamojang, West Java 

200 MW 

5 JOC PGE - Chevron G.

Indonesia, Ltd 

Darajat, West

 Java 

260 MW 

6 PT. Geo Dipa Energi  DTT.Dieng,Central Java 

60 MW 

7 PT. Pertamina GeothermalEnergy (PGE) 

Lahendong,North Sulawesi 

60 MW 

SUBTOTAL 1196 MW 

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Other Field

h l l d

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Geothermal Power Plant Upgrading

Plan

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Plan to increase The Capacity of 

Geothermal Power Plants in 2009-2014

NOWDAYS

1169 Mw

+ 70 Mw+ 158 Mw

+ 1028 Mw

+ 740 Mw

+ 2620 Mw

2009 2010 2011 2012 2013 2014

2025

TOTAL9500 Mw

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 Create an attractiveinvestment climate by:

Consistent laws and legally binding regulations

Attractive tax regulations

Incentives for renewable energies Easy process for permits and licenses for installation

and

Utilization of renewable energies

Harmonize inter-ministerial cooperation for installinggeothermal power plants

Use of high-end technology

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EGS System Work

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EGS System Work II

H E h d G th l

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How an Enhanced GeothermalSystem Works

There are four main types of geothermal power plants: 1. Drill Injection Well 

 An Injection well is drilled into hot bedrock that has limited permeablility and fluid content, This isconsiderably deeper than water tables, at depths greater than 5,000 feet.

2. Inject Water  Water is injected at sufficient pressure to ensure fracturing, or open existing fractures within thedevolping reservoir and hot bedrock.

 3. Hydro-fracture Pumping of water is continued to extend fractures and reopen old fractures some distance from theinjection wellbore.

4. Drill Production Well  A production well is drilled, intersecting the stimulated fracture system. The water is circulated to

produce steam. The water, depleted of its heat, is re-injected to be heated again in the fractures.

5. Drill Additional Production WellsMore production wells are drilled to extract heat form large volumes of hot bedrock to meet powergeneration requirements.

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Kalina Cycle

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Combination of The

System

Good Management & Investment

EGS + Binary Cycle = 5 X 27000

Mwe

Meet the electricity needs of people

Prosperity 

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