Escom Statistical Yearbook 1986

Administration
Introduction 1
Contents 2
Escom Statistics 1986 3
Highlights of Escom's year 4
Table 1: Financial Statistics 5
Table 2: Source and application of funds 6
Table 3: Growth in key statistics 7
Table 4: Escom operating statistics 8 - 9
Table 5: Summary of operations over 37 years 10 - 11
Table 6: Power station operating statistics 12 - 13
Table 7: Power stations on order 14
Table 8: Coal-fired power stations: 12 with highest thermal efficiency 1986 15
Table 9: Coal-fired power stations in service 16 - 17
Table 10: Pumped storage, nuclear, hydro, gas-turbine and diesel power stations in service 18
Table 11: Transmission and distribution equipment in service 19
Table 12: Transmission and distribution equipment: by Region 20
Table 13: Maximum one-hour demand, MW 21
Table 14: Electricity sent out and sold 22 - 23
Table 15: Escom total GW.h sold 24 - 25
Table 16: Revenue per kW.h by category of customer 26 - 27
Table 17: Customer categories by distribution region 28 - 29
Table 18: Sales to mining sector 30 - 31
Table 19: Sales to industry 32
Table 20: Total number of farm supplies 33
Table 21: Number of customers by category 34
Escom Maps 35
Map 1: Escom's interconnected generation system 36
Map 2: Distribution regions in the RSA 37
Map 3: Eastern Natal 38
Map 4: Southern Cape 39
Map 5: Eastern Cape 40
Map 6: Western Cape 41
Map 7: Northern Cape 42
Map 8: Orange Free State 43
Map 9: Western Natal 44
Map 10: Eastern Transvaal 45
Map 11: Central and Southern Transvaal 46
Map 12: North Eastern Transvaal 47
Map 13: Western Transvaal 48
South African Statistics 49
Table 22: Production and consumption of electricity in the Republic of South Africa 50 - 51
Table 23: Motive power employed - electricity 52
Table 24: Installed capacities and gross production of electricity by the type of motive power employed 53
Table 25: Supply available for consumption and number of undertakings 54
Table 26: Consumption of electricity in South Africa 55
Table 27: South African municipal supply statistics 56 - 63
Table 28: Municipal supplies: generation 64 - 65
International statistics 66
Table 29: Net electricity production by utility - 1984 67
Table 30: World electricity generating capacity - 1984 68
Table 31: African electricity generating capacity 69
Table 32: Electric production in Sub-Saharn Africa - mill kW.h 70
Table 33: World electricity production - Total net production 71
Table 34: Installed generating capacity in Southern Africa 1985 72
Table 35: Net consumption of electricity in Southern Africa 1980 to 1985 73
Table 36: Production of electricity in Southern Africa (million kW.h) 74
Table 37: Selected world rankings electricity production 75
International Conversions: conversion factors and equivalents 76