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  • The final cut of TMC Podcast #34 is available now with topics timestamped. We covered Tesla's rollercoaster prices, Toyota pushing junk science, Mike's new Model 3, Optimizing track mode for snow driving, FSD V11 apparently coming by the end of this week, and more. You can watch and check out the chat replay on YouTube.

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  1. J

    Enphase Bi-Directional Charger

    The actual video shows a second gen Nissan Leaf, which does support V2H/V2G through CHAdeMO. There's a Sumitomo CHAdeMO connector behind the interviewee as well.
  2. J

    Interesting EVgo developments

    Fixed ;)
  3. J

    CHAdeMO suddenly not communicating with public EV chargers -- HUH?!!

    ChargePoint use to use Tritium as a supplier (CPE200), however, Tritium is now on their own, selling to whoever will purchase (selling to munis seems common, Pasadena is their own electrical utility). I suspect that they deployed a software update to these units that changed the CHAdeMO behavior...
  4. J

    CHAdeMO suddenly not communicating with public EV chargers -- HUH?!!

    I think I know why this is... Tritium Veefills tend to lock the connector right away once you connect, for some reason. If they apply 12v power to the ss1/pin 2 at that time (which I suspect they're doing), the adapter will time out really quickly if it doesn't see a Tesla on the other side (I...
  5. J

    Lawn mowers and gardening equipment pollution: Why are ICE engines still legal in California?

    The actual text says: 43018.11. (a) (1) By July 1, 2022, the state board shall, consistent with federal law, adopt cost-effective and technologically feasible regulations to prohibit engine exhaust and evaporative emissions from new small off-road engines, as defined by the state board. Those...
  6. J

    Tesla releases big, new software update with Disney+, Car Wash Mode, remain connected to wifi, and more - 2021.24.x

    In the same boat, although I think mine was pulled on the 17th. Still no update here.
  7. J

    Tesla releases big, new software update with Disney+, Car Wash Mode, remain connected to wifi, and more - 2021.24.x

    I got a notification to update to 2021.24.3 on Monday, but didn’t update yet. I noticed last night the update got pulled or otherwise doesn’t show up in the app. Model 3 LR RWD 2018.
  8. J

    Supercharger - Vernon, BC

    Normally when you get your own dedicated service you can define what voltage you want (208V or 480V, or I guess 600V here). I would think you could get 480V from the utility, but maybe the lead time for the utility transformer was shorter for 600V or they do some shenanigans with the...
  9. J

    Supercharger - Vernon, BC

    There's nearly an individual transformer for every piece of equipment there. That is bizarre. The Flo chargers are 480V, the Tesla equipment should be 480V as well. What am I missing? Is Tesla running on 600V?
  10. J

    California Utilities Plan All Out War On Solar, Please Read And Help

    I contacted my assembly person and while they didn't contact me back, they did actually vote no on this. So it's something.
  11. J

    Post Your Tesla Solar Layout

    Existing solar is 3.8 kW (12x 340 W) done by Tesla last year (almost a year ago). All west facing, the new 11 panel system fills out the east roof. Layout is here: Post Your Tesla Solar Layout
  12. J

    Post Your Tesla Solar Layout

    Well install day finally came, and well... they did do two runs, but for the worst reason. :confused: Couldn't fit 3 of the panels due to setbacks. Apparently they messed up the measurement for the roof, and thought they had more space. But the top row of 3 would be hanging 10" into the fire...
  13. J

    Tesla only taking orders of PWs with Solar

    Rental option also appears to be gone? Just cash and loan.
  14. J

    Tesla only taking orders of PWs with Solar

    Just under the wire here with a second 4kW system (without powerwall) going in on Tuesday. :oops:
  15. J

    California Utilities Plan All Out War On Solar, Please Read And Help

    I'm not sure of your point here. This has nothing to do with the RPS I was talking about. The amounts are also a pittance compared to the amount of storage now going in (and already installed).
  16. J

    California Utilities Plan All Out War On Solar, Please Read And Help

    It would not impact it because behind the meter solar does not count for RPS. It does show up as a reduction in load, however.
  17. J

    California Utilities Plan All Out War On Solar, Please Read And Help

    I don’t think that is true, at least in California it is a “renewable portfolio standard” which includes solar, wind, geothermal, biogas, biomass, and small hydroelectric. At some point in the last decade, utility solar likely became the cheapest option, sans storage or means to deal with the...
  18. J

    Prediction: Coal has fallen. Nuclear is next then Oil.

    Pretty sure wind is still cheaper than geo, from a first principle approach- nowhere near the scale of wind (even in areas with both resources such as CA) and it usually runs full out even though in theory it should be able to ramp (maximize large capital investment by earning maximum return)...
  19. J

    Post Your Tesla Solar Layout

    Give it a week, then call. They technically can take three weeeks to redo a design. But I find bugging once a week via phone call helps.
  20. J

    Post Your Tesla Solar Layout

    Not scheduled just yet. Went through a few rounds of layouts which took a few weeks. Now waiting on the HOA rubber stamp (already approved in the last meeting) then permits can get issued... Since this is the "post your layout" thread... Stupid vents! :mad: The ones blocking the two panels...
  21. J

    Post Your Tesla Solar Layout

    Basically saving wire. I have a project in progress with a similar setup - 7 panels per string x 2 strings, put in parallel on the roof, then two wires running down and two MPPT channels put in parallel. I have asked that four wires be run down to the inverter so each string is on it's own MPPT...
  22. J

    Discussion: "Powerwall +"

    Really chomping at the bit to know the price for one PW+ and ~4kW of solar. I already brought it up for our solar expansion project and got rejected by my better half. But if it had a better price than the current equivalents I might get somewhere... With demand for PW2 the way it is, I can’t...
  23. J

    New PowerWall install woes

    Would be nice if Tesla could program the demand response events to ~10kW from three batteries in your case.
  24. J

    Solar Thermal or Vacuum Tubes

    So in summary: you have a flat roof with room to put another (thermal) system, and don't want to remove a working 3.8kW PV system. Maybe I'm missing something here- why not just add a second independent PV system? Even if Tesla said no, that doesn't mean all installers will say no. I've also...
  25. J

    Elon tweets: Solar Roof and solar panels will only be sold integrated with Powerwall

    After reading these tweets I feel dread. Hopefully my second small solar order currently in permitting to do our east roof doesn’t magically double in cost like those solar roofs. I’d love a power wall but we really don’t need one (power too reliable I guess).
  26. J

    Post Your Tesla Solar Layout

    I removed two vent pipes (combining 2 vent stacks with existing vent on other side of roof). It required coordination with a plumber and roofer (NOT trivial), and finding a roofer to do that small patch job was very difficult. Cost me about $1100 total. Worth it if looks or power production is...
  27. J

    Customize number of panels?

    I can confirm that as of ~1 week ago they at least will try to add panels to your design if you ask your advisor directly and there is room on your roof for them. Unfortunately for me I could not add panels due to fire setbacks.
  28. J

    Significantly delayed solar project. What should I do?

    Wow that is a crazy amount of work for just 25 amps! Were you maxed out on your load calcs or something?
  29. J

    The sound that Tesla solar inverter makes

    My current system has a 3.8 kW solar edge, no fan just a big aluminum heatsink. I think everything under 11kW for solar edge is only passively cooled.
  30. J

    The sound that Tesla solar inverter makes

    I have one of these likely in my future, with a 4kW expansion. Does this version have two MPPT channels? Are you using one or both channels? Can you show what the config web page looks like?
  31. J

    PG&E Green Button data no longer available...

    You're welcome! :D
  32. J

    PG&E Green Button data no longer available...

    I believe CPUC mandated green button data availability. You might file a complaint with them if PG&E is not cooperative. https://www.cpuc.ca.gov/uploadedFiles/CPUC_Public_Website/Content/About_Us/Organization/Commissioners/Catherine_Sandoval/Green_Button.pdf
  33. J

    Tesla App

    Same here. This morning, I saw an error message in the app that the solar was no longer associated with my account and an ok button. After that, I don’t have a solar section in the app anymore, just cars. I can still see production in the solar edge app, but obviously no house consumption. I...
  34. J

    CCS - Carbon Capture and Storage

    The way I see it, 400 ppm of CO2 in the atmosphere isn't sustainable, we already are melting most of the arctic ice as is. We need to get back to preindustrial levels (~270 ppm) of CO2 in the atmosphere as fast as possible. It will take a trillion new trees (at about a ton of carbon each), or...
  35. J

    Updating wall connector firmware without data connection?

    There doesn't seem to be any increase in functionality in these new firmware releases. The only thing coming as far as I know is power sharing between v3 wall connectors. There was a bug and sometimes a hardware problem with some older v3's that caused the unit to stop supplying power. But if...
  36. J

    Best way to use mini split heating heat pump?

    I have Sensibo on my four head Mitsubishi mini split. It works as well as standing there with a remote, however there’s a few things I wish it did better. 1) Know the limitations of the system - the system can’t have some heads in cool and some in warm but Sensibo can command/ask for this...
  37. J

    Today is the shortest day of the year... how was your production?

    Thursday I produced 1.8 kWh from a 4kW system, so your production is likely in line. I’m in LA near the coast.
  38. J

    Today is the shortest day of the year... how was your production?

    7.9 kWh from an all west facing 4 kW array in LA :(
  39. J

    Help me understand my options for backing up circuits using a single Powerwall.

    15A for an A/C seems pretty low, unless it's a wall mounted unit for a single room. Seems somewhat reasonable to be able to back that up, at least in theory. I was also considering a single powerwall setup, and trying to shoehorn a 25A 4 head mini split on the backed up side. In theory it could...
  40. J

    Model Y has auto dimming mirrors

    Picking up a Y soon, and we already have a 3 (2018) which has auto dimming mirrors that my wife doesn’t like because they are too dark at night. Does anyone have both or otherwise compared? She may be one of the only people that doesn’t like them, but I remember when we picked up the 3 there...
  41. J

    Ear pain/Pressure help

    From the video I clearly hear a high pitched sound. I would start on the high end of the sound spectrum, which fortunately cell phone microphones are going to pick up better than subsonic frequencies, so you may be able to use a spectrogram app to find the component emitting it. I think one of...
  42. J

    CACleanFuelReward 10/17

    Looks like this point of sale rebate takes over the previous SCE (and PG&E / SDG&E?) rebates. Thought for a minute we were getting an extra $1500 out of the blue. Shucks. :( Clean Fuel Rebate for Electric Vehicle FAQs | SCE Clean Fuel Reward Program Note: If you received the California Clean...
  43. J

    Delivered with a random software version

    Saw this with Model 3 deliveries, the version that the car leaves the factory with seems to be a special version with a three digit number at the end instead of one or two digits. Probably some extra factory testing bits of code in it that aren't needed elsewhere.
  44. J

    Clearing snow from panels

    I would probably do a timer. And yes, inverter pulls from grid. I don't think you would need much power, really. Just enough to get the panels above freezing.
  45. J

    Clearing snow from panels

    Curious that no inverter manufacturer has thought to have a "panel warming mode" which could run a small amount of current forwards through the panels to warm them up a bit... Solar cells are just diodes after all, they'll actually emit IR if you pass a current through them.
  46. J

    What's the max generation you've seen for a 16.2kWh system at any given time?

    Peaked out at 2 kW on a 4 kW system today. Looking at about 13 kWh for the day. Best days a week ago were 3.1 kW peak and about 22 kWh. Near coast, AQI is 140 right now. Amazed I'm producing at all right now (~400 W) with the sun being so dim and red...
  47. J

    Not seeing Grid and Home in app?

    Tesla CS says they didn't activate it on their side, and he did that but he said a multiplier setting is messed up that they'll correct remotely over 24-48 hours. I now have kW output and more options in the app (so I have the same screens Dave does) but I still don't have house consumption yet.
  48. J

    Not seeing Grid and Home in app?

    I got PTO on Wednesday and I'm seeing the same as OP, but I know for sure they installed a power blaster/Neurio. My gateway is located nearly adjacent to the panel and inverter. I'll call Tesla today and see what they say.
  49. J

    Roof Vents Stopping Install

    I moved two plumbing vents as part of my prep for installation. I had to source my own plumber and roofer, and send photos to Tesla to show it was done before they would proceed to changing the layout to go over the former vent spots. I spent ~$700 to do this between the two contractors. Tesla...
  50. J

    Tesla Solar Order Cancelled / Fire Setbacks

    What size breaker is in the main panel that feeds the sub? Sounds like you have a somewhat unique case where whole house backup is basically your only option for powerwall (can't economically run some circuits back to the garage to the main panel).

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