Canadian 365w Vs Longi 370w

Which is the better option out of these two for a 6.6kw system?
18 X 365W Canadian Solar (CS3L-365MS)
18 × 370W LONGi Solar Hi-MO4m - LR4-60HPH-370M

Also, is it better to add all 18 panels north facing or 12 north and 6 west facing?
Thank you.

It’s hard to separate those. See here:

Having them all face north will give you more solar generation overall, however having panels facing west will give you more solar generation in the afternoon. So it depends a bit on when you are using electricity at your home, and what your solar feed-in-tariff is.

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