Why does the US still have multiple power grids?

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I understand why the contiguous United States developed the East/West/Texas power grids but why have we never connected them to operate as one power grid?

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4 Answers

Anonymous 0 Comments

The US is a very large country. Having separate grids allow three management teams to have responsibilities that are only a couple of time zones wide.

There are interconnects, but they are mostly to provide alternate sources for circuits along the borders.

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