2.2kwh of daily use and 3.2 kWh on laundry days at +25% on top probably don't need 10 then x.x
That is very useful information.
With the 10 panels, I start thinking about setting four to six up in a south facing direction. I have not done all in one systems, but for a inverter, need to look at what the laundry machine will draw. The motor will pull more than its rated wattage and will need a higher powered solar inverter for that laundry machine than the wattage that would run the same wattage machine an a gas generator.
For the limited panels being set up, that lets you get some data, and you can go back at a later date for adding more in an east facing direction for early morning power, and a west facing direction for evening power. THis will really be based off your usage.
You’ll be pushing more amperage than your batteries need, at most points, so I recommend a lithium battery pack so you can push as much as possible into the batteries. With this, you can run your washer at noon after the battery pack is charged and there’s enough sun on those panels or replace the batteries as quick as its drawn.
In my signature block, there’s a link for same system, different areas, big difference. That shows how its relatively easy to set a system up in a solar paradise where I live in Arizona compared to a cloudy Seattle area. Also goes into a good explanation of what is needed for battery backup for cloudy weather. Different in both areas.
When I did my calculation for that worst weather time of year, I got enough to make it through a couple days on my worst uses. TUrns out most days my usage is much lower, so my battery power could last days or weeks.
THere’s an infinite number of ways to put this together, and my best way will be way different than someone else’s.
