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Power

Just how powerful is 10 gigawatts?

Large systems

10 GW

Scale

ENERGY EACH SECOND

10 gigawatts

The quantity is exact as entered.

10 GWPower
0
Three Gorges Dam rated output

Three Gorges Dam rated output is the maximum electrical power the dam's generators are designed to produce.

22.5 GWInstalled generating capacity
0
Power is energy per unit time: one watt is one joule per second.

A little perspective

The rated output of the Three Gorges Dam is about 2.25 times 10 gigawatts.

Measurements, assumptions & sources +

10 gigawatts

Power: 10 GW; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

Three Gorges Dam rated output

Installed generating capacity: 22.5 GW; specified.

The Three Gorges hydropower station has 22.5 GW installed generating capacity. Actual output varies with water and operating conditions.

China Three Gorges Corporation — Three Gorges Project

The marked installed generating capacity is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 10 gigawatts with the rated output of the Three Gorges Dam. The notes below explain how each value was chosen.

10 gigawatts

10 GW

Power · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Three Gorges Dam rated output

22.5 GW

Installed generating capacity · specified

The Three Gorges hydropower station has 22.5 GW installed generating capacity. Actual output varies with water and operating conditions.

Comparing
Power ↔ Installed generating capacity
Relative size
The rated output of the Three Gorges Dam is about 2.25 times 10 gigawatts. The rated output of the Three Gorges Dam is approximately 125% greater than 10 gigawatts.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

Power is the rate of energy transfer or use, not the total energy.

1 × 10¹⁰ Wwatts
13,410,000 hpmechanical horsepower

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