Size of solar power.
As mentioned previously install a Victron or Balmar battery monitor and determine what your actual battery amp hour usage is. Using that info you can factor in what your battery bank size is and how many solar panels you might need.
Now, on my 43' 1984 Ocean Alexander I use...
Weber Q1000
I have had a number of overpriced under performing marine grills. Bought a Weber Q1000 put it on a fish cleaning table that fits into a rod holder. Done. Always stays lit and with the fish cleaning station you $275 into it. Priceless
Tom K
43’ Ocean Alexander