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I imagine that even if you don't get credit for sending power back to the grid, it may be better to send it anyways instead of sending freq changes and shutting down the inverters several times during the day. Maybe I'm just timid about forcing something to shut down. Then there's the case...

I'm thinking 'Inverter/battery info (/system_status)' would provide error codes.

Same boat. I at least check daily, always curious how much production the day had and look for anomalies.

If you use Netzero or Powerwall Dashboard, you might see errors logged to identify potential issues. I'm assuming that since was installed 1.5 years ago, this is all Tesla gateways and inverters. For instance, Powerwall Dashboard gives me a list of what messages have been logged in the last...

There have been several solar roof cancellations, which could be a number of reasons: no installer for your area, too much re-work for the roof structure/weight distribution. How long was your order in process?

I replaced my water heater with a GE Geospring hybrid about 8 years ago. I also bought the Home Depot 10 year warranty for it. About 2 years in, it didn't seem to be heating the water appropriately, so I contact HD for help. They couldn't find anyone to service it, so they sent me a check for...

With the Tesla inverters and Gateway devices, Tesla has been known to proactively monitor and contact owners of impending issues. Not often, but they do reach out, as ascertained from many other posts here.

Sense Solar CTs have always been off. The only way I could get them to work was reversing the polarity on one of the Sense CTs, and sense support washed their hands of supporting me when they knew I had batteries. I don't really pay attention to them TBH. I use sense for understanding my...

Here's May 2nd @ 11:45am. You can see the gradual increase in usage, as my solar ramps up. This is my usage, I picked a spot prior to my AC or pool heat pump kicking in. Here's my solar production at that time: Comparing what sense saw for panel usage at about that time: 1411w at the...

I might be nearing the end of my good spring run. I'm down to 27% battery and it's going to be a stormy day, IRL and in my span of grid freedom. And, now stormwatch has kicked in....

On my install, l see the 10% loss in the house usage versus inverter cost. My house will show about 1.5kW higher than my Sense or Emporia says my house is using when I'm hitting 15kW solar. That seems to be because Tesla is accounting for the inverter wattage that is needed for the conversion...

Just FYI, you can request Tesla to adjust the inverter turn-off frequency. By default, my system changed from 60 to 65Hz when off-grid or grid outage situation, when the batteries were full and solar was more than the house was using. My uninterruptible power supplies, which I have my...

I am in no rush to have my gateway upgraded. :)

I'm also on 23.28.2, PW2s in FL.

Yes, you will change your W-Fi connection in the Tesla app, under Settings -> Wi-Fi.

Sorry to hear that, but even so, 28 days is a great run! Hopefully it doesn't end with zombies :) The screenshots are from Powerwall Dashboard: https://github.com/jasonacox/Powerwall-Dashboard

Following up on this, probably the best month so far. 30 days and no pulling from grid other than sync. Even looks great going back 90 days to February...

My ROI on batteries is about 9.5 years at current electric rates (after federal tax incentives, and after solar ROI is reached @ 5 years 7 months). My utility has raised rates twice since I installed, so I can only assume that timeframe will reduce over time. That's just about at warranty...

I drew power from the grid on April 4th, haven't touched it since. Well, other than grid sync. The graph below shows my set of powerwalls charge rate (reserve set to 20%) - April 1st to today. Here's my import vs export graph. This is a cumulative graph - blue line is export and purple...

Yes! My install completed on Aug 31, 2022, received PTO on Jan 17, 2023. Ran for about five months before I had to make a payment.

I have a 20.4kW Tesla system, 51 T400 panels with two 7.6kW inverters. My max daily production (to date) was 137kWh.

Adding more data. Not trying to decipher specific reasons, just think it is an interesting exercise in looking at variables. Wind speed was pretty close on each day. Wind direction was slightly different... I bet that is a key factor.

Yes, there were some clouds at the tail end of April 14th, around 6:45pm. Around then I am typically down to 2.1kW production. It probably impacted slightly. I actually seem to have had more high clouds on the highest production day, April 13th, throughout most of the afternoon.

This is more of a dissertation than a question. I had three perfect, consecutive sunny days, April 13th through April 15th. I know temperature affects solar output, but what about humidity and barometric pressure? The production variations are not very big, less than 5%, but I expected them...

Yeah, don't think an inverter would run consistently at 165% production. The 7.6kW inverters barely do 125%. Plus, unless you have giant magnifying lenses pointed at your panels, not likely that 4.8kW of panels will produce 6.1kW.

From my experience, this is normal. My reserve is set at 20%, and on those times I reach that threshold (sometime in the middle of the night usually), by morning the PWs are down to 18 or 17%.

Amazing accomplishment! Next up? Cancelling Comcast/Xfinity? That'd put you 2/0 into superhero status! That is a long time to go with issues, I can understand the frustration. Glad you got it sorted, and thank you for sharing your experience and resolution. It will definitely help someone...

When you hear Tesla saying 'it's coming soon', just think... Cybertuck.

There are bypass diodes in each panel to reduce this. When researching this last year, I found this video helpful:

There was several, but one was around how the inverters are designed to run consistently at 125% output. They also said that running two strings in parallel would serve better across the south facing roof. I thought I knew enough, but the wonderful people on this forum have helped me learn so...

There is not any feedback for the PWs provided from the units themselves. The communication wires to the gateway relate all the PW status. I suppose it is possible to get the green glow if you hook it up and power it on, but I've never done that so can't say for sure.

There is the possibility that the installers will alter the plans, not to fit your best energy strategy, but to make for the simplest install. I had shared shading timelapse with my designer who altered strings based on the information I provided. The installers looked at the plans and made...

The gateway is the controller for the PWs, there are communication control wires that connect the two. Hopefully the unit has not been sitting for a long time, a zero charge could make it a very large paperweight...

Yes, 7kW peak and 5kW continuous. You were definitely pushing the limits! https://www.tesla.com/sites/default/files/pdfs/powerwall/Powerwall_2_AC_Datasheet_EN_NA.pdf

In his graphic, you'll see by the powerwalls '8x', that means he has 8 powerwalls.

I think something might not be setup properly. Mine is similar to yours in graphs, but it only shows 1% for grid. The 1% makes up for the occasional sync/spike draws.

Skycam footage (not terribly exciting, but you can see the sun dim around 3:07 - peak - from the partial eclipse over Florida).

https://www.tesla.com/support/tesla-app/charge-on-solar Some quotes on the support page: 'Note: Your vehicle may delay the start of charging until there is at least 1.2kW of stable excess solar to maximize efficiency and lifetime of your charging equipment.' 'Your vehicle will charge from...

Just to add here, keep track of what your designer creates vs what your installers will want to install. In my instance, I had provided shading details to the designer and he created multiple stings to accommodate on paper. However, the installers changed the design to match what was easier...

Just a note, when the PWs are charging, there is fan noise. At least there is with the PW2s. That may be annoying for someone working nearby.

@morbidz is right, most realtors will tell their prospective buyers to run away from residual loans, especially solar. Your best bet is to calculate paying it off and asking a higher sales price to compensate.

I used the Tesla Powerwall add-in: https://www.home-assistant.io/integrations/powerwall

Found this, but not sure if it matches your inverter: https://nakedsolar.co.uk/solar-pv/solaredge-wifi-password-instructions/ If you scroll to the bottom, there is a video that talks about the 'no-screen' inverters.

This footnote seems to mark a change to PW2 hardware, prior to March 2019. You could be on to something @jjrandorin Compared with 2017 PW 2 specs: The newer version is lighter, but most likely a change to internal battery types. It also was slimmed down slightly, 2mm in width and 8 mm...

If you are using the Powerwalls as solar consumption/backup only, the throughput limit does not apply. It is only for those using them outside of those parameters, perhaps VPP or other.

My powerwalls all started at just over 15.2kWh at install. At 19 months, they are each between 14.3 and 14.6, so just over 6% degradation from the original starting kWh, but still 107% of warranted capacity (13.5kWh in US). Mine are set to 20% reserve, but typically drain to about 50% at night...

I'm amazed that your roof is still charging at 9:41pm... I'm assuming that is 9:41pm as you generated 91.5kWh today, that would be amazing for 9:41am.

My system was installed in August, 2022, but PTO didn't happen until January, 2023. Taking my tax attorney's advice, I went with the installation date. That is the warranty start date, not when it is billed or invoiced.

My experience with Tesla direct is they have switched to mostly using their own T400 series panels. I'm not sure who manufactures them for Tesla, but they swapped out the Qcells with T400s on my install about 1.5 years ago. The installer said they are moving towards the full Tesla product line...