Free performance Calculator

[sambotc]

I know this has been done to death but for those who cannot afford PVsol, what's the next best (free) alternative?

Cheers, Sam

 

[The Solar King]

If you can cope, have a look at RETScreen. It contains a PV module. It is free to download.

 

[sambotc]

I'll have a look and see if i'm up to it!

Thanks

 

[Somecamel]

SAP Calculation Solar PV SAP Calculator

System Check depends on Inverter but if you stick to say SMA and Power-one they have the software you can use for free.

Downloads. SMA Solar Technology AG

or for Powerone

Power-One String Tool

Hope this helps