- Load-shedding is more than a minor inconvenience it is a last resort to prevent a total blackout
- When power level productions drop then loadshedding is introduced to maintain the energy grid
- Unexpected breakdowns, diesel and water shortages can result in sudden load-shedding
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The national energy supplier Eskom has warned that loadshedding is a last resort. The precautionary measure to restrict power production is an effort to avoid a total shutdown across the country.
Briefly.co.za learned that Eskom's infrastructure is overburdened and relying on diesel for their gas turbines to keep the lights on when one of the coal-fired power stations requires maintenance. This means that loadshedding could be implemented at the drop of a hat as the power production fluctuates.
Loadshedding could be implemented if there is a disruption to the water supply at the pumped storage water schemes or insufficient diesel for the gas turbines according to fin24.com.
This explains the sudden and inexplicable load-shedding events such as on Thursday night when stage 2 load shedding was implemented from 22:00-05:00 on Friday morning.
Eskom is looking into ways to secure more stable supplies of diesel and water for their turbines and pumped storage schemes but any unexpected breakdowns would result in loadshedding.
The pumped storage schemes are hydroelectric power plants that use stored water in large tanks to spin the hydroelectric turbines.
If more than 9500 MW is lost in power production due to a breakdown, diesel or water shortage; load-shedding would be introduced.
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