Me, too. All I got was not permitted.I would be interested to hear their justification for disallowing a UL listed product applied in the intended manner.
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Me, too. All I got was not permitted.I would be interested to hear their justification for disallowing a UL listed product applied in the intended manner.
I don't believe that's true. POCOs have lots of requirements that exceed the NEC, so they disallow lots of otherwise compliant things for an electrical service. A simple example would be a minimum underground service conduit size that exceeds the minimum size the NEC would allow for the conductors that are going to be in it. They have the power to enforce these requirements, because if you don't comply, they won't hook up your power.Technically they cannot deny this.
You have two issues:We have 800amp service going in our new construction house and I just requested our (hopefully) soon to be installed 35kw solar/4PW system be changed to PW+ so we can backup the entire house instead of just one 200amp panel. Does anyone know if PW+ will work with 800amp (or even 600amp) service for whole home backup? I don't really know how it backups up the entire house so I'm curious if anyone has any insight.
Thanks!
The Powerwall+ is limited to a 7.5kW solar system.
I guess that makes sense. But for his 35kW system he would need 5 Powerwall+ systems, where he was only looking for 4 Powerwalls.It seems like it's possible to combine multiple PW+. Here's one example of a 12.24 kW system being quoted two PW+ and one PW2:
I guess that makes sense. But for his 35kW system he would need 5 Powerwall+ systems, where he was only looking for 4 Powerwalls.
The transfer switch (gateway) is only 200A. If your 800A service can be split into separate 200A panels, then you might be able to divide the critical and non-backed up loads and put separate PW(+) on as many panels as needed.We have 800amp service going in our new construction house and I just requested our (hopefully) soon to be installed 35kw solar/4PW system be changed to PW+ so we can backup the entire house instead of just one 200amp panel. Does anyone know if PW+ will work with 800amp (or even 600amp) service for whole home backup? I don't really know how it backups up the entire house so I'm curious if anyone has any insight.
Thanks!
Is this the same / similar thing from San Diego Gas & Electric "Renewable Meter Adapter" ? Renewable Meter Adapter | San Diego Gas & ElectricAnd it's interesting that the meter adapter is a Tesla product, so I guess no electrical equipment manufacturer came up with this idea before.
Is this the same / similar thing from San Diego Gas & Electric "Renewable Meter Adapter" ? Renewable Meter Adapter | San Diego Gas & Electric
I think there is a third issue. Each powerwall is 30 amps. Four would be 120, obviously.You have two issues:
So I think you would still be stuck going with a traditional Powerwall system.
- The Powerwall+ is limited to a 7.5kW solar system.
- The Powerwall+ meter adapter is limited to 200A just like the Backup Gateway 2.
Benefits to the Utility, CPUC, & ratepayers
- Uniform, faster installation method
- Streamline interconnection requests
- Easy to understand for Utility field employees or emergency personnel
- Discourage unsafe installation methods (modifying panels)
- Provide a better interconnection option for PSPS-impacted customers looking for resiliency from ESS
- Saves customers $1,200 - $5,000 per installation, making the tech more accessible
- Reduced storage installation cost extends the SGIP Equity Resiliency budget by 11% by reducing the overall installed system cost.
- Saves 5 hours of on-site installation labor time, meaning faster deployment to customers who need it
- Mitigate possible points of failures due to ~60 fewer wire terminations
The way it was explained to me.I spoke to a Tesla Advisor (not mine but some random guy) who said that the last he they were only doing PW+ for systems up to 12kw because they just started deploying it and are ramping up in size slowly. I don't know how accurate that is but I guess I'll find out in a week or two when they come back with the updated design (if they can).
Just more info on my setup, we have 4 200 amp panels, 3 of which are for the main house and 1 for the guest house/pool area. I'd prefer to have more than one 200 amp panel backed up but I don't only want one PW+ per panel...that doesn't seem like it would be enough power. I'm willing to go up to 5 PW+ if that helps things but I doubt it will matter based on what you guys are saying.
Thanks for all the info you all have provided!