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Energy Balance

National Training Course onEnergy Demand Analysis and Projections, (C7-KAM/2/01),

Phnom Penh, Cambodia,

16-27 July 2012

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An ENERGY BALANCE

is a presentation of balance between

inputenergy flows by source and

output energy flows by type of consumer

What is an Energy Balance?

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Necessary data acquisition and its analysis

Software support

Annual publishing

To Accomplished Energy Balance is needed:

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Source 1

Source 2

Source 3

STOCK

Consumer 1

Consumer 2

Consumer 3

I

N

P

U

T

S

O

U

TP

U

T

S

ENERGY BALANCE

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ENERGY BALANCE

Can reflect energy flows of:

Specific energy carriers

(in natural units or in energy units)

Total energy mix

(in energy units)

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Can be constructed to represent each step of

energy transformation

primary / secondary / final / useful

ENERGY BALANCE

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ENERGY CHAIN

Mine WellImports

Electrical PlantRefinery

Consumer

PRIMARY SECONDARY FINAL USEFUL

Conversion ConversionTransmission

- oil- gas- coal- water

- diesel- kerosene- gas- electricity

- diesel- kerosene- gas- electricity

- heat- light- mechanical- energy

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Can be presented by:

- Flow diagram

- Tabular format

ENERGY BALANCE

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ENERGY BALANCE FLOW DIAGRAM (i.e Power Sector)

Electricity(Final)

Oil

Products

(Final)

Oil

Gas

Coal

P

R

I

M

A

R

Y

GasProducts(Final)

CoalProducts(Final)

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ENERGY BALANCE TABULAR FORMAT

F U E L S

SECTORS

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To be consistent in energy balance

construction

One should trace energy flows

along the complete chain of

energy transformation from

primary to final.

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Primary Energy Balance

Supply

Production Import ExportChange in

StockTotal

Consumption

Oil and Oil

Products

Gas and Gas

Products

Coal and Coal

Products

Other Fossil

Total Fossil

Non-

Commercial

Grand Total

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Primary and Secondary Energy Balance

Primary Energy

Consumption

Own Use

Consumption and/or

Losses in

Reprocessing and/or

Transformation

Secondary Energy

Production

Oil and Oil Products Direct Use

Centralized Heat

Production

Non-FossilCentralized Electricity

Production

Non-Commercial Total

Grand Total

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Secondary Energy

Transmission and

Transportation

Losses

Final Energy

Oil and Oil Products

Gas and gas Products

Direct Use of Fossil

FuelCoal and Coal Products

Other Foss il

Total Fossil Excluding

centralized Heating and

Electricity

From Fossil

Centraliz ed Heat Not from Fossil

Total

From Fossil

Electricity Not from Fossil

Total

Total Fossil

Direct Use ofCommercial

Non-Fossil Non-Commercial

Grand Total

Secondary and Final Energy Balance

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Country Balance of Final Energy Consumption

Final Fossil

Economic Sector Fos sil

(Substi

tutable)

Motor

Fuels

Coal

Coke

Feed

stocks

Total Centra-

lized Heat

Supply

Electri-

city

Solar

Systems

Total

Commer-

cial

Non-

Commer-

cial

Grand Total

Man/Agr/Con/Min

Transportation

Household/Service

Total

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FUEL THERMAL USE

SUB Low Temperature Medium Temperature High Temperature

SECTOR INDUSTRY Oil Gas Coal Electr Oil Gas Coal Electr Oil Gas Coal Electr

B M Steel

a a Aluminium

s t Cement

i e Pulp & Paper

c r .............

i .............

l Total

Part of Sectoral Final Energy Balance

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Reconstruction of Energy Consumption ForBase Year of the Study

Statisticalinformation forthe base year Input Data forthe base year

MAED resultsfor the baseyear MAED model

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Thank You