What a frightening thought: golf-ball sized hail over solar collectors!!!
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Mr. P.V.'d (formerly Droll Troll), Yonkers, NY

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entropic3.14decay at optonline2.718 dot net; remove pi and e to reply--ie,
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wrote in message
...
On Mon, 13 Nov 2006 18:54:49 GMT, "Pete C."
wrote:

Quite a long time. I believe most of the major manufacturers of PVs have
something around 25 year warrantees. If they warranty them for 25 years
I'd expect real world life with modest care in an average environment to
be 40 years or better.


When they actually get 25 years of experience with the current
technology I would believe that. I also doubt the warranty covers
anything but total failure. Your problem is these things start losing
efficiency over time so your 10kw array may only be giving you 3 or 4
kw after a while. The warranty doesn't do anything for a lightning
strike, hail or a wind blown debris.