> Bullshit. The app is closed source
I didn't say open source, I said it was available on their web site:
http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/US/code/C/pvwattz_hr.c
> Electric data comes from Ventex
The calculator does not use electric data from Ventex. You must be confused with some other tool on the PVWatts web site.
> Solar irradiance info comes from another private partner.
It comes from here, on their web site:
http://rredc.nrel.gov/solar/old_data/nsrdb/
> Are you illiterate
Astonishing. You're wrong in every statement you've made, and you're asking if I'm illiterate? Geez, at least I know how to type into google, which you've proven incapable or too lazy to do.
> NREL are implausible and not verifiable or even peer reviewed
Based on what, numbers you don't even provide a source for? Yeah, good argument. Here, lets see the stellar data you present that causes you so much confusion:
"Bakersfield has twice the number of sunny days as Tampa"
Hmmm, I wonder where this came from? Oh, let me google "number of sunny days in tampa". Ahhh, you got it from Current Results. And you read the *wrong column of data*. "
Maybe you want to consider the actual definition of insolation and then read the "Total Days With Sun" instead of the "Sunny Days" column and compare. Here, I'll do it for you:
http://www.currentresults.com/Weather/California/annual-days-of-sunshine.php
Bakersfield 272
http://www.currentresults.com/Weather/Florida/annual-days-of-sunshine.php
Tampa 244
(272-244)/272 = 10%
From PVWatts:
Bakersfield 1461 kWh/kW/year
Tampa gets 1364
(1461-1364)/1461 = 6.6%
Are you *still* going to tell me those numbers look so terribly wrong to you? You understand the panels still make power on overcast days, right? And you further understand that *every single thing* you've said so far is wrong?