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TechnologyNorth America

The electric grid

Sep 4, 1882

Pearl Street lights the first city block

See it on the timeline

In depth

Pearl Street Station supplied 85 customers with direct current. The current war against Westinghouse and Tesla was won by alternating current, which can be stepped up for long-distance transmission. Electrification reshaped the factory floor from a single central shaft to individually driven machines, extended the working day, and made refrigeration, radio and lifts possible — and with them tall buildings and modern cities. Night lights on satellite imagery are now among the most used proxies for economic activity.

For children

Edison opened a power station in Manhattan that sent electricity through wires to the neighbourhood. For the first time you could make light without a flame. Within decades the night turned bright in cities around the world — and you can see it from space.

Connects to

Part of Terra Saga — the story of Earth on a timeline. terrasaga.org