How Easy Are Solar Panels to Install
Solar installations are getting easier all the time and there's plenty of do-it-yourself information out there. But are you ready to go the DIY route?
Photo © Heshphoto, inc., excerpted from Install Your Own Solar Panels.
If you're interested in solar power, surely you already know that solar electricity is good for the environment, national security, and the air we breathe, not to mention your electricity bill. And that it's one of the best ways to reduce your household's contribution to global warming. You've also probably heard that going solar can actually be cheaper than paying for utility power, and you might wonder whether this claim is true. Well, in most cases, it is true. It just takes time for the incremental savings to overtake the initial investment (after that, the solar power is free). If you install the solar system yourself, you can hit this tipping point a lot sooner — in some cases, in half the time.
That brings us to the next big question: Can you really install your own solar panels? Again, the answer is yes. If you can drive lag bolts and assemble prefabricated parts, and if you're willing to spend a day or two on your roof (or not, if you're mounting your panels on the ground), you can install your own solar system. You don't have to know how to hook up the solar panels to your household electricity or the utility grid. You'll hire an electrician for the house hookup, and the utility company will take care of the rest, usually for free. For a completely off-grid system, the utility company isn't involved at all.
Perhaps disappointingly, this job isn't even a good excuse to buy new power tools, since the only one you need is a good drill.
So, if this is such a doable project, why do most people use professional installers? For starters, a lot of people have good reasons to hire out virtually everything, from oil changes to grocery shopping. (That's probably not you, but even if it is, our book can help you plan for a solar installation and find a good local installer.) Solar professionals handle more than the installation. They design the system, they apply for rebates and credits, they order all the necessary parts, and they obtain the permits and pass all the inspections. But the fact is, you can do all of these things yourself, provided you have a helpful adviser and you are willing to follow the rules of the local building authority (that's where you'll get those permits).
Solar installations are getting easier all the time, and you might be surprised at how much do-it-yourself (DIY) help is available. Two good examples are PVWatts and the Database of State Incentives for Renewables & Efficiency (DSIRE). PVWatts is an online calculator that helps you size a solar-electric system based on the location and position of your house and the angle of your roof. Solar pros use the same simple tool, but it's free for everyone. DSIRE offers an up-to-date, comprehensive listing of renewable energy rebates, tax breaks, and other financial incentives available in any area of the United States. And it's also free and easy to use.
Those two resources alone help answer the two most common questions homeowners have about solar electricity: How big of a system do I need? and How much will it cost? Other resources include solar equipment suppliers that cater to DIYers and offer purchasing and technical support, as well as online communities like Build It Solar. And there's no law that says DIYers can't hire a solar professional for help with specific aspects of their project, such as creating design specifications, choosing equipment, or preparing permit documents.
We should also say up front that installing your own solar panels is not a process well-served by cutting corners. We don't want you to install your system without a permit or without hiring an electrician to make the final hookups. (Even professional solar installers use electricians for this stuff.) The permit process can be a pain, yes, but it's there to ensure that your system is safe, not just for you but also for emergency responders who might need to work around your mini power plant. When you work with the local building department you also learn about critical design factors, such as wind and snow loads, that are specific to your area.
Photo © Heshphoto, inc., excerpted from Install Your Own Solar Panels.
Can I Install My Own PV (Photovoltaic) System? A DIYer's Checklist
It's time for the litmus test that tells you whether to proceed boldly as an amateur solar installer or to hand over the reins to a professional. For most of you, the decision will come down to the rules of the local building authority (most likely your city, county, township, or state) or your utility provider, either of which may require that solar installations be done by a licensed professional. This is also the best time to confirm that your project won't be nixed by your zoning department, historical district standards, or your homeowner's association.
- Amateur installation is permitted by the local building authority and your utility provider.
- Requirements for amateur installation are reasonable and acceptable. Some authorities require nonprofessionals to pass tests demonstrating basic knowledge of electrical and other household systems, but such tests may not be extensive.
- You're okay with several hours of physical rooftop work (those with ground-mount systems get a pass here) AND you're wise enough to wear legitimate fall-arresting equipment (not a rope tied around your waist). You may feel as confident as Mary Poppins dancing on rooftops, but she can fly; you should be tethered.
- You don't live in a historical district or, if you do, the zoning authority permits PV systems (with acceptable restrictions).
- Your homeowner's association, if you have one, permits PV systems (with acceptable restrictions). Sometimes the homeowner's association may need a little nudging to give permission.
- You have a standard type of roofing (asphalt shingles, standing-seam metal, wood shingles, standard flat roof). If you have slate, concrete tile, clay tile, or other fragile/specialty roofing, consult a roofing professional and/or hire out the PV installation. This is not necessarily a deal-breaker.
WARNING: PV systems are inherently dangerous and potentially deadly. As a DIY system installer and owner, you must understand, respect, and mitigate the risks involved with all installation and maintenance tasks. Pay special attention to safety warnings as well as all requirements in the local building and electrical codes and equipment instruction manuals.
Text excerpted from Install Your Own Solar Panels © 2017 by Joseph Burdick and Philip Schmidt. All rights reserved.
Philip Schmidt
melendeznitandeaughs.blogspot.com
Source: https://www.storey.com/article/installing-solar-panels-checklist/
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