It doesn’t take much power to light a single bulb. But when you have billions of lights, the story is not the same. When all the households shut down their lights for 9 minutes at 9 PM, it was expected to cause a power swing of 12-15 GW on India’s grid. The total power reduction on the night of 5th April 2020 was 32 GW, twice of what was anticipated.
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