[Greenbuilding] Photovoltaic Life Expectancy
elitalking at rockbridge.net
Fri May 20 07:18:03 PDT 2011
I found this link to answer my own question. Other comments and sources are
PV warranties typically allow for 20 percent output degradation over the
module's 20- to 25-year warranty life. But measurements of many modules put
into service in the 1980s show that it's unusual to see even half that much
degradation. Many of those earliest modules still perform to their original
specifications. It is safe to say that modules carrying warranties of 20
years or more have a high probability of working well 30 years from now.
----- Original Message -----
From: "elitalking" <elitalking at rockbridge.net>
To: "Green Building" <greenbuilding at lists.bioenergylists.org>
Sent: Thursday, May 19, 2011 9:42 PM
Subject: [Greenbuilding] Photovoltaic Life Expectancy
>I have been asked by a client what is reasonable expectation for life
>expectancy of photovoltaic array. We are considering an installation
>similar to Gary's.
> I would like to hear a discussion about durability.
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