Fwd: Re: BBC News: Molten metal batteries for the grid

[kf4hcw]

On 2014-09-22 08:00, William Danielson wrote:
> wind turbines that in the end cradle to grave are a "net loss"
I found this analysis showing wind turbines  have a net gain > 20x

http://www.sciencedirect.com/science/article/pii/S096014810900055X

I also found this:

http://www.carbonbrief.org/blog/2013/03/energy-return-on-investment-which-fuels-win/

Shows EROI on hydroelectric at 40+ and wind at 20+

Found this on life cycle emissions:

http://aweablog.org/blog/post/setting-the-record-straight-about-winds-lifecycle-emissions-and-return-on-energy-invested

Hope that helps,
_M

-- 
kf4hcw
Pete McNeil
lifeatwarp9.com/kf4hcw