The gigajoule (GJ) is a unit of energy equivalent to one billion joules. It offers a convenient metric for measuring substantial energy quantities and is frequently used in contexts like natural gas and electrical energy. For instance, one gigajoule can power an average household’s energy needs for about three days, depending on energy consumption habits. Interestingly, it’s also roughly equivalent to the energy contained in 26.8 gallons of gasoline, highlighting its significance in both domestic and industrial contexts.
Beyond its everyday applications, the gigajoule also plays a critical role in scientific fields. In the realm of seismology, for example, a moderate earthquake releases energy comparable to a few gigajoules, illustrating the vast power of natural phenomena. This demonstrates how understanding gigajoules can offer insights into both human technology and the forces of nature.
A gigawatt-hour (GWh) is a unit of energy representing one billion watt-hours, or one million kilowatt-hours. To put it into perspective, a single gigawatt-hour can power approximately 750,000 homes for an hour or a modest-sized city for a few hours! This unit is commonly used in measuring the output of power stations or the amount of electricity consumed over a span.
Interestingly, the largest solar farm in the world, Noor Abu Dhabi, boasts a capacity of about 1,177 gigawatts per year, reflecting how renewable energy advancements continue to scale. As nations transition to greener power, understanding energy units like the gigawatt-hour becomes crucial in evaluating our global energy impact and future sustainability targets.
| Gigajoules | Gigawatt-hours |
|---|---|
0
GJ
|
0
GWh
|
0.1
GJ
|
2.77778e-5
GWh
|
0.2
GJ
|
5.55556e-5
GWh
|
0.3
GJ
|
8.33333e-5
GWh
|
0.4
GJ
|
0.000111111
GWh
|
0.5
GJ
|
0.000138889
GWh
|
0.6
GJ
|
0.000166667
GWh
|
0.7
GJ
|
0.000194444
GWh
|
0.8
GJ
|
0.000222222
GWh
|
0.9
GJ
|
0.00025
GWh
|
1
GJ
|
0.000277778
GWh
|
1.1
GJ
|
0.000305556
GWh
|
1.2
GJ
|
0.000333333
GWh
|
1.3
GJ
|
0.000361111
GWh
|
1.4
GJ
|
0.000388889
GWh
|
1.5
GJ
|
0.000416667
GWh
|
1.6
GJ
|
0.000444444
GWh
|
1.7
GJ
|
0.000472222
GWh
|
1.8
GJ
|
0.0005
GWh
|
1.9
GJ
|
0.000527778
GWh
|
2
GJ
|
0.000555556
GWh
|
2.1
GJ
|
0.000583333
GWh
|
2.2
GJ
|
0.000611111
GWh
|
2.3
GJ
|
0.000638889
GWh
|
2.4
GJ
|
0.000666667
GWh
|
2.5
GJ
|
0.000694444
GWh
|
2.6
GJ
|
0.000722222
GWh
|
2.7
GJ
|
0.00075
GWh
|
2.8
GJ
|
0.000777778
GWh
|
2.9
GJ
|
0.000805556
GWh
|
3
GJ
|
0.000833333
GWh
|
3.1
GJ
|
0.000861111
GWh
|
3.2
GJ
|
0.000888889
GWh
|
3.3
GJ
|
0.000916667
GWh
|
3.4
GJ
|
0.000944444
GWh
|
3.5
GJ
|
0.000972222
GWh
|
3.6
GJ
|
0.001
GWh
|
3.7
GJ
|
0.00102778
GWh
|
3.8
GJ
|
0.00105556
GWh
|
3.9
GJ
|
0.00108333
GWh
|
4
GJ
|
0.00111111
GWh
|
4.1
GJ
|
0.00113889
GWh
|
4.2
GJ
|
0.00116667
GWh
|
4.3
GJ
|
0.00119444
GWh
|
4.4
GJ
|
0.00122222
GWh
|
4.5
GJ
|
0.00125
GWh
|
4.6
GJ
|
0.00127778
GWh
|
4.7
GJ
|
0.00130556
GWh
|
4.8
GJ
|
0.00133333
GWh
|
4.9
GJ
|
0.00136111
GWh
|
5
GJ
|
0.00138889
GWh
|
5.1
GJ
|
0.00141667
GWh
|
5.2
GJ
|
0.00144444
GWh
|
5.3
GJ
|
0.00147222
GWh
|
5.4
GJ
|
0.0015
GWh
|
5.5
GJ
|
0.00152778
GWh
|
5.6
GJ
|
0.00155556
GWh
|
5.7
GJ
|
0.00158333
GWh
|
5.8
GJ
|
0.00161111
GWh
|
5.9
GJ
|
0.00163889
GWh
|
6
GJ
|
0.00166667
GWh
|
6.1
GJ
|
0.00169444
GWh
|
6.2
GJ
|
0.00172222
GWh
|
6.3
GJ
|
0.00175
GWh
|
6.4
GJ
|
0.00177778
GWh
|
6.5
GJ
|
0.00180556
GWh
|
6.6
GJ
|
0.00183333
GWh
|
6.7
GJ
|
0.00186111
GWh
|
6.8
GJ
|
0.00188889
GWh
|
6.9
GJ
|
0.00191667
GWh
|
7
GJ
|
0.00194444
GWh
|
7.1
GJ
|
0.00197222
GWh
|
7.2
GJ
|
0.002
GWh
|
7.3
GJ
|
0.00202778
GWh
|
7.4
GJ
|
0.00205556
GWh
|
7.5
GJ
|
0.00208333
GWh
|
7.6
GJ
|
0.00211111
GWh
|
7.7
GJ
|
0.00213889
GWh
|
7.8
GJ
|
0.00216667
GWh
|
7.9
GJ
|
0.00219444
GWh
|
8
GJ
|
0.00222222
GWh
|
8.1
GJ
|
0.00225
GWh
|
8.2
GJ
|
0.00227778
GWh
|
8.3
GJ
|
0.00230556
GWh
|
8.4
GJ
|
0.00233333
GWh
|
8.5
GJ
|
0.00236111
GWh
|
8.6
GJ
|
0.00238889
GWh
|
8.7
GJ
|
0.00241667
GWh
|
8.8
GJ
|
0.00244444
GWh
|
8.9
GJ
|
0.00247222
GWh
|
9
GJ
|
0.0025
GWh
|
9.1
GJ
|
0.00252778
GWh
|
9.2
GJ
|
0.00255556
GWh
|
9.3
GJ
|
0.00258333
GWh
|
9.4
GJ
|
0.00261111
GWh
|
9.5
GJ
|
0.00263889
GWh
|
9.6
GJ
|
0.00266667
GWh
|
9.7
GJ
|
0.00269444
GWh
|
9.8
GJ
|
0.00272222
GWh
|
9.9
GJ
|
0.00275
GWh
|
10
GJ
|
0.00277778
GWh
|
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