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tacman7

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Posts: 26
Reply with quote  #1 
I remember now how hard it was to find an installer that would do a ground mounted installation.

They just want standard track homes.

So I have a sunpower lease and I want to add another system separate from that system.

I should be able to do that right?

Should I try and find a sunpower installer?

They're not going to know it's there are they? Their numbers come from their inverter and the new inverters I buy would keep track of their own generation...

Is there a law against having more than one installation?

I contacted one guy, he wanted to add panels to my existing installation, he said he's going to call me.

tacman7

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Posts: 26
Reply with quote  #2 
I talked to one guy and he was all yes, yes. But he had to have dedicated line to the post from the solar, can't tap into existing/used lines.

I wanted to put up like 4 panels on a microinverter and tap into the existing line at a junction point. Then keep adding moreas needed.


Talked to another guy who sounded like he was cool with tapping into existing line but he wants $ 19k to put in a 5k array.

To do that with permits and everything costs a lot so it would be better to not do it a little at a time but buy it all at once and be done with it.



I want plug and play solar! Has anyone tried any of those?

There's changes coming to the amount of residents here so I might wait and see what the new usage figures are.

There is no joy in Mudville tonight.

stmbtwle

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Posts: 2,538
Reply with quote  #3 
$19k for a 5k setup (installed) doesn't sound out of line, and there might be a rebate or tax credit. The installer should know. Can you persuade him to put in an "expandable" system of say 1kw and add to it later as money comes available? "Plug and play" is easy enough, and you can get "micro grid tie inverters" on Ebay and Amazon. As you're ALREADY grid tied, your utility probably would think their output was coming from your existing system. HOWEVER they're NOT UL listed, and any installation isn't likely to get approval. If anything goes wrong, you could be in deep trouble. Be advised.
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Willie, Tampa Bay
tacman7

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Posts: 26
Reply with quote  #4 
They were saying something about there's a limit on how much my service should be putting out and if you generated more than that they would know something is up.

I might go talk to the county and see if there is any do it yourself permits issued.

I would have to buy a rack that has all the engineering done. Ground install.

There's a guy analyzing my usage to see what size system I would need to break even.

Have to see how my usage changes when people move out.

Thanks
stmbtwle

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Reply with quote  #5 
I'm sure that's true, so you'd either have to get a permit for more power or find a way to make sure you don't go over the limit. Then there's the contract you have with your utility, which is probably for 5kw. You need to talk to them, too.

Generally most of the power you generate is used on-site, and your utility never sees it. It's when you generate excess power that they know about it.

Say you're permitted for 5kw. On an overcast day your array might be putting out 2kw. In theory at least you could have another 5kw array (putting out 2kw) and you'd still be comfortably be within limits. But then the front passes, the sun comes out and you're suddenly putting out 8kw. Oops, busted!

Or say your two arrays are putting out 8kw but you're running some machinery that uses 4kw, you're still under the 5kw cap.... but if you turn that machinery OFF, your output will spike. Gotcha!

Or say for the past five years your electric bill has averaged $200/mo, and suddenly it's running $50/mo. You can bet "they" will investigate. That's how the indoor pot farms get caught, they use a lot more power to run their grow lights, and the utility turns them in.

And then there's Google Earth... it's kinda hard to hide a solar array. Even the little 600w system on my boat is visible. That's how the tax man caught my neighbors storage shed.

Best to keep it legal...

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Willie, Tampa Bay
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