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.
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.
Gigawatt-hours | Gigajoules |
---|---|
0
GWh
|
0
GJ
|
0.1
GWh
|
360
GJ
|
0.2
GWh
|
720
GJ
|
0.3
GWh
|
1080
GJ
|
0.4
GWh
|
1440
GJ
|
0.5
GWh
|
1800
GJ
|
0.6
GWh
|
2160
GJ
|
0.7
GWh
|
2520
GJ
|
0.8
GWh
|
2880
GJ
|
0.9
GWh
|
3240
GJ
|
1
GWh
|
3600
GJ
|
1.1
GWh
|
3960
GJ
|
1.2
GWh
|
4320
GJ
|
1.3
GWh
|
4680
GJ
|
1.4
GWh
|
5040
GJ
|
1.5
GWh
|
5400
GJ
|
1.6
GWh
|
5760
GJ
|
1.7
GWh
|
6120
GJ
|
1.8
GWh
|
6480
GJ
|
1.9
GWh
|
6840
GJ
|
2
GWh
|
7200
GJ
|
2.1
GWh
|
7560
GJ
|
2.2
GWh
|
7920
GJ
|
2.3
GWh
|
8280
GJ
|
2.4
GWh
|
8640
GJ
|
2.5
GWh
|
9000
GJ
|
2.6
GWh
|
9360
GJ
|
2.7
GWh
|
9720
GJ
|
2.8
GWh
|
10080
GJ
|
2.9
GWh
|
10440
GJ
|
3
GWh
|
10800
GJ
|
3.1
GWh
|
11160
GJ
|
3.2
GWh
|
11520
GJ
|
3.3
GWh
|
11880
GJ
|
3.4
GWh
|
12240
GJ
|
3.5
GWh
|
12600
GJ
|
3.6
GWh
|
12960
GJ
|
3.7
GWh
|
13320
GJ
|
3.8
GWh
|
13680
GJ
|
3.9
GWh
|
14040
GJ
|
4
GWh
|
14400
GJ
|
4.1
GWh
|
14760
GJ
|
4.2
GWh
|
15120
GJ
|
4.3
GWh
|
15480
GJ
|
4.4
GWh
|
15840
GJ
|
4.5
GWh
|
16200
GJ
|
4.6
GWh
|
16560
GJ
|
4.7
GWh
|
16920
GJ
|
4.8
GWh
|
17280
GJ
|
4.9
GWh
|
17640
GJ
|
5
GWh
|
18000
GJ
|
5.1
GWh
|
18360
GJ
|
5.2
GWh
|
18720
GJ
|
5.3
GWh
|
19080
GJ
|
5.4
GWh
|
19440
GJ
|
5.5
GWh
|
19800
GJ
|
5.6
GWh
|
20160
GJ
|
5.7
GWh
|
20520
GJ
|
5.8
GWh
|
20880
GJ
|
5.9
GWh
|
21240
GJ
|
6
GWh
|
21600
GJ
|
6.1
GWh
|
21960
GJ
|
6.2
GWh
|
22320
GJ
|
6.3
GWh
|
22680
GJ
|
6.4
GWh
|
23040
GJ
|
6.5
GWh
|
23400
GJ
|
6.6
GWh
|
23760
GJ
|
6.7
GWh
|
24120
GJ
|
6.8
GWh
|
24480
GJ
|
6.9
GWh
|
24840
GJ
|
7
GWh
|
25200
GJ
|
7.1
GWh
|
25560
GJ
|
7.2
GWh
|
25920
GJ
|
7.3
GWh
|
26280
GJ
|
7.4
GWh
|
26640
GJ
|
7.5
GWh
|
27000
GJ
|
7.6
GWh
|
27360
GJ
|
7.7
GWh
|
27720
GJ
|
7.8
GWh
|
28080
GJ
|
7.9
GWh
|
28440
GJ
|
8
GWh
|
28800
GJ
|
8.1
GWh
|
29160
GJ
|
8.2
GWh
|
29520
GJ
|
8.3
GWh
|
29880
GJ
|
8.4
GWh
|
30240
GJ
|
8.5
GWh
|
30600
GJ
|
8.6
GWh
|
30960
GJ
|
8.7
GWh
|
31320
GJ
|
8.8
GWh
|
31680
GJ
|
8.9
GWh
|
32040
GJ
|
9
GWh
|
32400
GJ
|
9.1
GWh
|
32760
GJ
|
9.2
GWh
|
33120
GJ
|
9.3
GWh
|
33480
GJ
|
9.4
GWh
|
33840
GJ
|
9.5
GWh
|
34200
GJ
|
9.6
GWh
|
34560
GJ
|
9.7
GWh
|
34920
GJ
|
9.8
GWh
|
35280
GJ
|
9.9
GWh
|
35640
GJ
|
10
GWh
|
36000
GJ
|
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