My stone age fridge uses 1.58 kw hours a day. Ive found that turning off things with heat pumps they actually use more elctricity. Did a test with an AC . Dont have the numbers any more . But power off vs leaving it on say 70 degrees during the day. Left it on and it was less electrical load.
Unless your just set on running everything completely off grid . Check into the grid tied first . Then later on add a small battery bank for backup.
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