Electric grids are mighty complicated. Of course, if you’re in the industry, you don’t need me to tell you that. When we created these huge networks of wires to pass electricity from generator to user, we simultaneously needed to track where the energy originated and where it went so we could figure out how to pay people for the energy they provided. What we came up with was two systems: one for the wires and one market where that energy is bought and sold.

Grid operators must keep that energy supply and demand in perfect sync. This means that sometimes they are willing to pay a lot for energy because they really need it

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