GSR Posted February 16, 2020 Report Share Posted February 16, 2020 (edited) I have read a lot about the new requirement for solar on new construction in California in 2020, but can't seem to find a clear unambiguous description of what capacity system is required, even on California government sites. Does someone know what the requirement really is. I know what solar companies say I should need, and I know what I really need, but what will California say I need for a new system when I try an pull a permit? I am trying to spec out a system for a 6,000 square foot house (two floors, excluding basement and attic) in the mountains of southern California. My current electricity usage is a yearly maximum of 6.7 kWh daily average for a house that is about 1500 sq ft, with gas heating and appliances. To keep the state happy, what capacity system (in Watts) will the state require to issue a permit for this 6,000 sq ft dwelling, with one occupant, gas appliances and gas forced air heating, and no air conditioning (not needed in the mountains). House will receive abundant sunlight - no shading at all. Driving around southern California I notice that new construction with solar panels (built second half of 2019) have about 8-9 panels for fairly large houses (your typical SoCal built to the property line houses). For typical panels that would seem to be less than 3,000 W. Edited February 16, 2020 by GSR Quote Link to comment Share on other sites More sharing options...
Tom Raymond Posted February 16, 2020 Report Share Posted February 16, 2020 Gas appliances? Your going to get permit approval prior to the NG prohibition? Quote Link to comment Share on other sites More sharing options...
GSR Posted February 16, 2020 Author Report Share Posted February 16, 2020 Yes. 1 Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted February 16, 2020 Report Share Posted February 16, 2020 Why not call your local building department and ask? Quote Link to comment Share on other sites More sharing options...
GSR Posted February 16, 2020 Author Report Share Posted February 16, 2020 They only take questions one hour early in the morning. So far no luck ever getting through. The local office is only open two afternoons a week to accept plans. Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted February 17, 2020 Report Share Posted February 17, 2020 Then I suggest showing up in person early in the morning. Quote Link to comment Share on other sites More sharing options...
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