It’s certainly viable for everything except motoring distances and running many air conditioners. Motoring can be short if you sail most of the time. This leaves air conditioning. I doubt they could solve that. Run a single AC unit, sure, run many, doubtful.
Warren S/V Scuba Doo Lagoon 50 (winner of best crewed yacht under 55 feet at the St. Thomas crewed yacht boat show).
.
