Phoenix Heat + Powerwalls = shortened Lifespan?

[justsomerandom]

I live in Phoenix and have SRP so the buy/sell difference on-peak to 3X, 8 cents off-peak, 28 cents on-peak up until 8pm so the PV is not generating much if any energy and the system should use PW.

My issue is that when it is hot, like in the summer, the PW throttles its output to 1.0kw, both my HVACs pull 6+kw so my Tesla system primarily relies on the grid during on-peak times, so there really isn't any savings. Tesla says this is normal.

Not really capacity longevity in hot climates but severely limited performance.

Is your powerwall outside in direct sunlight?

 

[ptdusn]

Is your powerwall outside in direct sunlight?

It's on the east side of our house and only gets 3 hours of direct sunlight during the summer. It then get shaded by our house. In winter, it's shaded all the time.