Comment: Quality of energy

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Quality of energy

is a really good point, and unsubsidized cost is a good indicator.

In Kenya, it is CLEARLY more energy efficient to charge a phone with a tiny solar panel than it is to build a coal plant 500 miles away, run power lines and step everything down to 3VDC.

Energy ROI might not be there for a Canadian customer in a big city running his refrigerator, but when the capital costs of delivering conventional power are many orders of magnitude higher than the cost of solar, you can bet the EROI is there, too.

It's not for everything, everywhere, but it makes sense in a lot of places.

Author of Shades of Thomas Paine, a common sense blog with a Libertarian slant.

Also author of Stick it to the Man!