PV north facing in US [RE-wrenches]

[Bill Roush]

Why North facing? I will never speak ill of a client, they are so rare
in these parts, so my lips are sealed.

Best,
Bill Roush
Solar Electric Systems/KC, Inc.

  


-----Original Message-----
From: Joel Davidson [mailto:joeldavidson at earthlink.net] 
Sent: Monday, July 21, 2003 9:17 PM
To: RE-wrenches at topica.com
Subject: Re: PV north facing in US [RE-wrenches]

Bill,
You can input north-facing azimuths in PVWATTS
http://rredc.nrel.gov/solar/codes_algs/PVWATTS/version1/text_only.html
I've heard about north-facing arrays in Hawaii because the islands are
so
close to the equator and I saw a grid-connected 25 kW array in India
that is
manually tilted north and south depending on the season. But PV on a
north-facing roof in the U.S.? Why?
Best,
Joel Davidson

Bill Roush wrote:

> I am not finding the references I see periodically to de-rating for a
> north facing roof in the US. Any links for me?
>
> Best,
> Bill Roush
>
>
>
>
>
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