energy "payback" of PV's [RE-wrenches]

[Don Loweburg, Offline]

In a message dated 07/04/2003 9:47:38 AM Pacific Daylight Time, 
ezra at lasqueti.net writes:

> It's a good question because the PV industry has an energy subsidy from
> fossil fuels in terms of the energy required to manufacture everything
> from the computer we prepare our quotes on to the wrenches we use to
> well ... wrench.
> 

Bouncing off a number of good points in this thread---
Not sure we  need 10 arcane equations to prove whether PV is ok or not. 
Eric's point about net energy is more basic. A very disturbing book on energy in 
general is the Partys Over (reviewed in next HP). The author'sfocus on net 
energy- renewable or otherwise leads to some unpleasant conclusions. In short, the 
global economy has gotten to were it is based on a huge energy subsidy in the 
form of oil and gas. Plug in the economic consequences and the current path 
(globally) is not sustainable.

Best, Don

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