Average cost overrun for energy infrastructure projects as of 2014, by project type

This statistic displays as a percentage the average cost overrun for electricity consumption projects across various project types, as of January 2014. Data is based on 401 energy infrastructure projects realised around the world. Nuclear reactor construction had the highest average cost overrun among the different types. On average the cost overrun for nuclear reactor projects was 117.3 percent.

Average cost overrun for energy infrastructure projects worldwide as of 2014, by project type

Characteristic	Average cost overrun
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Release date

July 2014

More information

Region

Worldwide

Survey time period

As of January 2014

Supplementary notes

Figures are based on data collected by the authors Benjamin Sovacool, Alex Gilbert and Daniel Nugent.
Study included 401 electricity infrastructure projects.
Cost figures were adjusted for currency differences and inflation based on the United States Dollar at 2012.

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