Recent content by GregTR

Unfortunately we had cloudy skies here in TX so didn't get such a pretty chart as I did last fall.

It does not drop to zero, it drops to whatever my load is in the house. I'm essentially islanding during the day and only use the grid at night since I get free nights of electricity. This is why I am often at 100% on my battery during the day as I seldom drop below 90% between 7AM (free...

I have TIGO optimizers and I had to turn off the arc fault detection as well, it was producing false alerts and shutdowns when the optimizers were optimizing.

So I have noticed a similar thing on my Sol-Ark 15K in October, 2022. Note that I use Solar Assistant so I have much more granular data than you do on mysol-ark.com BTW I just learned that PowerView only stores daily data for a year as I could not look up the matching data over there. For me...

I think the answer misses the point. The user already has a system and they treat the investment as "sunk cost". They want to know what amount their system is getting degraded by exporting over not exporting. For example: Let's say their inverter, one that costs $5,500 to replace, will die...

For the TL;DR: This new conductor essentially replaces the steel backbone with carbon-fiber or other alloy that has similar/better strength as the steel core with much smaller cross-section area and it replaces the circular aluminum strands with trapezoid shaped ones for a tighter packing...

https://www.sciencedirect.com/topics/earth-and-planetary-sciences/high-voltage-line

I think the question that is being asked is "Am I degrading my system by more than $0.03/kWh exported?" I don't think the solar panels care whether they're producing or not. The inverter will likely die quicker/sooner if it's driven to produce more power, however how much sooner it will die is...

TOU settings are only applicable if the grid is up. If the grid is down the battery will deplete to the level defined in the settings.

I have Home Assistant and I am using the Emporia integration with it. Since I currently have free nights and also a battery, I have yet to invest too much time into getting things automated to maximize solar use, I'm better off just exporting all the excess and charge my EV at night. But if the...

I have 30 degree south and 48 degree east/west panels in DFW. Jan 2023 - 1,524 kWh Feb 2023 - 1,506 kWh Jan 2024 - 1,471 kWh Feb 2024 - 1,642 kWh (2.5 days to go) This is on a 19.4 kW system so only 84 kWh/kW. If I only look at the: east facing ones 75 kWh/kW south facing ones 120 kWh/kW west...

There is no PLC from Tigo, Tigo's comms are on separate wire from CCA to TAP and wireless from TAP to the individual optimizers.

I have 8s2p on two of my MPPTs and 6s2p on the third one. I had arc fault tripped with the Tigos and I disabled it in the Sol-Ark.

Except that I prefer my static addresses to be of a different range than DHCP ones. Netgear's Orbi is pretty crappy with DHCP in general, so I much prefer true static addresses. I did manage to set it on the raspberry Pi eventually so I'm fine now, I'm crossing my fingers to see if the wired...

Rarely people include opportunity cost in their calculations :-) https://docs.google.com/spreadsheets/d/14adTRsoK_6cY6lLonZz6q27T2ZnmWHg5mtCzkDAme68/edit?usp=sharing is a ROI calculator that should give you an idea on RoI (It does include opportunity cost). The way you can measure your ROI is...