That's smart!
Saving inverter losses is a big deal, I imagine they'll have 24 and 48 volt models. I wouldn't think they'd use high voltage as most high voltage systems go down with the grid.
My system is 48V, I hope this is a trend to run houses on DC, with today's electronics it's so much nicer. I really like 48V, wire sizes aren't bad, nobody gets electrocuted and it's compatible with off grid systems.
Rob
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