This statistic illustrates the investment spending on energy-efficient products and services globally from 2014 to 2018, broken down by region. Europe invested the largest amount into energy efficiency technologies in 2018, totaling some 76 billion U.S. dollars.
Value of investments in energy efficiency technologies worldwide from 2014 to 2018, by region (in billion U.S. dollars)*
Characteristic
China
Europe
North America
Other
2014
49
72
47
68
2015
57
74
54
47
2016
50
78
58
51
2017
60
76
48
55
2018
61
76
47
57
050100150200250300
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IEA. (November 5, 2019). Value of investments in energy efficiency technologies worldwide from 2014 to 2018, by region (in billion U.S. dollars)* [Graph]. In Statista. Retrieved June 05, 2025, from https://www.statista.com/statistics/731947/global-energy-efficient-investments-by-region/
IEA. "Value of investments in energy efficiency technologies worldwide from 2014 to 2018, by region (in billion U.S. dollars)*." Chart. November 5, 2019. Statista. Accessed June 05, 2025. https://www.statista.com/statistics/731947/global-energy-efficient-investments-by-region/
IEA. (2019). Value of investments in energy efficiency technologies worldwide from 2014 to 2018, by region (in billion U.S. dollars)*. Statista. Statista Inc.. Accessed: June 05, 2025. https://www.statista.com/statistics/731947/global-energy-efficient-investments-by-region/
IEA. "Value of Investments in Energy Efficiency Technologies Worldwide from 2014 to 2018, by Region (in Billion U.S. Dollars)*." Statista, Statista Inc., 5 Nov 2019, https://www.statista.com/statistics/731947/global-energy-efficient-investments-by-region/
IEA, Value of investments in energy efficiency technologies worldwide from 2014 to 2018, by region (in billion U.S. dollars)* Statista, https://www.statista.com/statistics/731947/global-energy-efficient-investments-by-region/ (last visited June 05, 2025)
Value of investments in energy efficiency technologies worldwide from 2014 to 2018, by region (in billion U.S. dollars)* [Graph], IEA, November 5, 2019. [Online]. Available: https://www.statista.com/statistics/731947/global-energy-efficient-investments-by-region/
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