The winter months are brutal!!!


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J_Mack58

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J_Mack58

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Apr 7, 2021
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Not really severe weather, but for us DIYers relying on the Sun these cloudy days are like Tornados, Hurricanes, earthquakes,Tsunamis and hail storms all in one. We are in survival mode. 15kWh battery is useless if you can’t charge it. Excuse my rant I installed my system in the summer…. This my first winter. Anyway with 1.2kW worth of panels to charge my Powerwall the panels made 1.06kWh guess we had the equivalent of 1 hour of sunshine. My 2.6kW REC panels grid tied through my SMA inverter made 1.471Wh of power for the day. I remember making 16 -20kWh’s/day this pass summer.
How is everybody else doing?
 

J_Mack58

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Apr 7, 2021
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I got 10.4 kWh’s today so my rant is over. Got to take the good with the bad and roll with it.
 

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Dr. Dickie

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Sep 23, 2020
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I know it is not as bad as some of you are experiencing, but yesterday was rainy with complete cloud cover--got next to nothing going into the battery. Battery handled one day of clouds.
But here is what is expected today and tomorrow:
1639996926465.jpeg

Battery is only down to 52.5 V and cut off is about 49V, but no way it is making it for 48+ hours with no sun.
It is disappointing to have done all of this and not be able to ride out three days of no sun, but that is the reality.
 

OffGridInTheCity

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On a 13kw PV array - In Dec 2020 I had 311kwh thru the 19th = avg 16.4kwh/day. This year I've had 173kwh = 9.1kwh/day.

That's only 56% of last year. The extended forcast is rain, clouds, rain, clouds, as far as it goes out. Sigh.....
 

J_Mack58

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Joined
Apr 7, 2021
Messages
145
I know it is not as bad as some of you are experiencing, but yesterday was rainy with complete cloud cover--got next to nothing going into the battery. Battery handled one day of clouds.
But here is what is expected today and tomorrow:
View attachment 26652

Battery is only down to 52.5 V and cut off is about 49V, but no way it is making it for 48+ hours with no sun.
It is disappointing to have done all of this and not be able to ride out three days of no sun, but that is the reality.
Doc once you get pass Tuesday you got it made in the shade.... Opppss I mean SUN! That's nice forecast data, especially the Cloud Cover(%) I could plan my consumption and alternate power strategy with it. Where did you get it?
 
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