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  1. Mark Purcell

    Netzero App

    I run an open source energy management package called EMHASS which uses a mathematic linear programming model to create an optional schedule for battery operations based on forecasts for future solar production, household loads as well as buy and sell prices...
  2. Mark Purcell

    Netzero App

    Thanks for your assistance. The TEG wifi and TeslaOne also weren't working very well, so I have reset gateway and things are working 'normally' now.
  3. Mark Purcell

    Netzero App

    I do hit the gateway pretty hard with the FleetAPI, but have very much wound that back. I do have Home Assistant hitting the gatewayAPI every 30 seconds for status updates. The gateway seems to go into a non-responsive state (FleetAPI is still updating), I can ping the local gateway, port 80 is...
  4. Mark Purcell

    Netzero App

    I'm registered for FleetAPI through netzero, do you make ongoing API calls on my system when I'm not using netzero either mobile or web app? Not sure what update_unknown means: https://github.com/vloschiavo/powerwall2?tab=readme-ov-file#get-apisystemupdatestatus ```json { "state"...
  5. Mark Purcell

    Discussion: Powershare [V2X feature currently announced for Cybertruck]

    Any speculation that the updated M3P will support Powershare?
  6. Mark Purcell

    Netzero App

    I suspect my Powerwall Gateway is rebooting, perhaps high CPU from API calls, but very difficult to debug, especially as the LAN interface goes off line regularly. NetZero gives me some great diagnostics, including uptime which looks suspect. Now that the vitals endpoint has gone, how is...
  7. Mark Purcell

    Delaying/Limiting Powerwall Charging Until Midday Peak Solar Production

    Tesla Charge on Solar does this natively. It will prioritise charging EVs and will hold the Powerwall battery at the current State of Charge, until EVs pass the Charge of Solar threshold. I also do the same thing with Home Assistant, so you have lots of options.
  8. Mark Purcell

    Tesla Powerwall II and Octopus Agile

    We have a couple of sources of tariff. The Amber API does require a key, which I can generate for you. ChargeHQ integrates Amber pricing this way There are alternatives which publish the spot price are publicly available with OpenNEM and AEMO.
  9. Mark Purcell

    Tesla Powerwall II and Octopus Agile

    I have half hourly pricing with Amber Electric in Australia, who have a really well supported API to retrieve pricing. They have their own optimized scheduling, but I have rolled my own using Home Assistant. I have played around with dynamically setting the tariffs in the Powerwall based on the...
  10. Mark Purcell

    Charge On Solar Australia

    Does anyone know the structure to call the CHARGE_ON_SOLAR API endpoint? https://github.com/timdorr/tesla-api/blob/670596c7348617f9e3b3a97ee335e84227a9b49a/ownerapi_endpoints.json#L242
  11. Mark Purcell

    What is PW's KW draw when charging from the grid? I have 2 PW's and they are charging at 2.4kw.

    You need to use the Time Based Control hack to get Powerwall to export to the grid. Setup a utility plan in the Tesla app with a high sell price, wait about 15 minutes for the settings to be accepted and then when you switch to Time Based Control it should start exporting in about 3-5 minutes...
  12. Mark Purcell

    Using Fleet API to Control My Powerwall Reserve Percentage

    Thanks for the update. Interesting my nameplate_power has gone up from 15 kW (3x 5kW) to 16500! Looks like my curl isn't modern enough ;-( The legacy method works:
  13. Mark Purcell

    Using Fleet API to Control My Powerwall Reserve Percentage

    The Home Assistant integration was breaking all over the place, and many users thought it was the end with FleetAPI, but no, it was a simple X-Tesla-User-Agent string that needed to be updated and we are back online with the OwnerAPI, but it will be good to switch to the supported FleetAPI as...
  14. Mark Purcell

    Using Fleet API to Control My Powerwall Reserve Percentage

    Nice, I have managed to download the API_TOKEN_FILE from your developer link and access my energy end points using your script and the FleetAPI. I had to modify your script as my vehicles also came out of your scope and productlist, so my powerwall gateway was item [2].
  15. Mark Purcell

    Using Fleet API to Control My Powerwall Reserve Percentage

    @offandonagain Looks like the OwnerAPI has stopped control of energy products as of today ;-( Any opportunity for Netzero to allow control?
  16. Mark Purcell

    What is PW's KW draw when charging from the grid? I have 2 PW's and they are charging at 2.4kw.

    I find three charging rates (in AU): raising backup reserve above state of charge 1.7 kW per battery switching to Backup mode, via OwnerAPI 3.3 kW per battery switching to TBC mode, whilst on OffPeak I see 5 kW per battery Discharging I can only seem to manage full 5 kW per battery using the...
  17. Mark Purcell

    Using Fleet API to Control My Powerwall Reserve Percentage

    Looks like ChargeHQ is already using the energy component of the FleetAPI. I would certainly like better manual controls for charging and discharging my Powerwall. The OwnerAPI is reasonable for charging on command, but you need to use the TBC workaround for discharging which isn't reliable...
  18. Mark Purcell

    Limit charging of PW2 to set hours

    This graphic was from Home Assistant, which lets me show which mode and zoomed in power flows. Here is the same day in the Tesla app, see the deferred charging from 6am - 8am.
  19. Mark Purcell

    Create a time based charging window for the Power Wall 2 battery

    I replied to your post in Energy: https://teslamotorsclub.com/tmc/posts/7911992/ See image on delayed charging until 8:10am.
  20. Mark Purcell

    Limit charging of PW2 to set hours

    Aussie powerwall user here. I achieve morning exports and delayed charging using TBC and defining a morning and evening peak. The battery will export during the morning peak, or if you switch Exports Solar Only then it will export solar that isn't consumed by your household load. You can see...
  21. Mark Purcell

    Boombox in Aus?

    I logged a service request for my 2020 model 3 and got it installed today by Tesla for $263.
  22. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    The Tesla Master Plan 3 talks about the benefits of heat pumps and other home electrification technology as being key in the transition to sustainable energy. Through the coordination (orchestration) of various household loads these benefits are further accelerated. Through my home automation I...
  23. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    There are some work arounds which can get close: Manually updating, the Time-Based Control Utility Rate Plan is always possible in the app, the biggest downside for me is my electricity prices change every five minutes, so that would require constant updates and relies on the TBC hack to get...
  24. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    What should Tesla improve? My objective with this proposal is to suggest improvements to Tesla's API documentation for Energy Products, including Powerwall. The API is officially unsupported by Tesla, and the current documentation is lacking in detail, making it challenging for developers to...
  25. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    What should Tesla improve? The primary objective of this proposal is to create a seamless integration between Tesla Powerwall and energy-efficient home electrification technology, aiming to provide homeowners with a comprehensive energy management solution that maximizes cost savings, reduces...
  26. Mark Purcell

    New Powerwall Advanced Options [Toggles for charging from and discharging to grid from powerwalls]

    Yes, here is my inverse duck curve which is totally driven by my retailers wholesale price signal. Amber Electric in Australia.
  27. Mark Purcell

    New Powerwall Advanced Options [Toggles for charging from and discharging to grid from powerwalls]

    I don't really understand why utilities are adverse, but agree they are. If they set the price signal correctly there are real benefits for the networks to encourage arbitrage. A few key advantages that I think are particularly noteworthy: 1. Grid stability improvement: Battery arbitrage helps...
  28. Mark Purcell

    New Powerwall Advanced Options [Toggles for charging from and discharging to grid from powerwalls]

    You can, I currently use the API to set those values, but do not have them showing in the Tesla app.
  29. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    Agree, sounds like Griddy is a poor example. Look like Autobidder is the relevant Tesla technology for a wholesale tariff mode. https://www.tesla.com/en_AU/support/energy/tesla-software/autobidder?redirect=no "Autobidder operates at every scale: from aggregations of behind-the-meter...
  30. Mark Purcell

    Tesla Powerwall II and Octopus Agile

    I have a similar issue with my wholesale retailer, Amber Electric, in that there is no relevant Powerwall mode. Amber do have a SmartShift product that controls the powerwall, like a VPP. However, a native powerwall wholesale rate mode would be great...
  31. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    In the United States, some electricity retailers such as Griddy and Arcadia offer wholesale electricity plans. These plans typically involve a subscription fee or a small fixed charge, plus a variable charge that reflects the real-time wholesale electricity price in the local electricity market.
  32. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    Worldwide some energy retailers provide households access to wholesale prices, which constantly change with the market; Amber Electric in Australia, Nordpool in EU and Octopus in UK, so this feature request could be useful and I would be surprised if some US retailers aren't considering this as...
  33. Mark Purcell

    [Feature Request] Tesla feature request and bug tracking platform

    To facilitate an organized and effective approach for Tesla feature requests and bug tracking, a centralized platform that encourages user participation and streamlines communication between users and the Tesla development team can be proposed. This platform would allow Tesla customers and...
  34. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    Thanks @jjrandorin, yes I'm also trying to start a discussion here as a few folk maybe interested in the topic.
  35. Mark Purcell

    [Feature Requests] Things I think tesla should improve

    What should Tesla improve? Wholesale Tariff Mode for Tesla Powerwall Objective: The primary objective of the Wholesale Tariff Mode for Tesla Powerwall is to enable users to optimize their energy consumption and storage based on real-time wholesale electricity prices. This new mode aims to...
  36. Mark Purcell

    Increase grid charging rate?

    My experience is you can get different charging rates depending on the powerwall mode, it does also depend on your solar size and history. I see 1.7 kW charging rate if I move the backup reserve higher. I see 3.4 kW charging rate if I put into 'backup' mode via the CloudAPI call. I see 5 kw...
  37. Mark Purcell

    Tesla App Utility plan configuration: Multiple Peaks, Buy/Sell Behavior, etc

    Yes, I have a few HomeKit devices in Home Assistant, the integration is quite tight. https://www.home-assistant.io/integrations/homekit_controller/
  38. Mark Purcell

    Tesla App Utility plan configuration: Multiple Peaks, Buy/Sell Behavior, etc

    Come on over to Home Assistant. That is exactly what we are doing today. https://emhass.readthedocs.io/en/latest/intro.html#what-is-this
  39. Mark Purcell

    Anyone regret switching to electric heating?

    My all electric conversion, tale of two winters Canberra 1960s 4br brick house. 2020 operating costs: $6,100 (Dec - August) Gas: $3,200 ducted gas heating, instant gas hot water Electric: $2,900 Resistive hot water & panel heating, lighting, cooking, EV. 2021 operating costs: $800 (Dec -...
  40. Mark Purcell

    Powerwall: Three-phase house

    I have a 3 phase solar inverter and a PW2. The PW2 charges and discharges over one phase, but it can monitor all three. I have a single phase critical circuits sub-board that it backups during an outage. When my three phase solar is exporting the powerwall charges at the full rate upto 5 kW...
  41. Mark Purcell

    Looking for recommendations for specific TOU Setup

    I'm also in Australia and just got the advanced settings today with the upgrade to Android app Version 4.8.1-1032. I can confirm in off-peak with charging from grid disabled it matches the house load from the grid and doesn't touch the battery.
  42. Mark Purcell

    New Powerwall Advanced Options [Toggles for charging from and discharging to grid from powerwalls]

    Just following up, I now have these advanced settings after upgrading to: Android App Version 4.8.1-1032 PW2 firmware: 22.9.2 a54352e6
  43. Mark Purcell

    New Powerwall Advanced Options [Toggles for charging from and discharging to grid from powerwalls]

    Australian Powerwall2 user here. I can confirm TOU settings do allow you to charge from grid (at 5 kW) during off-peak (low buy costs: I've seen 5 ¢/ kWh but has gone lower even negative) and also allow you to discharge to grid (at 5 kW) during peak (high sell price I've see up to $13/ kWh)...
  44. Mark Purcell

    New Powerwall Advanced Options [Toggles for charging from and discharging to grid from powerwalls]

    Had anyone outside the US received access to these advanced options? I'm in Australia and manage to workaround grid charge/ discharge with some TOU settings, but it would be nice to have direct control. My Powerwall2 is on version 22.9.1 bce98cad, and I'm on Android app Version 4.8.0-1025...
  45. Mark Purcell

    Tesla Powerwall coordination

    Great, you got yours functional. Had my PW commissioned last week and was also trying to get this functionality, my installer shifted three phase HPWC to single phase on backup circuit (dropped charging from 12 kW to 7 kW), which I was ok with, but obviously the phase is faster, so I'm...