I would go with the Brevard Solar's quote, with Enphase microinverters. It's a very good price. Who cares if they are out of business in 5 years, the warranty is from the manufacturer anyway.
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The problem is getting someone to go on the roof and pull the failed inverter. I believe Enphase does not cover labor, so the cost for the truck roll is borne by the installer. If the installer is out of business it is on the homeowner to find an installer and pay them to pull the bad one, send it to the manufacturer for replacement, wait for the new one, and come back out to install it. I don't say this to discourage anyone from using Enphase. I'm happy with mine and among 3 houses in my extended family we have not had a single one out of more than 60 devices fail in more than 6 years of use. I would encourage people to use an installer that will be around to service their installation.I would go with the Brevard Solar's quote, with Enphase microinverters. It's a very good price. Who cares if they are out of business in 5 years, the warranty is from the manufacturer anyway.
Optimizers don't cost very much. Don't know why they wouldn't just go that route if that's what the customer wants.
I have another company (Windmar) who will use micro-inverters and say that they are
certified to install Powerwalls AND have PW's in stock.
It's very strange Tesla isn't using Panasonic panel on all the projects since Tesla contracted Panasonic to produce solar panel in Gigafactory 2.
At first I thought this was Panasonic panels but SC 310/320 did not reveal muchSC 310-320
Just signed on the dotted (digital) line about an hour ago. Signed the loan papers too AND THENAt first I thought this was Panasonic panels but SC 310/320 did not reveal much
First look at Tesla’s latest solar panel made at Gigafactory 2
Which option are you ending up going with? 3rd party with LG and Tesla for Powerwall?
In the USA, the Powerwalls only charge from solar except during StormWatch events. If you are really low generation, it will use all available solar to charge the batteries. The chance of the total generation being truly zero for a whole week is nearly zero. The Powerwalls will just drain to the Reserve level and charge a little above that and discharge back down to it each day. If you know a big storm is coming and you are likely to lose power, raise the Reserve level before the storm comes so you can save that energy for the stormy period. When StormWatch is active due a National Weather Service Alert high enough and the right type, the Powerwalls will charge from the grid.I have a dumb PW2 question - if the sun doesn't shine for a week will the PW2 charge itself from the grid at night if power is cheaper at night?
I have confirmed my order for two powerwalls. I have 26 solar panels with Enphase microinverters. Found out one of my microinverters failed almost a year ago and I hadn't noticed (system has been installed many years and I take it for granted now). My solar installer sent an RMA to Enphase, we'll see how it goes getting it put in.
In the USA, the Powerwalls only charge from solar except during StormWatch events. If you are really low generation, it will use all available solar to charge the batteries. The chance of the total generation being truly zero for a whole week is nearly zero. The Powerwalls will just drain to the Reserve level and charge a little above that and discharge back down to it each day. If you know a big storm is coming and you are likely to lose power, raise the Reserve level before the storm comes so you can save that energy for the stormy period. When StormWatch is active due a National Weather Service Alert high enough and the right type, the Powerwalls will charge from the grid.
ITC credit only allows Power wall to be charged from solarAny idea why the USA is different, and won't allow charging from the grid? I assume its a legal restriction. It sure would be nice to charge it at night, and it seems like the utility would like this as well since they have less demand at night...
In the USA, the Powerwalls only charge from solar except during StormWatch events. If you are really low generation, it will use all available solar to charge the batteries. The chance of the total generation being truly zero for a whole week is nearly zero. The Powerwalls will just drain to the Reserve level and charge a little above that and discharge back down to it each day. If you know a big storm is coming and you are likely to lose power, raise the Reserve level before the storm comes so you can save that energy for the stormy period. When StormWatch is active due a National Weather Service Alert high enough and the right type, the Powerwalls will charge from the grid.
I need more solar. The solar was sized for the house and my budget 6 years ago. It does not generate enough to cover charging two EVs.Shoot, I just noticed your signature - two PW2s and solar - so what has your experience been as far as keeping the PW battery charged? I mean, does it get to 100% or do you wish you had more solar panels so you could capture more juice and use it during peak times?