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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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    Kelly Marie:

    As to why they chose 60 cycles over 50 I have no clue




    'Cos they could?


    The thing about USA, and the factor that (IMHO) has given it so much economic power, is that it is a country which occupies most of a continent. It never had to adopt anybody else's standards because it could set its own.

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    Kelly Marie:

    As to why they chose 60 cycles over 50 I have no clue




    'Cos they could?


    The thing about USA, and the factor that (IMHO) has given it so much economic power, is that it is a country which occupies most of a continent. It never had to adopt anybody else's standards because it could set its own.

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