On very windy and sunny days the energy production of renewables skyrockets, but what happens to all that electricity that doesn’t get consumed? Is it all dispersed in the ground/heat or am I missing something?
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If energy producers don’t react the system survives that for about 15 minutes. Otherwise emergency shutdown triggers a massive blackout to prevent wires from overheating.
Luckily there is a very sophisticated system that decides wich powerplant will reduce power output, and wich windfarm curtails power by turning their blades out of the wind etc.
You can destroy electrical energy by turning it to heat, but for those amounts you’d need huge hardware to handle it, so it’s easier to just adjust the production instead
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