A gigawatt (GW) is a unit of power equal to one billion watts. To put it into perspective, a single gigawatt can power approximately 750,000 homes simultaneously in developed countries. This immense power is often used to measure the capacity of power plants, with modern nuclear reactors typically generating between 1 to 1.3 gigawatts each. The term gained mainstream attention in pop culture when Doc Brown, in the movie “Back to the Future,” famously exclaimed the need for 1.21 “gigawatts” to power his time machine. Although mistakenly pronounced, it sparked curiosity about the sheer scale of energy required for large-scale projects and futuristic concepts. Today, understanding gigawatts is crucial as we transition to more sustainable energy sources and technologies.
The kilowatt, a unit of power equal to 1,000 watts, is widely used to measure electricity consumption and production. Beyond its role in tracking household energy use, the kilowatt also plays a critical part in the automotive industry, especially with the rise of electric vehicles (EVs). Interestingly, while car enthusiasts often discuss horsepower, the power of EVs is typically rated in kilowatts. For instance, 1 kilowatt roughly equals 1.34 horsepower.
Moreover, the record for the highest wind turbine currently stands at generating a jaw-dropping 14 megawatts—14,000 kilowatts—sufficient to power thousands of homes annually. As sustainable energy solutions become prominent, the kilowatt serves as a crucial unit for understanding and advancing our energy-efficient future.
Gigawatts | Kilowatts |
---|---|
0
GW
|
0
kW
|
0.1
GW
|
100000
kW
|
0.2
GW
|
200000
kW
|
0.3
GW
|
300000
kW
|
0.4
GW
|
400000
kW
|
0.5
GW
|
500000
kW
|
0.6
GW
|
600000
kW
|
0.7
GW
|
700000
kW
|
0.8
GW
|
800000
kW
|
0.9
GW
|
900000
kW
|
1
GW
|
1000000
kW
|
1.1
GW
|
1100000
kW
|
1.2
GW
|
1200000
kW
|
1.3
GW
|
1300000
kW
|
1.4
GW
|
1400000
kW
|
1.5
GW
|
1500000
kW
|
1.6
GW
|
1600000
kW
|
1.7
GW
|
1700000
kW
|
1.8
GW
|
1800000
kW
|
1.9
GW
|
1900000
kW
|
2
GW
|
2000000
kW
|
2.1
GW
|
2100000
kW
|
2.2
GW
|
2200000
kW
|
2.3
GW
|
2300000
kW
|
2.4
GW
|
2400000
kW
|
2.5
GW
|
2500000
kW
|
2.6
GW
|
2600000
kW
|
2.7
GW
|
2700000
kW
|
2.8
GW
|
2800000
kW
|
2.9
GW
|
2900000
kW
|
3
GW
|
3000000
kW
|
3.1
GW
|
3100000
kW
|
3.2
GW
|
3200000
kW
|
3.3
GW
|
3300000
kW
|
3.4
GW
|
3400000
kW
|
3.5
GW
|
3500000
kW
|
3.6
GW
|
3600000
kW
|
3.7
GW
|
3700000
kW
|
3.8
GW
|
3800000
kW
|
3.9
GW
|
3900000
kW
|
4
GW
|
4000000
kW
|
4.1
GW
|
4100000
kW
|
4.2
GW
|
4200000
kW
|
4.3
GW
|
4300000
kW
|
4.4
GW
|
4400000
kW
|
4.5
GW
|
4500000
kW
|
4.6
GW
|
4600000
kW
|
4.7
GW
|
4700000
kW
|
4.8
GW
|
4800000
kW
|
4.9
GW
|
4900000
kW
|
5
GW
|
5000000
kW
|
5.1
GW
|
5100000
kW
|
5.2
GW
|
5200000
kW
|
5.3
GW
|
5300000
kW
|
5.4
GW
|
5400000
kW
|
5.5
GW
|
5500000
kW
|
5.6
GW
|
5600000
kW
|
5.7
GW
|
5700000
kW
|
5.8
GW
|
5800000
kW
|
5.9
GW
|
5900000
kW
|
6
GW
|
6000000
kW
|
6.1
GW
|
6100000
kW
|
6.2
GW
|
6200000
kW
|
6.3
GW
|
6300000
kW
|
6.4
GW
|
6400000
kW
|
6.5
GW
|
6500000
kW
|
6.6
GW
|
6600000
kW
|
6.7
GW
|
6700000
kW
|
6.8
GW
|
6800000
kW
|
6.9
GW
|
6900000
kW
|
7
GW
|
7000000
kW
|
7.1
GW
|
7100000
kW
|
7.2
GW
|
7200000
kW
|
7.3
GW
|
7300000
kW
|
7.4
GW
|
7400000
kW
|
7.5
GW
|
7500000
kW
|
7.6
GW
|
7600000
kW
|
7.7
GW
|
7700000
kW
|
7.8
GW
|
7800000
kW
|
7.9
GW
|
7900000
kW
|
8
GW
|
8000000
kW
|
8.1
GW
|
8100000
kW
|
8.2
GW
|
8200000
kW
|
8.3
GW
|
8300000
kW
|
8.4
GW
|
8400000
kW
|
8.5
GW
|
8500000
kW
|
8.6
GW
|
8600000
kW
|
8.7
GW
|
8700000
kW
|
8.8
GW
|
8800000
kW
|
8.9
GW
|
8900000
kW
|
9
GW
|
9000000
kW
|
9.1
GW
|
9100000
kW
|
9.2
GW
|
9200000
kW
|
9.3
GW
|
9300000
kW
|
9.4
GW
|
9400000
kW
|
9.5
GW
|
9500000
kW
|
9.6
GW
|
9600000
kW
|
9.7
GW
|
9700000
kW
|
9.8
GW
|
9800000
kW
|
9.9
GW
|
9900000
kW
|
10
GW
|
1e+7
kW
|
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