J jaggedben Senior Member Location Northern California Occupation Solar and Energy Storage Installer Feb 13, 2017 #21 pv_n00b said: ... NREL SAM is free, better than PVWatts becasue it lets you specify equipment and unlike PVSyst is free. I use both depending on the situation. Click to expand... Thanks for that, I hadn't heard of it before.
pv_n00b said: ... NREL SAM is free, better than PVWatts becasue it lets you specify equipment and unlike PVSyst is free. I use both depending on the situation. Click to expand... Thanks for that, I hadn't heard of it before.
