3.5 Wood energy consumption in households

Fuelwood is used primarily for cooking, which accounts for at least 60% of enduse energy consumption of households. Additional information about some countries reveal other end-use applications of fuelwood.

Cambodia. Statistics show that 92% of all households in Cambodia used firewood for cooking. The rest used charcoal, kerosene, or LPG. The proportion (of households using fuelwood) was higher in rural areas at 95.3%, while in urban areas, charcoal had become more popular and was used by 40% of households in Phnom Penh. In addition, in the rural areas, households was also using dung and agricultural residues (palm, straw, waste, paddy husk) for cooking and water heating together with or as a substitute for firewood.

India. Cooking accounted for 62% of all urban household end-use energy consumption. Available data also show that this proportion increases for low income households, reaching, for example, 79% for households with annual income of only up to 500 rupees (Table 3.9). In contrast, data also show that household energy consumption for water heating, space cooling, and lighting increases with income. Additional data for urban households indicate that fuelwood provided 32% of energy requirements for cooking (Table 3.10). However, this was second only to LPG which contributed 47%. The contribution of fuelwood was more significant for water heating.

Being the major energy end-use, cooking gets most of the fuel supplied to households. It accounted for almost 86% of fuelwood consumed in households. The remaining 14% were used for water heating (Table 3.11).

Nepal. Data on biomass fuels consumption by type of end-use are also available for Nepal. It can be shown that, among the household end-use energy consumption met by biomass fuels, cooking accounted for 72% (see Table 3.12). End-use energy consumption also included animal feeding (16.4%), heating/cooling (3.8%), agro-processing (4.7%), and other applications (3.5%). On the other hand, 78% of cooking energy needs were met by fuelwood. Corollarily, 75% of total fuelwood consumption went to cooking alone. Animal feeding took up another 15%.

Pakistan. Cooking accounted for 78.5% of household end-use energy consumption in Pakistan. The other household end-use applications were space heating (5.7%), water heating (7.5%), lighting (3.4%), and space cooling (1.6%). Woodfuels supplied 55% of energy used for cooking. Animal dung and crop residues shared 36%. The remaining 9% were provided by natural gas, LPG, and kerosene.

Table 3.8: Summary Wood Energy Information from Energy Balance Tables

Country

Period for
which tables
are available

Original
Unit

Woodfuels \1 in
TFC \2 (percent)

Biomass/
Traditional
fuels in TFC
(percent)

Contribution
of Woodfuels
in HH \3 Final
Energy
Consumption
(percent)

Share of
HH in
TFC
(percent)

Proportion of
Fuelwood
Supply Going
to HH (percent)

Fuelwood
Supply
(PJ)

Total
Final
Energy
Consumption
(PJ)

Sources

Bangladesh \4

1984/85-1991/92

ktons

n.a.

n.a.

n.a.

n.a.

68.7

n.a.

n.a.

Zaki (1994)

Bhutan

1988/89

TJ

86.88

87.55

97.23

77.26

86.47

0.00

0.00

Danida (1991)

Cambodia

1993-1994

TJ

84.4

86.2

95.81

87.5

99.33

0.00

0.00

MIME (1996)

China

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

  

India \5

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

  

Indonesia

1991-1992

KTOE

30.9

39.2

57.5

53.8

100

0.00

0.00

AEEMTRC (1993)

Lao PDR

1990

KTOE

85.3

85.36

98.5

86.6

100

0.00

0.00

UNDP (1992)

Malaysia

1991-1992

KTOE

1.5

7.2

11.2

13.5

100

0.00

0.00

AEMMTRC (1993)

Maldives

1992

KTOE

22.98

22.98

84.4

20.65

75.85

0.00

0.00

Abu-Alam and Hill (1993)

Myanmar

1985/86-1992/93

KTOE

87.19

87.19

98.86

86.84

100

0.00

0.00

UNDP (1992) and DOE

Nepal

1984/85-1992/93

TJ

69.07

91.96

73.08

92.14

97.5

0.00

0.00

WECS (1994)

Pakistan

1993/94

KTOE

27.3

47.2

52.3

51.1

98.05

0.00

0.00

Energy Wing (1995)

Philippines

1991-1992

KTOE

24.4

43.8

49

53.9

100

0.00

0.00

AEEMTRC (1993)

Sri Lanka

1989-1992

KTOE

69.63

71.54

91.43

63.24

83.05

0.00

0.00

CEB (various years)

Thailand

1989-1994

KTOE

19.06

26.17

65.11

26.56

90.72

0.00

0.00

DEDP (various years)

Vietnam

1988

PJ

34.01

74.01

44.65

66.37

87.10

0.00

0.00

FAO (1992)

Notes:
n.a. means no data available
\1 Fuelwood and charcoal
\2 Total final energy consumption
\3 Household
\4 Commodity accounts
\5 The available energy balance tables for India do not include traditional fuels.

 

Table 3.9: End-use Energy Consumption by Income Categories, India
(in percent)

Annual
Household Income
(Rs)

Cooking

Water
heating

Space
Heating

Space
Cooling

Lighting

Others

Up to 500

78.9

9.8

0.0

2.6

6.3

2.4

500-1000

78.5

9.1

0.1

3.0

6.1

3.2

1000-1500

72.7

10.4

0.4

4.4

7.4

4.7

1500-3000

61.3

7.9

0.8

7.9

12.4

9.7

3000-4500

52.2

8.5

1.3

12.1

13.7

12.2

4500-6000

50.9

11.7

1.6

11.1

13.9

10.8

above 6000

36.7

13.5

6.3

12.0

19.8

11.7

  

All Categories

62.1

9.7

1.1

7.5

11.3

8.3

Source: TERI (1995)

 

Table 3.10: Share of Each Fuel for Different End-use in Urban Households, India
(in percent)

Fuel

Cooking

Water
Heating

Lighting

Space
Heating

Space
Cooling

Others

LPG

47.1

11.6

           

Kerosene

12.6

23.2

7.9

        

Soft Coke

5.0

3.3

           

Firewood

31.6

33.9

          

Dung

3.2

4.5

           

Electricity

0.5

23.5

92.1

100

100

100

 

Total

100

100

100

100

100

100

Source: TERI (1995)

 

Table 3.11: Share of End-use in Urban Households Fuel Consumption, India
(in percent)

Fuel

Cooking

Water
Heating

Lighting

Space
Heating

Space
Cooling

Others

Total

LPG

96.3

3.7

           

100

Kerosene

71.2

20.6

8.2

        

100

Soft Coke

90.9

9.2

           

100

Firewood

85.6

14.4

           

100

Dung

82.1

17.9

           

100

Electricity

1.0

7.6

34.7

25.3

3.8

27.6

100

Source: TERI (1995)

 

Table 3.12: Biomass Consumption by End-use, Nepal (1992/93)
(in PJ)

End-use

Fuelwood

Agricultural Residues

Animal Waste

Total

Cooking

134.86

22.00

16.51

173.36

Animal feeding

26.31

11.07

2.23

39.61

Heating/cooling

2.89

5.47

0.87

9.24

Agro-processing

9.43

0.76

1.12

11.32

Other

6.59

0.86

0.45

8.36

 

Total

180.08

40.17

21.19

241.44

Source of basic data: WECS (1995)

 

While 80% of energy from fuelwood and charcoal were spent in cooking, the remaining 20% were used for water heating (9.9%), space heating (8.0%), and others (1.9%).

In addition, the HESS also shows that of the possible multiple end-use of fuelwood, 54.5% were accounted for by cooking only. Cooking, space and water heating combined accounted for 20.6%, while almost the same proportion (19.8%) was shared by the combination of cooking and water heating.

Philippines. Cooking and water heating accounted for 90% of the end-use energy in households. The HECS survey in 1989 showed that while less than 6% of electricity consumed in the residential sector was used for cooking, more than one-third of kerosene, three-fourths of charcoal, and nearly all of LPG, fuelwood and crop residues used by households went to cooking. In fact, fuelwood provided 58% of the energy expended for cooking nationwide and 76% and 29% of those in the rural and urban areas, respectively.

Thailand. It is estimated that in 1990 cooking accounted for 76% of energy end-use in rural households (Chantavorapap, 1993). On the other hand, biomass fuels provided 97% of total cooking energy requirements. An earlier study places a higher estimate of 83% as the energy consumed in cooking by rural households, but gives a slightly lower estimate of 75% for all of Thailand’s households (urban and rural) (UNDP, 1989). The latter study also provides estimates on end-use consumption by income level (see Table 3.13). Data shows that the share of cooking in household energy consumption tends to decrease with higher income level, for example, declining from 87% at "very low" income level to 46% at "high" income level. The same can be said of fuelwood consumption, whose share in household energy consumption dropped from 20% at very low income level to barely 2% at high income level.


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