Traditional data centers globally have decreased their energy demand, from around 97.6 terawatt hours in 2015, to some 50 terawatt hours in 2019, and a forecast indicated that this figure will reach nearly 33 terawatt hours by 2021. On the other hand, hyperscale data centers have doubled their energy demand in the same period of time.
Energy demand in data centers worldwide from 2015 to 2021, by type
(in terawatt hours)
Characteristic
Traditional
Cloud (non-hyperscale)
Hyperscale
2015
97.62
61.97
31.11
2016
83.72
70.33
41.21
2017
70.11
75.14
49.78
2018
60.55
76.27
60.87
2019
50.42
71.7
69.72
2020*
41
72.9
76.23
2021*
32.61
71.62
86.58
0255075100125
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IEA. (March 25, 2020). Energy demand in data centers worldwide from 2015 to 2021, by type (in terawatt hours) [Graph]. In Statista. Retrieved February 21, 2025, from https://www.statista.com/statistics/186992/global-derived-electricity-consumption-in-data-centers-and-telecoms/
IEA. "Energy demand in data centers worldwide from 2015 to 2021, by type (in terawatt hours)." Chart. March 25, 2020. Statista. Accessed February 21, 2025. https://www.statista.com/statistics/186992/global-derived-electricity-consumption-in-data-centers-and-telecoms/
IEA. (2020). Energy demand in data centers worldwide from 2015 to 2021, by type (in terawatt hours). Statista. Statista Inc.. Accessed: February 21, 2025. https://www.statista.com/statistics/186992/global-derived-electricity-consumption-in-data-centers-and-telecoms/
IEA. "Energy Demand in Data Centers Worldwide from 2015 to 2021, by Type (in Terawatt Hours)." Statista, Statista Inc., 25 Mar 2020, https://www.statista.com/statistics/186992/global-derived-electricity-consumption-in-data-centers-and-telecoms/
IEA, Energy demand in data centers worldwide from 2015 to 2021, by type (in terawatt hours) Statista, https://www.statista.com/statistics/186992/global-derived-electricity-consumption-in-data-centers-and-telecoms/ (last visited February 21, 2025)
Energy demand in data centers worldwide from 2015 to 2021, by type (in terawatt hours) [Graph], IEA, March 25, 2020. [Online]. Available: https://www.statista.com/statistics/186992/global-derived-electricity-consumption-in-data-centers-and-telecoms/
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