A megawatt (MW) is a unit of power equal to one million watts and commonly used to quantify the electricity output of power plants and the energy capacity of large-scale renewable sources. To put it into perspective, a single megawatt can power approximately 200 to 1,000 homes for a year, depending on the regional energy consumption and efficiency standards.
Interestingly, major landmarks like the Eiffel Tower consume around 7 MW just for their illuminating beauty, while massive data centers, which power our digital world, can easily require dozens of megawatts to operate. As our dependency on electricity grows, understanding the scale of power like a megawatt highlights the essential conversation around sustainable energy solutions and efficient power generation.
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.
Megawatts | Gigawatts |
---|---|
0
MW
|
0
GW
|
1
MW
|
0.001
GW
|
2
MW
|
0.002
GW
|
3
MW
|
0.003
GW
|
4
MW
|
0.004
GW
|
5
MW
|
0.005
GW
|
6
MW
|
0.006
GW
|
7
MW
|
0.007
GW
|
8
MW
|
0.008
GW
|
9
MW
|
0.009
GW
|
10
MW
|
0.01
GW
|
11
MW
|
0.011
GW
|
12
MW
|
0.012
GW
|
13
MW
|
0.013
GW
|
14
MW
|
0.014
GW
|
15
MW
|
0.015
GW
|
16
MW
|
0.016
GW
|
17
MW
|
0.017
GW
|
18
MW
|
0.018
GW
|
19
MW
|
0.019
GW
|
20
MW
|
0.02
GW
|
21
MW
|
0.021
GW
|
22
MW
|
0.022
GW
|
23
MW
|
0.023
GW
|
24
MW
|
0.024
GW
|
25
MW
|
0.025
GW
|
26
MW
|
0.026
GW
|
27
MW
|
0.027
GW
|
28
MW
|
0.028
GW
|
29
MW
|
0.029
GW
|
30
MW
|
0.03
GW
|
31
MW
|
0.031
GW
|
32
MW
|
0.032
GW
|
33
MW
|
0.033
GW
|
34
MW
|
0.034
GW
|
35
MW
|
0.035
GW
|
36
MW
|
0.036
GW
|
37
MW
|
0.037
GW
|
38
MW
|
0.038
GW
|
39
MW
|
0.039
GW
|
40
MW
|
0.04
GW
|
41
MW
|
0.041
GW
|
42
MW
|
0.042
GW
|
43
MW
|
0.043
GW
|
44
MW
|
0.044
GW
|
45
MW
|
0.045
GW
|
46
MW
|
0.046
GW
|
47
MW
|
0.047
GW
|
48
MW
|
0.048
GW
|
49
MW
|
0.049
GW
|
50
MW
|
0.05
GW
|
51
MW
|
0.051
GW
|
52
MW
|
0.052
GW
|
53
MW
|
0.053
GW
|
54
MW
|
0.054
GW
|
55
MW
|
0.055
GW
|
56
MW
|
0.056
GW
|
57
MW
|
0.057
GW
|
58
MW
|
0.058
GW
|
59
MW
|
0.059
GW
|
60
MW
|
0.06
GW
|
61
MW
|
0.061
GW
|
62
MW
|
0.062
GW
|
63
MW
|
0.063
GW
|
64
MW
|
0.064
GW
|
65
MW
|
0.065
GW
|
66
MW
|
0.066
GW
|
67
MW
|
0.067
GW
|
68
MW
|
0.068
GW
|
69
MW
|
0.069
GW
|
70
MW
|
0.07
GW
|
71
MW
|
0.071
GW
|
72
MW
|
0.072
GW
|
73
MW
|
0.073
GW
|
74
MW
|
0.074
GW
|
75
MW
|
0.075
GW
|
76
MW
|
0.076
GW
|
77
MW
|
0.077
GW
|
78
MW
|
0.078
GW
|
79
MW
|
0.079
GW
|
80
MW
|
0.08
GW
|
81
MW
|
0.081
GW
|
82
MW
|
0.082
GW
|
83
MW
|
0.083
GW
|
84
MW
|
0.084
GW
|
85
MW
|
0.085
GW
|
86
MW
|
0.086
GW
|
87
MW
|
0.087
GW
|
88
MW
|
0.088
GW
|
89
MW
|
0.089
GW
|
90
MW
|
0.09
GW
|
91
MW
|
0.091
GW
|
92
MW
|
0.092
GW
|
93
MW
|
0.093
GW
|
94
MW
|
0.094
GW
|
95
MW
|
0.095
GW
|
96
MW
|
0.096
GW
|
97
MW
|
0.097
GW
|
98
MW
|
0.098
GW
|
99
MW
|
0.099
GW
|
100
MW
|
0.1
GW
|
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