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Aside from the potential to at least beak-even on electricity generation vs purely getting it off the grid, what I have not heard much of is input from roofers.How the heck do you deal with a roof job when the roof is covered with (fragile?) solar panels? How much extra is a labor to remove/replace and get an electrical involved? No escaping a permit for the roof job and a building inspector is going to want a permit for the electrical work. More common electricians don’t have a boom handy for moving solar panels....And leaks- I know you want as few exposed fasteners on asphalt roofing as possible. I’ve dams- let’s say snow gets packed under the solar panels, panels warm and soak the snow with liquid water rolling off, then it freezes.Watts per sq meter at this latitude matters too.Gray January day- I’m seeing about 49 watts/sq meter on my home WX station.January 12, 2020 - A sunny January day - about 375 watts/sq meterJuly 13, 3019 - about 800 watts/sq meter.... so why have I never heard the conversation that you’re going generate 1/2 the wattage in the winter vs summer?Also would love to hear from realtors- are solar panels on a house considered a plus or minus? How does that factor into an appraisal? Home inspectors input?I’m all about solar, but it has limitations at this latitude. I’ve heard sales pitches from salespeople and it’s basically a lien on your house until you break-even in 10-30 years.
OK I have some time to post on this...…There's good and bad to them. Most people ignore or don't ask and just look as if theyre doing good and want a star sticker for their fridge. Starters there are a lot of fly by night companies out there installing these. So make sure you find one who been round a while with a good name. When the company goes bye bye this might be an issue. Some companies rent you the panels seeing these panels are expensive and they get the rebate, if any. From what Im understand this rebate thing is slowly going away too. The best optimal placement for the panels would be the east to west so as to get every bit of sunlight off the best results. Though I've seen some situated on the roof with the house going north to south. Don't know how efficient they are though I'm sure they r working.Looking at round ten thousand (give or take a thousand or so) and the price goes up from there to have these installed.When installed you have added weight to your roof and if not secured properly or the holes not properly sealed you will have problems not just with the extra weight. Looking at the frame, brackets, and panels weighing bout 3lbs per square foot. Insurance is another thing people over look and if you own your home I've talked to people where their property tax went up. I've talked to a few firefighters on this. Fire in your house, forget the fire departments trying to save the house. Contain the fire would be the objective. Houses with their whole roof filled with panels there is no way to vent the house. The lights from the truck will activate the panels. You can turn the panels off to the house but they will still be active. Water and electricity don't mix.During a storm these can easily get damaged and rainy, cloudy, snowy days with snow covered panels, you will be using electric from the street. Never mind if you need to change your shingles. Its a bigger project now and adds to the cost of the roof. These panels and systems need to be maintained every year so a service plan is needed.You get somewhat free electricity. Your electric bill will drop The way I look at it, it wont be "free" for long if they tax you on rain water collection.There is a lot to look into which most blindly over look or don't look into at all. Not saying solar electric sucks, its pretty good imo. I would like to get solar panels for my house. I spend up to $500.00 a month in the summer time. Though I want the panels mounted on stands on the ground. I have the room and the oriented space.
Are you positive that battery backup solar systems are not legal here? Where did you see this?
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