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  1. A

    Is Powerwall necessary in Bay Area?

    true, though in theory the federal ITC is incompatible with grid charging. and in the end you can’t export more power than pge estimates you can generate with your PV plant. not sure what the rules are when you only have storage. for me the difference between having the powerwall satisfy the...
  2. A

    Is Powerwall necessary in Bay Area?

    the payback horizon calcs for my PV system (installed in 2015) are definitely out of date. it's true that the huge hit that EV2A represents to the PV payback has to be calculated against the rise in E1/EV/EV2A and i only did that calc in 2015. the horizon was something like 11 years at the time...
  3. A

    Tesla Virtual Power Plant in CA

    haha it showed up again an hour later and i enrolled. now i've got something else to stress about (dump the PW during peak or hold out for a VPP event?!)
  4. A

    Is Powerwall necessary in Bay Area?

    yeah; since being put on EV2-A (NEM1) my true-ups went from +/- $200 per year to about +$600 per year. without the powerwall, i calculate that it would be something like $1600 per year. so the PW gets me (for now) $1k per year and so that's something like a 22 year payback. and of course the...
  5. A

    Tesla Virtual Power Plant in CA

    weird, my iOS app had that VPP line item the other day... and i just went in now and checked and it is gone. what's that about? thought i was enrolled but apparently not?
  6. A

    First heat, now fire in Pleasanton [06.23.2022]

    there is also an app called "Watch Duty" for iOS that has all kinds of wildfire information. i can see that this fire is in there "Canyon Fire". no fire boundaries yet but there is an evacuation map. i'm not sure if this program exists for android.
  7. A

    PW owners, summer is coming/here. What is your reserve percentage?

    since summer started, i had been setting my reserve (time-based) to just get thru being self-powered 3PM-12AM or something like 45% based on my usage. before "export everything" existed, this is all i could do to maximize $$. in the winter i needed to set the reserve higher (about 60%) since...
  8. A

    M3 lease ending mid-late december / want to lease model Y

    quite a long ways out, like 6.5 months - my lease matures mid december 2022. i think is is likely due to the production delays and the fact that people who are not on top of things will be very disappointed if they try to order a car at lease end. this guy was telling me that the order should...
  9. A

    M3 lease ending mid-late december / want to lease model Y

    it looks like tesla now has employees tracking lease end/prospective new lease. i got a voicemail and email from someone at tesla saying they could coordinate a new lease with this lease's end. however at this point i'm really not sure i want another tesla.
  10. A

    PG&E changes 110% of usage rule to 100%

    ah - you might be on to something there. my electric meter is behind a locked gate and so PGE was never able to install a smart meter on my property. they tried for years but i was never home and wasn't going to leave the gate open. it could be seen by peeking over a fence and i was happy to...
  11. A

    PG&E changes 110% of usage rule to 100%

    this is absurd. i was regularly using almost that much when i had a leaf EV before i had solar. no one ever contacted me about anything. they just took my $500 per month happily. maybe they decide what is "too much" based on home square footage but charging an EV has nothing to do with the size...
  12. A

    M3 lease ending mid-late december / want to lease model Y

    oh right, yeah, i checked into that a few months ago and was surprised that the lease termination will cost me $0 right now. i should check again but i have been assuming the cost will be 0 given the continued pressure on the car market. i guess overall i am needlessly obsessed with ending the...
  13. A

    M3 lease ending mid-late december / want to lease model Y

    Hi everyone, sorry if this is a FAQ but i didn't see anything or my search-fu is weak. i have a 2019 M3P for which the lease will end in late december 2022. we wanted to get a MYP to replace this car. i called tesla to ask if there is any way to link a new lease with an old lease and the answer...
  14. A

    Solar panels and clay tile roofs

    all these threads really make me wonder. clearly there is a big difference between concrete tiles and clay tiles with respect to solar installation, with concrete apparently being much easier to do. but based on some of the pictures here there also seem to be different kinds of clay tiles. i see...
  15. A

    Loving the great sunny weather this month in the west

    I do directly use it. however, PVOutput doesn't really understand storage (the powerwall stuff is reported to the "extended data" page which is only advisory), and so all the dollar amounts it computes are as though all consumption was supplied from the grid rather than sometimes from the grid...
  16. A

    Loving the great sunny weather this month in the west

    yeah i often thought about cutting down the tree but i didn't want to do it just for the solar. it does capture some amount of carbon after all. 'topping' the tree would have worked but then it would look completely goofy. mother nature took care of it for me but it cost $$$ to remove the tree...
  17. A

    Loving the great sunny weather this month in the west

    sort of, it is pvoutput.org, but i have scripts running against my inverter, powerwalls and EAGLE to upload the data there.
  18. A

    Loving the great sunny weather this month in the west

    i'm doin' real good thanks to this: that's what's left of a 50ft cedar tree that used to shade the panels from oct-march every year. tree company can't come till early march to grind it up. 20kwh vs 16kwh the year before on the day after the tree fell.
  19. A

    Looking for definitive answer: Does the 20 year NEM lock get reset when a new NEM2 system is added to a NEM1 system?

    i got some kind of survey in my email regarding my experience with powerwalls. it was apparently commissioned by PGE but at the end of the survey it said "the CPUC thanks you" so god knows who it was really for. anyway in the "any other comments" field i really let PGE have it.
  20. A

    How to route ethernet along the outside wall to gateway

    above my meter there's a user-accessible panel that has one giant throw switch, which i assume is the main disconnect. the meter box itself is locked of course since that's PGE's stuff. due to covid i didn't watch what the electricians were doing so i don't know if they somehow bypassed the main...
  21. A

    How to route ethernet along the outside wall to gateway

    shouldn't the gateway be after the main disconnect breaker? grid from under ground ---- meter ---- main disconnect ---- (new breaker installed in old main panel) ---- gateway --- backup panel --- house ?
  22. A

    How to route ethernet along the outside wall to gateway

    i guess i will power it all down. i'm not afraid of electricity - i am an EE after all, but i'm not a power systems guy and have a healthy respect for high voltages. i've worked on networking hardware with 48VDC backplanes... that is probably more dangerous than this.
  23. A

    Possible Storm Watch activation- High wind watch for SF Area - Jan 31 - Feb 1, 2022

    never got SW activation in the oakland hills. and as it turned out the wind was not so bad. somebody used to have a very small wind turbine near my kids' elementary school and man, it was loud. very buzzy. i think it would drive me insane. would be OK if you were out in the country, but it...
  24. A

    How to route ethernet along the outside wall to gateway

    ok - i haven't seen too many pictures of the gateway opened but the tesla documentation made it seem like there were live connections exposed with the panel taken off. my wifi base station is pretty near the powerwall but sometimes i see pings in excess of 1 second. this seems to correlate with...
  25. A

    How to route ethernet along the outside wall to gateway

    dumb question on this topic - i assume the only way to safely work on the gateway is to flip the service breaker, open the solar cutoff, and also flip the two breakers for the powerwalls themselves, thus powering down the whole house. i want to try installing wired ethernet to my gateway as the...
  26. A

    Looking for definitive answer: Does the 20 year NEM lock get reset when a new NEM2 system is added to a NEM1 system?

    there was some talk a couple of years ago that getting PTO for powerwalls under NEM2 (if you were a NEM1 customer) would reset the grandfathering. i did call in to PGE's solar center at that time and after some conflicting answers from lower-level CSRs, i was told by a "supervisor" that this...
  27. A

    Master Thread: Energy products and Tax discussions

    i don't know that anyone here can give you correct tax advice for your situation, but when i installed my PV system i had to re-roof and i did include that cost when claiming the federal credit at that time. i am in the same boat as you with the powerwall. tesla subcontracted the panel upgrade...
  28. A

    StormWatch enabled in Norcal East Bay / Tri-Valley (20 Jan 2022)

    you are lucky - amazingly, almost exactly 10 years ago a similar crazy windstorm knocked over our oak tree, which must have been 100+ years old. i counted 80 rings in the cedar tree, but could be +/- 10 as some of the rings are quite closely spaced and hard to discern. sad to see such long-lived...
  29. A

    StormWatch enabled in Norcal East Bay / Tri-Valley (20 Jan 2022)

    PVoutput https://pvoutput.org it is pretty nice and it can pull generation data (or you can push data to it) from a variety of inverters. storage isn't super well integrated in the sense that it only knows about the solar and the grid and your home as sources/sinks of electricity. thus to get...
  30. A

    StormWatch enabled in Norcal East Bay / Tri-Valley (20 Jan 2022)

    here is the silver lining for me... +5KW or +29% vs last year on similar date with full sun.
  31. A

    StormWatch enabled in Norcal East Bay / Tri-Valley (20 Jan 2022)

    strange man - in the evening they canceled the wind warning for the lower areas of the east bay hills, and storm watch shut off. then at 12:30AM i was woken up by my kids who let me know that our huge cedar tree in the backyard had fallen onto the neighbor's house. the wind was absolutely nuts -...
  32. A

    What is a "normal" drop off for solar production in the Winter?

    lol this windstorm just took out my tree. luckily it seems like it did not do too much damage. 50-foot cedar tree.
  33. A

    StormWatch enabled in Norcal East Bay / Tri-Valley (20 Jan 2022)

    got storm watch in the oakland hills as well. luckily it occurred during EV2 off-peak. i'd forget to enable it if i did what bmah does so i just leave it on and take my chances.
  34. A

    lease return experiences? (curb rash)

    maybe caravana's practices are due to the extreme shortage of new/used cars? probably anything would sell right now. which is what sucks about my M3 lease - because of the pandemic we're just at about 40% of the total allowed mileage and the residual value is going to be huge. i think this is...
  35. A

    What is a "normal" drop off for solar production in the Winter?

    66 panels! you're going to be a big fan of the proposed NEM3 rules then. you'll be paying ~$120 a month just for the privilege of having those panels if you're past the grandfathering period. i think all solar owners go thru this when they are new - eventually you learn what is normal and roll...
  36. A

    lease return experiences? (curb rash)

    that's what's weird for me - i seem to have a PhD in parallel parking at least relative to the other people in my family. i told my kids when they were learning to drive that the car should become an extension of your brain/body, that you should be able to 'feel' where the car is and whether or...
  37. A

    lease return experiences? (curb rash)

    there's just something about the M3 that exacerbates this problem. i previously had a bolt and the only time i curb rashed it was when i was parking in a cutout, and i had no idea i was close to where the curb started angling out. i don't think i had any curb rash on my leaf, nor on my benz. the...
  38. A

    What is a "normal" drop off for solar production in the Winter?

    have you inspected the generation curve? i have this stupid cedar tree which shades my panels about 5 months per year. there's a tree-shaped dent in the curve which grows from equinox solstice and then shrinks back from solstice to equinox. you could have something like that going on... or maybe...
  39. A

    County Assessor request related to new solar and ESS; do I qualify for the exclusion?

    i also got one of these requests from the city of oakland and i sent the form back ticking 'solar' or 'energy' or whatever they had on there, and never heard anything back. i also don't think my assessment went up more than allowed by prop 13.
  40. A

    where can i find the detail of NEM2PS rate (PG&E NorCal )?

    IIRC i called in at the 3 month mark, and a customer support agent told me it could take up to 4 months, officially. but obviously it took a little longer for me. maybe it has something to do with the EBCE switch, since i had opted out when they were auto-enrolling solar customers a couple of...
  41. A

    where can i find the detail of NEM2PS rate (PG&E NorCal )?

    my powerwalls received PTO in late june 2021 and it was not until dec 2021 that my B&W bills became available on the pge website. and then in late december i received 6 b&w bills in the mail all on one day… so if you just got PTO it will be a while before anything shows up in your account @qlin
  42. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    i’m still on NEM1 so thankfully no NBCs. unless there’s another rude surprise waiting for me. i hope not - the PTO paperwork for the powerwalls was specifically for NEM1. on the other hand we all know the CPUC is preparing to throw us under the bus with NEM3.
  43. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    as it turns out my kid’s apartment is on ebce and the pge distribution charges are itemized on that bill: distribution, pcia, taxes, generation credit. so that’s what’s going on, the paired storage begets the b&w bill and the b&w bill begets the lack of itemization on the blue bill.
  44. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    ok i think then the PCIA must be hidden in the PGE portions of this bill. in the end i guess i need to wait for revised black and white bills to even make sense of this stuff.
  45. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    one thing that i just thought of - where do the distribution credits for putting energy into the grid come from now? on the face of it i’m only being credited the generation portion of the bill now. perhaps the generation credit is just hidden in the non-itemized pge portion of these bills? that...
  46. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    yes, i did say that the powerwall pto triggered this transition in the thread title, and the b&w bills are apparently only a thing for paired storage customers anymore.
  47. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    this bill has 5 months of charges on it. these are screenshots of the pair of PGE and EBCE charges for the last month in the bill. you can see that the PCIA credit exceeds the delivery charges from PGE. i assume PGE will just get me on this later in some kind of true-up, but who knows. after all...
  48. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    i wish the blue bill were more explanatory - there is no itemization of the PGE charges, just the EBCE charges. i can post clippings if that is helpful. i think the B&W bills that are in my account are obsolete because they need to be revised for the transition to CCE. so i doubt they will have...
  49. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    hmm, all it says on the bill is 2020 vintage power charge indifference adjustment in the delivery charges sections, and in each EBCE there is a variable PCIA credit which is negative (so an actual credit, not a charge.) the delivery charges section does not have anything itemized. in most cases...
  50. A

    PSA: norcal - powerwall PTO triggered switch to EBCE (CCA)

    i had previously opted out of the transition to EBCE back when it happened. not because i am against CCAs but at the time i was trying to get powerwalls installed and i didn't want the added complexity of the billing or the transition to effect PGE's PTO process for the powerwalls. everyone here...

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