[RE-wrenches] Insolation radiation to performance numbers...

[Bill Brooks]

Don,

 

PV:WATTS version 1 is easiest to use and it is available at
http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/. It covers fixed
tilt, single- and two-axis tracking for standard crystalline silicon
modules. My confusion had to do with whether the 5.9 kWh/m2/day was a fixed
tilt value or single-axis tracker. Not knowing the location makes that
impossible to figure out. PV:WATTS version 2 is what the CSI program uses to
calculate EPBB rebate. Unfortunately, the EPBB calculator does not access
the single- and two-axis tracking parts of PV:WATTS version 2. 



PVSYST is available online from Switzerland at www.pvsyst.com

 

Bill.

 

From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of I2P at aol.com
Sent: Tuesday, November 04, 2008 10:54 AM
To: re-wrenches at lists.re-wrenches.org
Subject: Re: [RE-wrenches] Insolation radiation to performance numbers...

 

In a message dated 11/4/2008 9:45:57 A.M. Pacific Standard Time,
billbrooks7 at yahoo.com writes:

If really want to get serious, use PVSYST.

Hi Bill, Where is this available?. I'd like to check it out.

 

Thanks,  Don Loweburg





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