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Gas Turbine Electricity Generation
A Gas Turbine Electricity Generating Power Station consists of a number of gas turbine units which are very much like jet engines. Each of these gas turbine engines turns a huge generator which causes power to be generated.
The Gas Turbine power stations can be switched on and off very quickly.
When the country uses very high amounts of energy and the demand exceeds the normal supply from the coal and nuclear power stations, the gas turbine generating units can be switched on.
Large quantities of electricity can be generated in this way and fed into the South African grid within 4 minutes.
This is added to the supply coming from the coal and nuclear power stations in the country to handle these sudden increases in electricity demand, which are known as ‘spikes’.
When the spike in demand is over and the power requirement in the country lowers, the Gas Turbines are switched off.
In this fascinating video we go into Eskom’s Gas Turbine Power Station just outside Atlantis, near Cape Town in South Africa, for a look at the way that they create electricity to handle spikes in demand at a Gas Turbine power station.