Yeah, thats good. My south-facing roof has a pretty high pitch- might even be

Jan 13, 2017
3:53:45pm

cheezedawg All-American

45 deg. when I put that in it reduced the output some. So then I tried my west-facing roof. Its bigger, so I could fit a larger system there, but not as efficient because of the west facing direction.

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cheezedawg

Bio page: cheezedawg
Joined: Oct 4, 2007
Last login: Apr 26, 2024
Total posts: 66,284 (16,717 FO)

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Messages

Author

Time

RE: Self install rooftop solar 8ish month update

silent_t

1/11/17 9:30pm

Nice job! Wish I knew more about it and how to do it

tander123

1/11/17 9:35pm

I always wondered how long it would take before we started seeing DIY solar

byu1

1/11/17 9:40pm

Thanks for the update!

Spine

1/11/17 9:41pm

But I think your roi is because you did it all.

johnnycarson

1/11/17 9:47pm

It was definitely cheaper to do all the installation myself

silent_t

1/11/17 9:55pm

the only real barrier is the electrical license required

Nat Gas Man

1/11/17 10:00pm

Yeah, you don't need a license if you are the homeowner

silent_t

1/11/17 10:04pm

Some state require final hookup must be done by electrician

AggieWeekendCougar

1/11/17 11:09pm

this is the piece I was referring to. Yes that should be a licensed electrician

Nat Gas Man

1/12/17 8:29am

Even then, if you have it prepped enough I is one hour labor

AggieWeekendCougar

1/12/17 9:22am

In Utah you can do this step yourself. Most probably wouldn't be comfortable tho

silent_t

1/12/17 9:27am

Here is what I don't get

cheezedawg

1/12/17 5:13pm

really doesn't make sense in many areas yet...the cost has to come way down and

Nat Gas Man

1/12/17 5:22pm

It doesn't make sense without the government rebates and tax credits.

My Soapbox

1/12/17 6:48pm

I had a few minutes this morning so I created a cart in renvu for you

silent_t

1/13/17 9:20am

Thanks! So the 22kW system was not the right size?

cheezedawg

1/13/17 9:47am

I think you are probably underestimating your solar insolation

silent_t

1/13/17 10:46am

I like the PVWatts calculator (see link in body). Not sure if more

AggieWeekendCougar

1/13/17 12:58pm

Yeah that one is great. I used that on my final spec for my system

silent_t

1/13/17 1:08pm

Yeah, thats good. My south-facing roof has a pretty high pitch- might even be

cheezedawg

1/13/17 3:53pm

You can adjust angle with mounting hardware, but have to be careful if in a

AggieWeekendCougar

1/13/17 5:05pm

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