What is a large scale? The Continental European grid covers 400 million people. https://en.wikipedia.org/wiki/Synchronous_grid_of_Continental_Europe https://e

What is a large scale? The Continental European grid covers 400 million people. https://en.wikipedia.org/wiki/Synchronous_grid_of_Continental_Europe https://en.wikipedia.org/wiki/Synchronous_grid_of_Continenta...