[Greenbuilding] Fwd: NREL PV sizing calculator

Steven Tjiang steve at tjiang.org
Wed Nov 30 17:14:54 PST 2011


Try http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/

AFAIK pvwatts.org has never been PVWATTS and is web spam.

When in doubt, google search for pvwatts.  Google will usually find the
"real" one.

---- Steve (KZ6LSD)


On Wed, Nov 30, 2011 at 5:12 PM, Douglas E Lamb <douglaslamb at columbus.rr.com
> wrote:

> **
>
> They both worked for me.
> Try rebooting your computer, clean up some disk space and clear internet
> history then try again.
> Nice sites by the way.
> Thx.
> Doug Lamb
> 614.323.2005
> douglaslamb at columbus.rr.com
>
>
>
>  ------------------------------
> *From:* greenbuilding-bounces at lists.bioenergylists.org [mailto:
> greenbuilding-bounces at lists.bioenergylists.org] *On Behalf Of *Reuben
> Deumling
> *Sent:* Wednesday, November 30, 2011 8:04 PM
> *To:* Greenbuilding
> *Subject:* [Greenbuilding] Fwd: NREL PV sizing calculator
>
> Can anyone here help diagnose what happened to these two (formerly very
> useful) links? I can't make either work, and the pvwatts.org seems to
> have died and been reborn as something not very useful. Did the info there
> migrate somewhere else?
>
> Thanks.
>
> ---------- Forwarded message ----------
> From: Reuben Deumling <9watts at gmail.com>
> Date: Thu, Mar 11, 2010 at 3:56 PM
> Subject: Re: NREL PV sizing calculator
> To: "GREENBUILDING at LISTSERV.REPP.ORG" <GREENBUILDING at listserv.repp.org>
>
>
> I just realized that the url doesn't update as you navigate through the
> site. It is a little more involved to get to the interactive map of the
> US...
> You can try this link:
> http://mapserve3.nrel.gov/NREL_FlexViewer/index.html.
>
> On Thu, Mar 11, 2010 at 3:41 PM, Reuben Deumling <9watts at gmail.com> wrote:
>
>> I suppose many of you are already familiar with this, but I just
>> discovered it.
>> Fantastic outputs (monthly estimated kWh) for purposes of sizing one's PV
>> system based on the location, and a carefully itemized derating factor.
>> http://www.pvwatts.org/
>>
>
>
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