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  1. Z

    Storm watch active...

    I got the same Storm Watch notification and also watched my Powerwalls charge at 6.6 kW. Kinda sucks to be sucking up that much juice during EV-A peak, but I already had set my Powerwalls to 80% reserve anyway (don't get much sunlight in the winter). Oddly enough, when it said the Powerwalls...
  2. Z

    Powerwall 2: Technical

    Grid power got tripped at my house over the weekend. I guess it must have been something weird on the line as the entire thing shut down for about 10 seconds and then I got flipped onto battery power. Usually, when I test by flipping the disconnect at the meter, the backup gateway switches over...
  3. Z

    Powerwall 2 charging to 80% max?

    To my house. I came back to follow up -- the breakers were indeed the problem. I found one battery breaker tripped. When resetting it, I accidentally kicked the other breaker off, and then when resetting that, I accidentally kicked the solar breaker off. The end result is a system that works...
  4. Z

    Powerwall 2 charging to 80% max?

    I noticed recently that it looks like my two Powerwall 2 setup is charging to 80% maximum, and discharging at a maximum rate of about 5 kW. I had seen something like this in the beginning, but with a 90% maximum charge instead, and then it started going to 100% and a full 10 kW afterward. Was...
  5. Z

    PW2 Installation Guide?

    One thing you could do if you have solar is to add a separate electrical panel and then move the solar breaker to it. This panel would need to be connected to your main breaker in the start, and then when the backup gateway arrives, you'd insert that in the middle. Otherwise, run conduit to...
  6. Z

    PowerWall and switchgear API's

    I started to do something similar, but didn't know about beautifiers, and mostly just searched through the JS. Great work so far! I did run into the auth stuff as well and wondered if supplying the installer credentials might help with that. But it sounds like doing the setup workflow...
  7. Z

    PW2 Installation Guide?

    At least in my case, SolarCity did the install, and they didn't leave any install guide behind. I don't think there was one in the box, even. There is a user guide but it's extremely light on details. I didn't have to do any prep work; SolarCity did everything. I'm not sure what prep work I...
  8. Z

    Powerwall 2: Technical

    Also, I haven't looked in awhile, so I need to go through the big posts that happened recently, but one thing I've thought a bit about is what happens in an extended outage when you exhaust your battery. You get a double-whammy at that point: Your solar panels need to see AC voltage before...
  9. Z

    Powerwall 2: Technical

    That's interesting re the gateway password being my serial number. I wonder if I can see some other stats if I provide it. There are numerous /api/ endpoints visible in the gateway webserver JS but many of them require auth. In particular, I can't scrape battery SOC right now and that would be...
  10. Z

    Powerwall 2: Technical

    I saw today that my batteries were charging above 90% despite being in self-powered mode. Looks like my system firmware has been updated from 1.2.6 to 1.3.3-rc10. Wonder what else changed...
  11. Z

    Powerwall 2: TOU/Rate Arbitrage

    The battery discharges only as much as household load or max battery rate (5 kW per battery), whichever is less. I don't see anything inside the app that lets you configure the battery to discharge to the grid. It must be possible, but I imagine Tesla isn't pushing the pure arbitrage angle as...
  12. Z

    Powerwall 2: TOU/Rate Arbitrage

    You can do it with the app right now, but it's clunky. The app lets you set two modes: backup only and self-powered. Backup only charges you at max rate from anywhere to 100% and then keeps it there unless the power goes out. Self-powered charges you at max rate from anywhere to your specified...
  13. Z

    Powerwall 2: SGIP/Incentives

    Revision to my total upfront cost and expected rebate: I forgot to include the $500 down payment I placed last year, so my total is $13832.25. The incentive amount submitted is $9682.58 which is exactly 70% of that total. Looking at the paperwork, I see they sized the system at 27 kWh, and...
  14. Z

    Powerwall 2: Installation

    My system charged to max 90% again. I'm now feeding 2 kW back into the grid. I'm getting about 90 cents an hour for it, so yay, but why doesn't this thing go to 100%? I feel like this is a limitation that needs to be made more clear. (I can live with it being something like "well, maintaining a...
  15. Z

    Powerwall 2: Installation

    No pics yet, but I'll get some later on. The nuts and bolts are that I have a main 200A breaker on the side of my house and a single subpanel in a closet inside the house (it's old enough to be grandfathered in, I guess), and they installed the backup gateway next to the breaker, a new subpanel...
  16. Z

    Powerwall 2: Installation

    Wasn't me, but my two-Powerwall setup is up and running. :D It actually took three business days. The crew showed up on Friday and started work, but had enough work to do that they needed a second day. So they came back yesterday and completed the physical install by mid-evening. Today, they...
  17. Z

    Powerwall 2: SGIP/Incentives

    The last I'd heard previously was that my two-Powerwall project was waiting for mounting hardware and they expected to install in mid-June. I wrote my contact at SolarCity yesterday asking for an update. Haven't heard from her, but today, I got a phone call saying that they were ready to...
  18. Z

    Powerwall 2: SGIP/Incentives

    I got a call from my SolarCity contact yesterday telling me that multi-Powerwall install hardware is held up and they don't expect to begin doing them until mid-June. Oh well. At least it doesn't affect the SGIP rebate.
  19. Z

    Powerwall 2: SGIP/Incentives

    When did you sign your Powerwall purchase agreement? I have not been able to schedule an install date with them yet. My timeline looks like this: Oct 30: Reserved 1 Powerwall Apr 3: Received Powerwall purchase agreement for 2 Powerwalls Apr 10: Notified of the SGIP rebate by e-mail Apr 11...
  20. Z

    Powerwall 2: SGIP/Incentives

    On a different note, having had my docs signed since Apr 11 (could've signed Apr 3, but wanted to read up on it a bit more first), I've been wondering when I'll get installed. I dropped my rep at Tesla a line and she responded just now saying that they "just started installations in CA this...
  21. Z

    Powerwall 2: Installation

    Please note that the stated 7 kW number is peak power only and then only for 10 seconds. It won't discharge at 7 kW continuously.
  22. Z

    Spoke with Tesla Energy RE AC Powerall 2

    Funny timing; I just got a call from "Angela at Tesla". I guess I'll call back and see what's up.
  23. Z

    Spoke with Tesla Energy RE AC Powerall 2

    Hm. I have a solar array with inverter already. Guess I should drop them a line... (Mind, I also want a battery for power backup and timeshifting, too, so I'm not dropping off the grid either. Especially not with a 90D to charge!)
  24. Z

    CA drivers using PG&E's EV rates?

    I'm on EV-A but I do a lot of charging at work where I get free charging, so my home charging winds up being weekend usage. Still, in the last billing month, it looks like it added in the neighbourhood of 150 kWh to my electric bill. ChargePoint tells me I've charged about 300 kWh at work, and I...
  25. Z

    Firmware 7.1

    I did 2.36.31 tonight (had been on 2.34.115 previously, don't know why). It said an hour and 40 minutes to install, but completed in more like twenty.
  26. Z

    Question on California EV Rebate

    There's nothing wrong with asking about something that had, at one point, been basically an entitlement. I'm definitely not passing up that $7500 federal tax credit even if I don't actually need it.
  27. Z

    These trucks just undo all Tesla cars did for the environment

    Those trucks would be going anyway regardless of whether Tesla or EVs in general existed. They've been going for a long time.
  28. Z

    Alliant Credit Union as a Financing Option

    Interesting. I was also approved for 106k but had to reduce loan to 100k to get the gap protection. My credit score is in the 780s and I have around $850k in outstanding loans (primary home and rental mortgages); wonder if that had anything to do with it. I wouldn't have minded not coughing up...
  29. Z

    How to respond to this? "Electric lawnmower"

    I'm more inclined to go with the joke, myself. If someone truly intends to hurt me with it, it's a clear sign to them that it didn't work. And in the end, it's just a car; it's not an extension of me or my personhood or whatever. My Tesla does not define me. That said, I was a bit bummed (but...
  30. Z

    Wiki Model S Delivery Update

    That's okay. We pay way more for our real estate. :D
  31. Z

    What Swag did Tesla give you at delivery?

    I got just an umbrella and a pen. No cap, no mug. Feel kinda cheated. (heh)
  32. Z

    Auto park FAIL

    I don't remember exact details, but it was on my first test drive from the Dublin-Amador shop, and it was at the end of the drive. The person I test drove with commented that he'd never seen it happen before. Could be that we were in fact trying to do something it can't do, but it got into the...
  33. Z

    Auto park FAIL

    Autopark was hilariously bad when I test drove. We had it go into a spot surrounded by empty spots and it got into it fine, but refused to believe that it was in straight enough, and so it kept trying to correct and eventually gave up. I don't need it at all.
  34. Z

    Ordering Advice

    Honestly, your mortgage is probably a much bigger commitment, and for much, much longer. If you are comfortable with maintaining your mortgage, and your budget is realistic (and it sounds like it, if you know how to separate your discretionary income from your financial commitments and basic...
  35. Z

    NEMA 14-50 Consultation

    Yeah, that's what I figured. I've run wire before, and I have the advantage of a gigantic crawlspace to pull cables through, so I figured I could just do it myself. It's not all done yet, but last night, I ran the 6/3 Romex over to under my subpanel, fully secured to the joists as per code, and...
  36. Z

    Wiki Model S Delivery Update

    Well, I went and picked up my 90D today. Dunno what to say. It's pretty fantastic and I'm still kind of in shock over it. I drove it straight to work afterward and didn't floor it anywhere along the way, but did push it a bit, which confirmed that yeah, the P90D is completely lost on me and I...
  37. Z

    Wiki Model S Delivery Update

    I was told that you could go as high as 105% loan-to-value. Tesla's lending calculator has a max link that will put the loan amount at 105% of sticker price plus destination charge. In California, taxes are higher than 5%, so even with that, there's still some cash down you have to do.
  38. Z

    Wiki Model S Delivery Update

    I don't think an updated MVPA is that big of a deal. I talked to my loan specialist this morning to finalize things and asked about gap insurance, and he said that it's only available for loans up to $100k. (I was applying for just under $106k.) I shot a note over to my DS, who put together the...
  39. Z

    NEMA 14-50 Consultation

    I got a couple of quotes for a ~50 foot run down from my subpanel and in the crawlspace to the nearest garage wall: $1400 not including permits, and $2000 including permits. I felt like I was getting robbed at those prices, so I decided to do it myself. Permit was $160 and it'll take about $130...
  40. Z

    Wiki Model S Delivery Update

    My refinance closing docs were signed this morning by 10am. Timeline since then: 10:40am: I applied at tesla.com/alliant (redirect to alliantcreditunion.com). 72/1.49%, ~106k (105% of my purchase price, which is max loan amount). 11:25am: E-mail from loan consultant saying I'm approved! And...
  41. Z

    Wiki Model S Delivery Update

    Tomorrow is less than 24h away :) Do you mean Thursday?
  42. Z

    Wiki Model S Delivery Update

    My closing and disbursement days are the same: tomorrow. Not sure how this works with the 3 day right of rescission. Anyway, I think I will give Alliant a call tomorrow after signing and my handing over the certified check for closing funds.
  43. Z

    Wiki Model S Delivery Update

    My timeline has been: Order 6/28 Confirm 7/6 Production start 7/25 Production end 7/28 Anticipated delivery (at Fremont factory) 8/4 If you mean 20 days since confirmation, give it a little bit more time. My DS initially told me me that he expected delivery by the second week of August.
  44. Z

    Wiki Model S Delivery Update

    My DS wrote this morning and scheduled me for delivery for this Thursday. I'd be ecstatic, except my refinance isn't done yet (closing docs signed tomorrow morning) and I still need to talk to Alliant. So I'm pretty anxious.
  45. Z

    Wiki Model S Delivery Update

    It's a refinance to get out of a 5/1 ARM and replace it with a fixed rate. I kind of get the feeling rates are going to go up soon, though Brexit might delay that. :D So I don't actually need it right away. Of course, since I've already spent money on appraisals, I may as well follow through on it.
  46. Z

    Wiki Model S Delivery Update

    I've seen multiple mentions of lenders doing a last-minute credit check near closing in order to see if anything weird is going on. New inquiries, particularly from other lenders, can raise questions about what's going on, since you are supposed to disclose everything material to the...
  47. Z

    Wiki Model S Delivery Update

    Will do. I just remember being told "don't apply for new credit, don't take on any huge amounts of new debt, don't etc" beforehand.
  48. Z

    Wiki Model S Delivery Update

    My DS wrote not long after I posted stating that the car had just finished production and asking when I'd want to schedule a delivery appointment for next week. Unfortunately, I haven't yet applied for a loan since I'm still waiting (grrrr!) for a mortgage refinance to finish. Otherwise, I...
  49. Z

    Wiki Model S Delivery Update

    Checked again just now. In twelve hours, it changed again: "has been built and is in transit from the factory", delivery window July 30-Aug 6. I'm picking up from the factory, so I don't know what exactly in transit means. :D
  50. Z

    What car/s did you come from?

    My car history: 2007 Prius (158k miles and ticking) 2001 Accord V6 (traded in at 95k miles) Prius is still going just fine except for the left headlight turning off after awhile. (Comes back on when I toggle the power.) I'm keeping it as I don't want to be loading IKEA furniture and sheets of...