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  1. J

    What is your reserve percentage set to and why?

    i'm set to 5% b/c i have a generator
  2. J

    Zombie Apocalypse

    an earthquake may not be strong enough to make your home unsafe but ng lines extend well beyond your property
  3. J

    PowerWall 2 Interface with a Generator

    there is no communication between the generator and tesla, so any model generator will work tesla uses 2 current transformers clamped around the generator feed lines to display generator kw on the tesla app ats switching is not load based if tesla's ats senses utility is out, then it uses...
  4. J

    Zombie Apocalypse

    ng gives you a greater supply than lpg you do lose a little power on ng compared to lpg ng may not be the best choice in an earthquake-prone area
  5. J

    Generator Charging Powerwall?

    you can charge powerwalls with generator in an off-grid configuration do powerwalls charge with ac ? seems wasteful to convert dc from solar to ac then back to dc for battery i assumed powerwalls were charged with dc but i could be wrong
  6. J

    Day 1 of install of 14.28kW system with 4 Powerwalls

    i know your frustration i called the hvac installer, he's gone out of business i called a repair guy i had once used, said he was only familiar with hard starts & had never heard of a soft start i called 1 of the large chains who wanted $600 for labor i called a local guy with the highest...
  7. J

    Day 1 of install of 14.28kW system with 4 Powerwalls

    here's another vote for adding a soft start to each hvac compressor. my inrush load dropped from 115 to 24 amps on my 4ton hvac
  8. J

    Solar Panels/Powerwalls and Generator - have to manually restart each morning!

    i just had a generac 22kw installed with 3 powerwalls & solar. it was explained to me upfront that everything would be automatic except the fail-back from generator to batteries. fail-back from generator to utility should be automatic. i don't recall anyone stating the logic behind this but i...
  9. J

    Is operating off grid in backup mode allowed before PTO?

    home is 20yrs old. meter is 2wks old. it was replaced during phase1 of solar install where i combined 2 meters into 1 & had 2 manual transfer switches removed. you'd of thought they would have installed a 2way meter since they knew it would soon be needed. supposedly they need an inspection...
  10. J

    Self installation of a PowerWall

    have you looked into a generac pwrcell. they're not as cheap as a powerwall but may be a viable alternative
  11. J

    Zombie Apocalypse

    generators can charge the battery in an off-grid config, see attachment. the same capability exists in grid-attached configs but is disabled via software. if tesla allowed you to charge their battery with a generator (non-green energy source) then they would lose their fed tax credits. after...
  12. J

    Geothermal?

    if it "runs for not too many minutes before turning off" it could be oversized. google "short cycling a/c" short cycling will wear out the unit more rapidly than normal
  13. J

    Is operating off grid in backup mode allowed before PTO?

    my installers explained that pto would include an install of a 2way meter & that the existing 1way meter was only capable of measuring flow and not direction. so if you were to back-feed to utility you would be charged for all power sent to grid
  14. J

    Prepping unfinished garage wall before install

    powerwalls can be cabled from side or rear. i'd go out the rear into drywall for a cleaner look. i placed my pw's in the back right corner of garage parking bays with tesla logo facing forward. if i could do it over, i'd turn them sideways so logo faces to the left & the cool glowing green...
  15. J

    More Powerwalls or Solar

    when you say you charge your powerwalls by 1pm in the summer is that while also utilizing solar for power your home. if so then it sounds like you have plenty of panels however, more panels could decrease the usage of the powerwalls & therefore lengthen their lifespan due to their limited...
  16. J

    PowerWall 2 Interface with a Generator

    read attached pdf, it's for off-grid but still useful info just had a 22kw generac with 3 powerwalls & solar installed this week tesla's backup gateway is ats between utility & solar/battery & it feeds the generac ats as the utility feed there's a pair of current transformers on the generator...