Tesla switched inverter to Delta (no optimizers) from promised solaredge (with optimizers)

[Heretic]

A couple weeks ago, we had install of a 11.8kw panel set with 3 powerwalls completed. While I was promised a system power optimizers for shading and a solaredge 10k inverter (both verbally and was on the planset in 11/2020), what is actually installed has no optimizers and a Delta M10-TL-US inverter. this brand seems to have seveer issues cuting in and out with even a small amount of shading (less than 25% of panels have partial sahde, cuts system output to 20%), or small variations in sunlight due to clouds passing by (output cuts to zero for about 30 mins).
Emailed details to project advisor (no response near 2 weeks) also the planner (no repsonse) posted service requests in the app (no response, a week), etc.

Can I get some suggestions on how to convince Tesla to install the optimizers? The limited (poor) info on delta I can find suggest they don't support optimizing, so it would mean the inverter changed out too.

Overall, this seems like shady business practices. It's analagous to making a deal to sell me an F350 pulling a trailer, and then deliver an F150 with a trailer, then run away and ignore me. I quoted otehr vendors originally with the same specced solaredge and optimizers. is this how Tesla could give me a better price? By planning to play switcheroo with the install?

 

[jrweiss98020]

Tell your electrical inspector that the installation is not according to plans. They should fail the inspection until it is.

 

[nwdiver]

A couple weeks ago, we had install of a 11.8kw panel set with 3 powerwalls completed. While I was promised a system power optimizers for shading and a solaredge 10k inverter (both verbally and was on the planset in 11/2020), what is actually installed has no optimizers and a Delta M10-TL-US inverter. this brand seems to have seveer issues cuting in and out with even a small amount of shading (less than 25% of panels have partial sahde, cuts system output to 20%), or small variations in sunlight due to clouds passing by (output cuts to zero for about 30 mins).
Emailed details to project advisor (no response near 2 weeks) also the planner (no repsonse) posted service requests in the app (no response, a week), etc.

Can I get some suggestions on how to convince Tesla to install the optimizers? The limited (poor) info on delta I can find suggest they don't support optimizing, so it would mean the inverter changed out too.

Overall, this seems like shady business practices. It's analagous to making a deal to sell me an F350 pulling a trailer, and then deliver an F150 with a trailer, then run away and ignore me. I quoted otehr vendors originally with the same specced solaredge and optimizers. is this how Tesla could give me a better price? By planning to play switcheroo with the install?

There is a TON of misinformation out there about optimizers. If you don't have a complicated array arrangement with minimal shading you will likely have better performance without optimizers. Even with shade there's not going to be a noticeable difference.

Optimizers what are they good for?

 

[SoCalSolarRoof]

A couple weeks ago, we had install of a 11.8kw panel set with 3 powerwalls completed. While I was promised a system power optimizers for shading and a solaredge 10k inverter (both verbally and was on the planset in 11/2020), what is actually installed has no optimizers and a Delta M10-TL-US inverter. this brand seems to have seveer issues cuting in and out with even a small amount of shading (less than 25% of panels have partial sahde, cuts system output to 20%), or small variations in sunlight due to clouds passing by (output cuts to zero for about 30 mins).
Emailed details to project advisor (no response near 2 weeks) also the planner (no repsonse) posted service requests in the app (no response, a week), etc.

Can I get some suggestions on how to convince Tesla to install the optimizers? The limited (poor) info on delta I can find suggest they don't support optimizing, so it would mean the inverter changed out too.

Overall, this seems like shady business practices. It's analagous to making a deal to sell me an F350 pulling a trailer, and then deliver an F150 with a trailer, then run away and ignore me. I quoted otehr vendors originally with the same specced solaredge and optimizers. is this how Tesla could give me a better price? By planning to play switcheroo with the install?

I ended up cutting my trees down due to this issue with a delta M8 inverter. Once installed it will be hard to get them to change it. How much shade do you have? What is it caused by?

 

[cali8484]

A couple weeks ago, we had install of a 11.8kw panel set with 3 powerwalls completed. While I was promised a system power optimizers for shading and a solaredge 10k inverter (both verbally and was on the planset in 11/2020), what is actually installed has no optimizers and a Delta M10-TL-US inverter. this brand seems to have seveer issues cuting in and out with even a small amount of shading (less than 25% of panels have partial sahde, cuts system output to 20%), or small variations in sunlight due to clouds passing by (output cuts to zero for about 30 mins).
Emailed details to project advisor (no response near 2 weeks) also the planner (no repsonse) posted service requests in the app (no response, a week), etc.

Can I get some suggestions on how to convince Tesla to install the optimizers? The limited (poor) info on delta I can find suggest they don't support optimizing, so it would mean the inverter changed out too.

Overall, this seems like shady business practices. It's analagous to making a deal to sell me an F350 pulling a trailer, and then deliver an F150 with a trailer, then run away and ignore me. I quoted otehr vendors originally with the same specced solaredge and optimizers. is this how Tesla could give me a better price? By planning to play switcheroo with the install?

That's beyond shady. Maybe you should Tweet Musk.

 

[bevo]

Sorry to hear about your bad experience. Remember that Tesla offers price match (competitor quote within 14 days of Tesla's quote and other restrictions) but most importantly for you, satisfaction guarantee. From their website when placing a new order - "If you’re unhappy with your order for any reason, we will uninstall the system for a full refund within 7 days of power on"
Of course you would have to be willing to part way with Tesla solar if they won't fix it but it's an option and you can get your money back.