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  1. Parzival

    Powerwall Software 1.45.0

    I got 1.45.1, no issue with the reserved IP address changing. I had an issue with my burglar alarm losing its reserved IP address once. After a software update, the embedded network stack permanently lost the MAC address that was assigned during manufacturing. It's now using a default MAC...
  2. Parzival

    Firmware 1.20.0

    That's funny--the installers who put my Powerwalls in were unable to do the commissioning process on their own, and they had me do it.
  3. Parzival

    Firmware 1.20.0

    Wow, that sucks. I still have web access to mine, and I am probably one of the owners who is "abusing the interface" ... if by abuse they mean pulling data once a second and stuffing it into a time-series database. Having that data, by the way, made it easy to prove one of my inverters was...
  4. Parzival

    Firmware 1.20.0

    My Powerwall stack got updated to 1.20.0 today. No release notes so far -- nothing looks different in the app. Anyone know anything?
  5. Parzival

    .24 upgrade Tesla Wall Charge maxes out at 32 amps now instead of 48

    No power limitations here when using HPWC on 2018.24.1.
  6. Parzival

    Is there a electrical reason for two+ PowerWall 2s vs PV system size?

    I have a 4-ton two-speed compressor (Carrier/Bryant) and it works fine with the SureStart, so I assume there must be other factors.
  7. Parzival

    First PowerWall2 installed in Houston TX.

    The Powerwall 2 has liquid thermal management, so at a minimum it has pumps and fans. I'm not sure if it has active cooling/heating or not. I put mine in the garage, and they're a lot quieter than my EV's are when they charge. The fans only kick in under load, and they're variable speed, but...
  8. Parzival

    VIN Assignment

    If they try to tell me they left voicemail, that will be a fun conversation. I disabled my voicemail because it's freaking 2018 ... send a damn email or text, I don't want voicemail.
  9. Parzival

    VIN Assignment

    It could be something as simple as a supplier backlog for the 18's ... maybe Tesla predicted the wrong product mix.
  10. Parzival

    VIN Assignment

    I think it's likely I just happened to pick a configuration that's built and unassigned. If you ordered the same config and no VIN, I'd think that was super-weird.
  11. Parzival

    VIN Assignment

    Ordered today 4/4 Got VIN today 4/4 #152xx Houston Midnight silver metallic, 19", EAP
  12. Parzival

    Software versions for Powerwall 2?

    I have never seen this issue. I am on v1.15, and have had my units since September.
  13. Parzival

    Software versions for Powerwall 2?

    I got Powerwall 1.15.0 today. There's nothing outwardly new about it in the app. I haven't investigated the commissioning wizard.
  14. Parzival

    Powerwall & homeowner's insurance

    I haven't contacted my insurance company about it yet. I guess I'll get it all squared away after I get my Model 3, as I'll have to shop around anyway. $60 a year is quite a deal, though. I was expecting quite a lot more.
  15. Parzival

    Can a North American 60Hz Powerwall 2 Work With a 50 Hz Utility Grid

    DC powerwall is no longer manufactured
  16. Parzival

    Can a North American 60Hz Powerwall 2 Work With a 50 Hz Utility Grid

    You set the grid code during the commissioning process. I am not sure if it can be changed later, but it looks possible. The AC PW2 seems to be a worldwide SKU. With the correct installation and gateway, it will charge from solar while the grid is down. It apparently also keeps some untapped...
  17. Parzival

    First PowerWall2 installed in Houston TX.

    This is a Houston thread. There is no SGIP in Houston.
  18. Parzival

    Long term regular use of home PowerWall 2 system with solar

    I use self consumption, usually keeping 30-50% as backup depending on weather. But if I was given the option to keep the Powerwalls at 80% SOC, I might be inclined to leave them there just to avoid the efficiency losses and avoid cycling the batteries too much. As is, since we don't have that...
  19. Parzival

    MQTT bridge

    Is there a github link? What's in the container?
  20. Parzival

    Discrepancy between app and Powerwall API

    Oof--that's even worse than a Windows dependency.
  21. Parzival

    Time of Use Power Shifting for Powerwall 2

    Anyone with Solar and Powerwalls on the grid already has an export agreement in place for solar...
  22. Parzival

    Time of Use Power Shifting for Powerwall 2

    Multiple Powerwalls have multiple inverters. They just get paralleled. The DC powerwall is discontinued.
  23. Parzival

    What is going on with the price of the Tesla Gen 2 Wall Connector?

    They were ultimately shipped and sold by Tesla, so regardless of whatever funny business is going on, they should be warrantied. Save that packing slip.
  24. Parzival

    "Switch to my home" setting in app on 1.11.2

    I can’t speak for others, but the service disconnect that Tesla put on the side of my house is a comically large commercial unit.
  25. Parzival

    Is there a electrical reason for two+ PowerWall 2s vs PV system size?

    Tesla put a SureStart on my A/C at no cost to me. The thing works like magic. My unit was pulling well over 100A, I don't recall exactly, but now it's like 20A at start. The thing over-delivered. No more dimming lights and it's quieter, too.
  26. Parzival

    Time of Use Power Shifting for Powerwall 2

    FWIW, my retail electric provider (MP2 Energy) is working on incentive plans for EV charging as well as Powerwalls for later in 2018. They would not tell me exactly what the plans are, but since I have both, I signed up to get the details later. I would not mind selling energy to the grid from...
  27. Parzival

    What is going on with the price of the Tesla Gen 2 Wall Connector?

    Mine was drop shipped from Tesla's Fremont distribution center
  28. Parzival

    What is going on with the price of the Tesla Gen 2 Wall Connector?

    That explains why my tracking number shows it's coming from California and not Canada... I guess that also means the warranty will be valid. Sad to hear I am supporting some kind of scam, though.
  29. Parzival

    What is going on with the price of the Tesla Gen 2 Wall Connector?

    I ordered one a few days ago and got a Fedex tracking number for it. I figure at that price I can live without a warranty.
  30. Parzival

    Discrepancy between app and Powerwall API

    Tesla doesn't like to use Wi-Fi because spotty connectivity becomes a support issue, so they prefer Ethernet or LTE. There's a good chance they just connected it using LTE. If there's a strong Wi-Fi signal from your house where the gateway is located, you can reconfigure it to use Wi-Fi. Or...
  31. Parzival

    Discrepancy between app and Powerwall API

    You're not looking at DHCP leases, you're looking at W-Fi networks. How is your gateway connected to your network? Wi-Fi or Ethernet or not at all?
  32. Parzival

    Discrepancy between app and Powerwall API

    You will most likely need to log into your router and look at the DHCP leases. Look for a device name starting with TEG-
  33. Parzival

    Elon Help Me!

    Someone at Tesla was telling me today there are some areas (I think Nevada was mentioned) where they can't get any Powerwalls approved by the utility, although you'd think that'd all be set in stone before they get installed. They will get approved eventually.
  34. Parzival

    Discrepancy between app and Powerwall API

    Thanks for the link. That looks nice, and may be a good solution for Kren. I'm after some home automation system integrations, and Windows isn't allowed in my house. :D
  35. Parzival

    Discrepancy between app and Powerwall API

    I've never heard of this, and looking at the site, there's nothing documented about integrating with Tesla or Solarcity.
  36. Parzival

    Discrepancy between app and Powerwall API

    After testing for a few days, I can confirm that 33.50% is consistently the point at which my Powerwalls stop discharging when the reserve is set to 30%.
  37. Parzival

    1.9.1 is out

    It was installed incorrectly.
  38. Parzival

    Discrepancy between app and Powerwall API

    Yes, I wrote a small thing to poll the data and publish it to an MQTT broker, and another small thing that subscribes to the MQTT topics and stuffs the data into InfluxDB. From that, I put together a big Grafana dashboard. It's very much still a work in progress. You can play with an interactive...
  39. Parzival

    Discrepancy between app and Powerwall API

    Shygar, are you on 1.10.2? My reserve is currently 30% on 1.10.2. I've started keeping a time-series database with Powerwall data collected at 1-second intervals. According to my software instrumentation, my Powerwalls stopped providing energy at 1:09 AM today at 33.50%. I'll keep an eye on...
  40. Parzival

    Discrepancy between app and Powerwall API

    Others reported that their reserve percentage changed when they were upgraded to 1.10.2; This also happened to me. I had the reserve at 25% and it was knocked down to 21% if my memory serves correctly. I adjusted it back to 25% and it's remained there. I decided to write some software this...
  41. Parzival

    Neurio for new breakers

    You will not need to do anything special with that Neurio when you add circuits.
  42. Parzival

    Powerwall Version 1.10.2 not charging/discharging properly

    My personal feeling is that any charging behavior is fine, if it helps prolong the life of the equipment. I haven't had the chance to observe any different behavior, since one of my inverters has been busted for over a month (Thanks, Tesla!) and it's been cloudy and overcast most days anyway.
  43. Parzival

    Push notifications now available

    You can charge Powerwalls from the grid if you don't have solar.
  44. Parzival

    Push notifications now available

    I might have to try flipping off my service disconnect when I get home!
  45. Parzival

    Firmware 1.9.2

    1.9.2 might be regionally specific, or it might just not be generally available.
  46. Parzival

    First PowerWall2 installed in Houston TX.

    No SGIP in Houston ;)
  47. Parzival

    First PowerWall2 installed in Houston TX.

    Charging is from solar only.
  48. Parzival

    Powerwall problems - No help from Tesla so far

    If there is a communication issue, the app will just show whatever it has from whenever it last communicated, and it will show those readings indefinitely and pretend they are current. Is your gateway connected to Ethernet, Wi-Fi, or LTE? If Wi-Fi is not strong where the gateway is located, and...
  49. Parzival

    Powerwall problems - No help from Tesla so far

    The installer can update your firmware to the latest. It is trivial.

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