Solar Storage Via Hydrogen [RE-wrenches]

[Joel Davidson]

Several years ago, Solec made the solar cells for this hydrogen project.
If you are in the Los Angeles International Airport area, you can see
the system from Aviation Street.
http://www.hygen.com/solar_hydrogen_generating_facili.htm

"Scott Suddreth, Rock Castle Solar" wrote:
> 
> Fellow wrenches,
> 
>         I'm working with a college who is building an "Ecodorm " They have a
> little over 5 kw of Siemens pv that will be covering the roof and serving as
> shading devices for the building.   They will also have hot water panels
> preheating two Munchkin boilers for radiant heat for the whole building. The
> local utility will not net meter but only offer the $0.02 perkwh for
> generated cost. The concern is, that during a few times of year due to the
> college schedule, the building's loads will be practically nothing and we
> are trying to come up with worthy solutions of storing that surplus power.
> We are in the process of getting a hydrogen fuel cell to integrate into the
> system for demonstraton purposes as electrical generation and congenration
> with its waste heat aiding the solar system  to preheat water. My question
> to the group is: Is it feasible to use that excess power to directly drive
> an electrolyzer to split water to generate Hydrogen to store to later feed
> the fuel cell? I have never seen such a setup, but it seems like a good
> concept. Has anybody heard of this or have any other good ideas on other
> alternative ways to store surplus power. (I have also considered compressing
> air).
> 
>     Secondly, does anybody have charts or tables or weblinks to rules of
> thumb for determining flow rates for flat plate solar water loops. I thought
> i had some but cannot seem to find it.
> 
> Thanks in advance.
> 
> Scott Suddreth
> Southface Energy Institute
> Boone, NC
> grateful at boone.net
> 
> "Every minute, we send another $200,000 to the Middle East for oil"
> How much time do we have?
> 
> (formerly with Rock Castle Solar)
> 
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