[amsat-bb] HIgh efficiency solar cells for cubesats
josepharmbruster at gmail.com
Wed Aug 31 18:40:49 UTC 2016
Not sure if you can disclose or not but were the ones you purchased
On Wed, Aug 31, 2016 at 1:04 PM, Robert Bruninga <bruninga at usna.edu> wrote:
> We just bought some high efficiency solar cells for our cubesat at $500 per
> For what it is worth, that is 1600 times more expensive than home solar
> panels now down to 30 cents a watt. So I plotted it:
> It is interesting that we hear so much about solar getting cheaper, but in
> fact, the high end only gets more expensive. That is why those people who
> say “I’m waiting for higher efficiency” will never see it be cost
> effective. The space industry will always pay much,much more for just a
> factor of two increase, whereas the homeowner will only ever pay the
> cheapest. And cheap it is!
> Solar power is now cheaper than a custom glass window of the same size.
> The cost of the solar cells is only 10% of the typical home installation
> (recently seen as low as $2.70/watt contractor price in PA).
> Bob, WB4APR
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