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This is regional, the general factors are over supply is required to deal with failures. So, their should always be excess capacity which can be routed around at 1/3 the speed of light. Demand can be adjusted in response to increased prices. Relatively tiny amounts of storage allow for time to react.

Large scale hydro for example can act as storage ramping up and down in minutes to cover demand spikes.

PS: Sure in the US it’s a lot of cheap natural gas right now. But many places don’t and still need to deal with the same issues.




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