You get almost as good exposure to the west, as the high-demand hours for the electric grid are usually in the afternoon. So if you put half your panels on the south-facing part of the roof, and the other half on the west-facing part of the roof, you would probably be OK. 44° N is not too much further north than us (we're at 37° N), but you also get a lot more cloud action than we do.


bp
<part15sbs{at}gmail{dot}com>

On 9/3/2018 4:37 PM, Mike Hammett wrote:
https://www.google.com/maps/place/41%C2%B052'02.2%22N+88%C2%B044'01.9%22W/@41.867275,-88.7344092,219m/data="">

I don't really have a ton of area to put solar panels, given that my house largely runs N - S. I'm not sure it's fiscally worth putting them on the E or W facing slopes. I only have a little bit of S facing slope. Some on the main house and some on the garage.

Obviously the farms have a lot of S-facing slopes, but that doesn't do me a whole lot of good.  :-)


From: [email protected]
To: "AnimalFarm Microwave Users Group" <[email protected]>
Sent: Monday, September 3, 2018 2:03:03 PM
Subject: Re: [AFMUG] OT: Thermal Effect of Solar Panels

Only because the shaded area might cover more surface area.
 
Solar panels are supposed to be mounted so that there will be convection air currents flowing behind them to help them keep their temps down.
Lower temps == higher voltage and higher power output.
 
But solar insolation is directly proportional to irradiated area. 
Shade is pretty much shade irrespective of coming from a tree or a panel. 
 
 
Sent: Monday, September 3, 2018 12:01 PM
Subject: Re: [AFMUG] OT: Thermal Effect of Solar Panels
 
So would a tree shading a roof have more impact on the temperature than a solar panel?


From: "David M" <[email protected]>
To: [email protected]
Sent: Monday, September 3, 2018 10:11:13 AM
Subject: Re: [AFMUG] OT: Thermal Effect of Solar Panels

I would assume to say that is correct so long as you do not trap the air underneath.

 


On 9/2/2018 7:58 PM, Forrest Christian (List Account) wrote:
It shades the roof, so it does reduce the temperature a bit.  Some say it's about 5 degrees or so...
 
Of course YMMV....
 
On Sun, Sep 2, 2018 at 6:40 PM, Mike Hammett <[email protected]> wrote:
What effect would having solar panels on the roof of a house have on the temperature of the roof and or attic?

I would assume it to be less because it is absorbing a bunch of the energy and then there were still be the layer of air between the panel and the actual roof, but I'm not an expert on these things.

-----Mike HammettIntelligent Computing SolutionsMidwest Internet ExchangeThe Brothers WISP



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Forrest Christian CEO, PacketFlux Technologies, Inc.
Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602
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