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Sunrun HIS with existing solar

252 Views 6 Replies 3 Participants Last post by KElkhorn, 10 d ago

Kendotelie

Discussion Starter · 11 d ago

Hi team. I have a 23 Lightning and very recently received the pro charger. I have a question about what the current state of things are in terms of getting the 10kw inverter from Sunrun or the other vendor I always see mentioned.
I have a 14.5kw solar pv system from Enphase. 43 inverters and panels. My home has a 150amp main service panel. If the pro station is installed, it'll be within 9 feet of the main panel

Sunrun quoted me pre-inspection at 9k+, but I understand they likely won't want to touch my system since I have panels already.

I'm in the state of FL, so what could I reasonably expect a electrician to charge for materials and labor?

Since I have panels already and no batteries, is it recommended to install the HIS? Or Given my scenario, would it make more sense, to invest in a powerwall or two?

Please and thanks

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KElkhorn

· #2 · 11 d ago

Kendotelie said:
Hi team. I have a 23 Lightning and very recently received the pro charger. I have a question about what the current state of things are in terms of getting the 10kw inverter from Sunrun or the other vendor I always see mentioned.
I have a 14.5kw solar pv system from Enphase. 43 inverters and panels. My home has a 150amp main service panel. If the pro station is installed, it'll be within 9 feet of the main panel

Sunrun quoted me pre-inspection at 9k+, but I understand they likely won't want to touch my system since I have panels already.

I'm in the state of FL, so what could I reasonably expect a electrician to charge for materials and labor?

Since I have panels already and no batteries, is it recommended to install the HIS? Or Given my scenario, would it make more sense, to invest in a powerwall or two?

Please and thanks

The enphase setup certainly complicates things. One of the downsides of micro inverters.

I think you could potentially install the HIS to the same panel enphase feeds to allow solar to feed house during the day during an outage, with truck feeding house at night, but this would not be a beginner level course and sunrun likely wouldn't want any part of it.

Given your setup, you might be better off reaching out to your solar provider to price out a battery system.

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ChasingCoral

· #3 · 11 d ago

You might want to start by reading a couple of related threads:

Home Integration System With Solar Install

Has anyone had their Home Integration System installed? I am especially interested in someone who has a solar array connected to the bi-directional inverter. My biggest question is can anyone confirm that when the main grid goes down and the intelligent back up power activates (assuming the...

www.lightningowners.com

New Member with a new home solar system and a wave 3...

Trying to figure out all the details to get my new 11.4 Kwh SolarEdge home solar system to fully use the Lightning’s battery backup to run when the grid is down.

www.lightningowners.com

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Kendotelie

Discussion Starter · #4 · 11 d ago

I actually had read those posts which were very insightful but I had hoped things might have progressed in the industry since then, I know 1 year isn't enough though. Like being able to get the 10kw inverter instead of just the 4 if I go local installer.

I also just got done watching the video that compares the lightning (pro) to the tesla powerwall and essentially, I have 9 powerwalls already sitting in my driveway. So it could be 9k installing the HIS somehow or spending 20k+ for 2 powerwalls. Ain't no way I go beyond 2. Now off principal I can't see myself getting batteries while I own the lightning.

Another promising project is the enphase bidirectional system thats poised for 2024.

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KElkhorn

· #5 · 11 d ago

I have the 10 kW BDI, with solar. It works fine for solar, is flaky for home backup.
It's been available the whole time, just tricky to order.

If you had string inverters it would be easy to swap over.

It also allows for batteries other than the truck to be wired in.

If that is your long term goal, it's not a bad way to go, but it's not quite there yet. It doesn't charge batteries from solar as a primary function, more of an incidental side effect at times.

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Kendotelie

Discussion Starter · #6 · 10 d ago

For the costs involved I think i should wait until enphase produces their solution in the next year (hopefully) since it should in theory better integrate with enphase pv systems and it offers the ability of sun to vehicle. The system wouldn't then be tied to Ford/Sunrun

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KElkhorn

· #7 · 10 d ago

I'd agree.

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