In order to 'stack' inverters on the same AC line, there must be an extra communications channel between the inverters to keep them all in phase with each other. For the most part, this is impossible to do with different brands.
[pdf] It stands to reason that a solar panel must be able to withstand high heat. So, the question remains: what are the best solar panels for high temperatures? In this article, we list 15 of the best solar panels for hig.
[pdf] In the period from Oct 2023 to Sep 2024, 20 suppliers were active, with Fimer S.p.A., GRUNDFOS OPERATION A S, and DANFOSS LLC accounting for 90% of Italy's total Solar Inverter exports. Fimer S.p.A. is the leading Solar Inverter supplier in Italy , constituting 77% of the total with 94 shipments.
[pdf] 
