On Wednesday, 25 May 2016 05:54:29 UTC+1, Mike Tomlinson wrote:
ERoEI for Beginners

"The Energy Return on Energy Invested (ERoEI or EROI) of any energy
gathering system is a measure of that systems efficiency"

in other words, if it takes more energy to build energy-producing
equipment than it generates, is it worth it? Example: photovoltaic
cells.

A thought provoking article by Euan Mearns.

http://euanmearns.com/eroei-for-beginners/

--
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(='.'=) Windows 10: less of an OS, more of a drive-by mugging.
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Usual drivel.
This matter has been considered years ago.
http://www.heetma.org/2015/04/embodi...oltaic-panels/