[PLUG-TALK] solar energy
bill at billbarry.org
Wed Dec 6 23:48:50 PST 2006
Here's a couple of papers I found following up on this
These seem to be 3 junction solar cells with different bandgaps in each
for absorbing different parts of the spectrum. Pretty impressive.
On 12/6/06, Edward Terry <eterry at openboxbuilder.com> wrote:
> >> How many years to recover the cost of installation?
> > I asked him, and though I don't remember the exact amount, I think about
> > of it was payed for
> > With tax-credits right away, with the solar taking about 10 years, and
> > hot-water taking about 5.
> Speaking of solar energy, the DOE has announced that Boeing-Spectrolab
> has created a solar cell with 40.7% efficiency.
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