Camaderie: didn't see your post before I replied.
The only option on the 25hp is 70amps. I figured that getting a bigger engine just so I can run a bigger alternator would be overkill.
So I figured I'd stick with that, and if I do find myself missing that extra 30% I guess I could look into wind
gen, more/better solar
, or an alternate alternator (if you will) that would work on the 25.
I don't know what the fridge draws on the boat, but the fridge space is quite small compared to most boat fridges I've seen. So I'm hoping it will be relatively low on power draw.