Sixty Beats a Second
How the power grid keeps your lights on, second by second
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Wren: 29 min · Hollis: 32 min
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The valley that hums
generator, electricity
Over the hills
alternating current, transformer, transmission line
Exactly level
frequency, supply, demand, load
Ten past eight
peak demand, inertia, reserve
Goodnight, little Lumen
the wind-down