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Does anyone know of a source for concrete ballasted ground mount hardware in the PNW? I'm looking at 3 rows of vertically oriented panels, 8 panels per row. The following hardware is what I am interested in but they only seem to quote for 100kW and larger installs...

I'm installing a ground mount solar system with an 8S3P panel configuration. It will have a maximum Voc of 424 VDC in winter. The panel Isc is 8.9A so with the 3 parallel strings, it would be rated for 26.7A. The PV circuit will need to be sized for => 41.7A. The inverter I am using is an MPP...