PV north facing in US [RE-wrenches]

[Joel Davidson]

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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