Load-shedding losses top R12 Billion

2015-02-16 13:10

The losses to the South African economy tallied R1Bn this weekend alone, after 14 hours of Stage-2 load shedding on Saturday, 4 hours of Stage-2 load-shedding on Sunday morning and 10 hours of Stage 1 load-shedding on Sunday afternoon. Since the Majuba silo collapse in early November, total load-shedding losses to the SA economy have topped an astonishing twelve thousand million Rands, or R12 Billion. The losses so far for the 2015 calendar year are R4.6Bn

According to ESKOM, Stage-1 load-shedding still supplies 96% of the country with electricity, whilst Stage 2 load shedding still supplies 93% of the country and Stage-3 load shedding still supplies 86% of the country with electricity. We can thus deduce that stage-1 load-shedding effects 4% of users, stage-2 effects 7% of users and stage-3 effects 14% of all users.

The SA economy produced R960Bn in the 90 days of the 3rd quarter of 2014, or R10.7Bn per day. Given that 18 hours of a working day are responsible for the bulk of economic activities (6am to midnight) we can equate this to R592 million per hour. Assuming a direct correlation between GDP and electricity supply, stage-1 load-shedding costs us 4% of our output or 4/100*R592=R23.68 million per hour. Similarly, stage-2 load shedding costs us R41.44 million per hour and stage-3 load shedding costs us R82.88 million per hour.

We can use these rough estimates of hourly losses to the SA economy together with actual hours of load-shedding to calculate cumulative losses since the Majuba silo collapse, as shown in the weekly chart we maintain below:

There are other estimates of load-shedding losses. Energy expert Chris Yelland uses the "costs of unserved energy" taken from the Integrated Resources Development plan of R100 per Kwh which equates to Stage-1 losses around R100 million per hour. This results in losses of over R56Bn since November. Economist Mike Schussler estimates Stage-1 losses to be around R30 million per hour which equates to losses of R17Bn since November. Our estimates seem to be the most conservative here, but are very close to what Mike Schussler calculated. Our calculations are of course reflecting a "business as usual loss" but the longer load-shedding persists, the more insidious the effects become. Loss of confidence and the resulting drop in investment come to mind. The longer the load shedding situation persists, the more we will start trending toward the Yellen estimates.

To join over 90,000 other South Africans getting free email alerts, reminders and schedules for loadshedding, go to www.sharenet.co.za/loadshedding

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