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energy return on investment (eroi)

EROEI Explained

December 22, 2011 by Robert Rapier
with 259 views
0

In this week’s episode of R-Squared Energy TV I present the first of several mini-presentations on energy topics of interest. The presentations will be short, 5 to 8 minute presentations with 3 to 5 slides each. This week’s presentation is on Energy Return on Energy Invested (EROEI). I believe there are a lot of misunderstandings from both proponents and opponents of EROEI methodology, and I attempt to clear up some of the misconceptions. [read more]

Non-proliferation Community Working To Hamper Innovation That May Reduce Both Cost and Power Consumption

May 29, 2010 by Rod Adams
with 390 views
2

I often suspect that the raison d'etre for the nuclear weapons non-proliferation community is to add barriers that restrict the beneficial use of nuclear energy. Many prominent spokespeople from that community can be counted on to make proclamations of worry for any innovation in the fuel cycle that improves performance, lowers costs,... [read more]

Energy Internal Rate of Return (EIRR) Numbers from a Literature Review

May 21, 2010 by Tom Konrad
with 363 views
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Jamie Bull at oCo Carbon Blog has conducted a literature review of Energy Return on Investment (EROI) for electricity generation technologies. He also calculated Energy Internal Rate of Return (EIRR), a concept I promoted here and here to incorporate the timing of energy flows. Timing of energy flows is as important as total energy... [read more]

TCASE 8: Estimating EROEI from LCA

March 8, 2010 by Barry Brook
with 496 views
2

The concept of energy return on investment (EROI), often called energy returned on energy invested (EROEI), is a simple and familiar one. Here is the short definition, from the Encyclopedia of Earth. To cite: ———————————————– Energy return on investment (EROI) is the ratio of the energy delivered by a process to the energy... [read more]