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I had 8.4 kW system with 2 powerwalls installed September 2022. Tesla told me that they needed to upgrade my service entrance in order to proceed, which I agreed to. My question is: Do I use the total price on my invoice or do I have to subtract the price of the upgraded service entrance for my...

Our power went out today. It wasn't seamless, it took a couple of minutes but the powerwalls did come on and stayed on for about two hours, at which time they mysteriously failed. We only had a ceiling fan and a light on and possibly the refrigerator. The powerwalls were charged to at least 95%...

My batteries were at 49%.

I turned the grid off with the main breaker this morning. The Powerwalls immediately took over and the phone app said they were powering the house. So hopefully my problem is solved. Thank you so much for your help. John

Our system is 8.4 kW with 2 Powerwalls and full home backup. We have used the "Go off grid" feature on the app to simulate a power outage and the Powerwalls come on immediately. We are on a PG&E time of use plan so we don't use energy hungry appliances during peak times. The power went off...

That is correct. Also, a little more information. We have an 8.4 kW system, 2 Powerwalls, and whole home backup.

First time we lost power due to a big storm our Powerwalls did not turn on. We only had lights on in the house. We have NO electric heat, water heater, air conditioning, etc. Nothing was on that was sucking power. I restarted the Powerwalls but they still didn't turn on. I called Tesla Tech, the...