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Energy Return on Investment: Toward a Consistent Framework
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Energy Return on Investment: Toward a Consistent Framework

Author: Kenneth Mulder; Nathan John Hagens
Edition/Format: Article Article : English
Publication:AMBIO: A Journal of the Human Environment, v37 n2 (03 2008): 74-79
Other Databases: WorldCatWorldCatWorldCatWorldCat
Summary:
Numerous technologies have been proposed as partial solutions to our declining fossil energy stocks. There is a significant need for consistent metrics to compare the desirability of different technologies. The ratio of energy produced to energy consumed by an energy production technology—known as the energy return on investment (EROI)—is an important first indicator of the potential benefits to society.  Read more...
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Document Type: Article
All Authors / Contributors: Kenneth Mulder; Nathan John Hagens
ISSN:0044-7447
Language Note: English
Unique Identifier: 4630498947
Notes: Research Article
Kenneth Mulder is an adjunct assistant professor of Environmental Studies at Green Mountain College. His address: Green Mountain College, 1 College Circle, Poultney, VT 05764, USA. mulderk@greenmtn.edu
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Abstract:

Numerous technologies have been proposed as partial solutions to our declining fossil energy stocks. There is a significant need for consistent metrics to compare the desirability of different technologies. The ratio of energy produced to energy consumed by an energy production technology—known as the energy return on investment (EROI)—is an important first indicator of the potential benefits to society. However, EROI analysis lacks a consistent framework and has therefore yielded apparently conflicting results. In this article, we establish a theoretical framework for EROI analysis that encompasses the various methodologies extant in the literature. We establish variations of EROI analysis in two different dimensions based on the costs they include and their handling of nonenergy resources. We close by showing the implications of the different measures of EROI upon estimating the desirability of a technology as well as for estimating its ultimate net energy capacity.

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ive been browsing arund and happened to stumble on this mysterious piece. I’m excited to unleash the mysteries 

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