84
P. Tiwari
Table 1: Distribution of Residences and Residents According to Residential Electricity Consumption
Monthly electricity expenditures Rs.
4.17 12.5
25.0 45.84
70.84 104.17
166.67 312.5
416.67
Residences Hut
0.6 1.7
5.0 5.8
3.0 2.2
0.7 0.3
0.02 Chawl
0.2 0.7
1.5 2.3
1.4 0.9
0.6 0.4
0.03 Flat ,5 floors
0.8 1.8
4.7 8.8
7.5 9.1
6.7 2.0
0.4 Flat .5 floors
0.3 1.0
1.1 1.2
1.0 2.4
2.3 0.9
0.2 Bungalows
0.3 0.9
0.8 0.9
0.5 0.8
0.6 0.3
0.02 Residents
Marathi 1.7
5.8 10.6
13.4 7.8
6.9 3.9
1.5 0.3
Gujrati 0.2
0.6 1.5
2.9 2.4
3.2 2.7
0.9 0.1
South Indian 0.1
0.4 1.1
1.3 1.1
1.5 1.1
0.2 0.1
RESIDENTIAL ELECTRICITY CONSUMPTION IN BOMBAY 85
of them have electricity consumption that is less than Rs. 13. Eighty-five of the chawl dwellers report their electricity expendi-
ture ranges between Rs. 13 to Rs. 105. Three percent of them have residential electricity consumption below Rs 13. The 76
of the dwellers of the flats below five floors have their residential electricity consumption within the range Rs. 13 to Rs. 105. Only
2 of them have electricity consumption below Rs. 13. Sixty-four percent of the dwellers of the flats above five floors have their
residential electricity consumption in the range of Rs. 13 to Rs. 105. Three percent of them have electricity consumption below
Rs. 13. The 76 of the bungalow occupants have electricity con- sumption in the range of Rs. 13 to Rs 105. Six percent of them
have electricity consumption below Rs. 13. The social pattern of the sample population is as follows: Maharashtrians—52,
Gujratis—15, South Indians—7, while the rest of 26 are from North India. Three percent of the Maharashtrians have elec-
tricity consumption below Rs 13. Eighty-five percent of them have residential electricity consumption that lies in the range of Rs. 13
to Rs. 105. Compared to this, 73 percent of the Gujratis have electricity consumption between Rs. 13 to Rs. 105 and only 1
percent have below Rs. 13. The South Indians have higher residen- tial electricity consumption. Seventy-eight percent of them have
it between Rs. 13 to Rs. 105, while only 1 percent of them have it below Rs. 13. The average monthly household income in Bom-
bay in Rs. 2550. The monthly expenditure on electricity of a household is only 3 percent of the total monthly income. The
mean household size as indicated by sample survey in Bombay is 5.24. As the household size increases, the electricity consumption
also increases. The mean number of rooms in Bombay is 2.2. The average age of the buildings in Bombay is 31 years, although some
structures are as old as 100 years.
The BMRDA survey reports the appliance characteristics of the households. The possession of various appliances of households in
Bombay is as follows. Sixty-nine percent of the households in Bom- bay have a television set. The VCR is possessed by 11 percent of the
households. Fifty percent of the Bombay households have a tape- recorder. Thirty-seven percent of the households have a refrig-
erator, while 61 percent of the households have an electric iron.
3. THE STRUCTURE OF ELECTRICITY DEMAND
The literature on the determinants of electricity consumption is vast. The simplest model of residential electricity demand is of
