Can you please explain how to manage the process of ramping up a factory with a big electric consumption?
I am wondering how it is possible to balance the grid during the start up phase of a big power consumer. When I turn on my kettle at home the energy amount is so small that some spinning reserve in the network can catch my load and keep the grid stable. But a large power consumer would be too much for spinning reserves. So they probably have to ramp up synchronous to their power suppliers. I want to know how this process works.
To give a more specific example: The biggest single unit power plants in germany have a capacity of around a gigawatt (According to the federal network agency). The largest gas plant has around 0.8 gigawatt.
Lets assume there is a factory (or a complex of many) that does not always work 24/7 and instead shuts down from time to time. Lets further assume that this facility needs to ramp up to 1 gigawatt of power consumption (please intervene if this is far beyond real facilities).
How do grid operators and factory managers make sure that the startup does not cause a brownout/blackout in the area?
Reading the answer to this question I also want to ask whether my question even has a real world application. Or are even the biggest loads so small compared to the capacity of the grid that they are easily caught?