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Why are Power Grids so Large?

Former Community Member
Former Community Member
Why are power systems so large and interconnected? For example, what technical obstacles prevents the US eastern interconnection from being 8 isolated islands? Why not separate them by ISO/RTO? Why does every power grid in the world strive to be as large as geography allows?


Better yet why not have scattered power plants about (with redundancies of course) feeding load radially? A lot simpler and a lot less to go wrong.

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    John Russell:

    Nuclear generation is not good at responding to changing loads, and takes a long time to restart if it has to be stopped.




    So how do you park a boat and then get it started again? ?

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    John Russell:

    Nuclear generation is not good at responding to changing loads, and takes a long time to restart if it has to be stopped.




    So how do you park a boat and then get it started again? ?

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