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Tips for Do-It-Yourself Solar Installation
Aug05

Tips for Do-It-Yourself Solar Installation

Installing your own solar power system on your home will save you money. Reading this article before you do that install will save you time and headaches. Read The Manual! First, read all the installation manuals before you start. It probably the most important and most often skipped step. If it hurts your “I know what I’m doing” pride, read them at night when no one is looking. It only takes a few minutes and can save you a ton of trouble. There’s nothing worse than finishing the job and then having to re-do it because you didn’t do something right.  Another important thing is to make sure you have permit approval before you do any work. It is common for installers to get itchy and do something like install stand-offs while they are waiting for the city approval then end up having to move some of the stand-offs to accommodate local fire codes. Just don’t do it. If you are eager to do something before you have approval, re-read your install manuals. Typically, the solar panels are going to be mounted on the roof which means getting all your tools and equipment up there. We know you are strong enough to carry all that stuff up ladder, but it’s not safe and there is no reason to wear yourself out like that. Get a bucket and a rope and when you are finished you won’t feel like it was leg day at the gym. When it is time to hoist up those awkwardly heavy solar panels, get helpers. It is much easier with at least two people and a broken solar panel will cost more than paying someone for a couple of hours of labor so it is worth it. When it is time to hoist up those awkwardly heavy solar panels, get helpers. It is much easier with at least two people and a broken solar panel will cost more than paying someone for a couple of hours of labor so it is worth it. Once you have things on the roof, keep the equipment in boxes and your tools in a bag. Having things strewn all over the roof is a safety hazard, plus you won’t be able to find what you need when you need it. Also, if it is a warm day, anything that is metal is going to heat up quickly in the sun and will burn your hands when you touch it. This includes tools, mounting hardware and solar panel frames so make sure you have a good pair of gloves on the roof with you. The roof attachments for your solar...

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Optimize Your Solar Production
Jul24

Optimize Your Solar Production

The price of solar panels has come down significantly but that doesn’t mean you still shouldn’t try to get the most energy possible from them. The key to optimizing solar panel production is in the installation. We all know to install the solar panels with blue side facing up, but there is a little more to it than that. It is all about the direction the solar panels are facing (often called Azimuth by people in the solar industry) and the tilt angle which would be the angle from horizontal. If a solar panel is oriented so that the sun hits it directly at a 90 degree angle, it will produce the most possible power but the sun is a moving target. Not only does it move across the sky throughout the day, but it is higher in the sky in the summer and lower in the sky in the winter. Many people don’t realize in North America in summer, the sun rises in the Northeast and sets in the Northwest. In the winter that becomes is Southeast and Southwest. It only rises due East and sets due West on the Equinoxes in March and September.  In order to keep up with the sun, many people think they should make the solar panels move. Solar panel tracking systems have been around for a long time, but they aren’t necessarily practical. For one thing, it would look pretty silly to have one on your roof, not to mention the structural and wind load issues you would be dealing with. Ground-mounted solar tracking systems are a possibility, but you are adding moving parts that typically have 5 year warranties and lots of maintenance to an otherwise passive system with a 25 year warranty. The bottom line is that even if you have room to install one in your yard, a solar tracker will be expensive and a pain in the neck. You might gain 20% production, but it would be cheaper and easier to just install 20% more solar panels. So now we are back to talking about what fixed orientation gets you the best bang for your buck. The short answer is to face you solar panels due South at tilt angle slightly less than your latitude. That means if you are as far South as San Diego it would be a tilt angle of 32 degrees and if you are up North in Seattle it would be a tilt angle of 47 degrees. If you want to be very particular about it, a lower tilt angle will give you more power in the summer when the sun is higher...

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Installing Solar? Your State Might Require This Certification If You Want Incentives
Mar04

Installing Solar? Your State Might Require This Certification If You Want Incentives

When it comes to home solar installations, the number of certifications, acronyms, and obscure bills bombarding your research can be enough to cause the sort of migraine you might get from staring too long at the sun. But after slogging through all that work of shopping for the just the right panels, inverters, and a battery storage solution, it would be a shame to miss out on state rebates and incentives because you didn’t have someone involved on your project with this one, crucial, certification: North American Board of Certified Energy Practitioners (NABCEP) Founded in 2002 as a non-profit, this accreditation was established as an industry stamp of approval to let homeowners know which installers have the specialized knowledge and expertise to install a solar system correctly. The requirements to attain a NABCEP are so rigorous that it quickly became the industry gold standard. It wasn’t long before some states made it a preferred or mandatory for a contractor with this certification to be involved in solar systems installations to be eligible for incentive programs. “What most of these states are looking for is that person with a NABCEP-cert is engaged somewhere along the process to look at the equipment and say whether it’s legit or not,” explained Go Green Solar’s NABCEP Certified Senior Design Engineer Dave Donaldson. “If a state is going to pay you for the solar energy you’re generating they want to make sure it’s been installed or reviewed by someone that knows what they’re doing.” Go Green Solar’s NABCEP-certified Senior Engineer Dave Donaldson (purple shirt) directing city of Los Angeles workers how to mount the solar panel In Utah the NABCEP-certification is a prerequisite to qualify for a state solar contractor license and Austin, Texas won’t allow electricians to build a grid-tied system without it. Minnesota, Maine, and Wisconsin are among the states that require a NABCEP-certified professional to install PV solar systems to make it eligible for rebates. And still, other states including California, Massachusetts, and Delaware, take a less stringent approach “recommending” PV solar systems are installed by a professional with NABCEP certifications making permits and rebates much easier to attain. For its part, NABCEP does not encourage or discourage state regulatory efforts. The credentials, which much be renewed every three years, are voluntary and are intended to act a professional differentiator in the same way a realtor that sells houses is able to become a broker after passing his/her license exam. An opinion blog post published by NABCEP argues why the organization feels its certifications should not become mandatory as there might not be enough certified professionals in America to keep up...

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Is it safe to DIY solar?
Feb04

Is it safe to DIY solar?

Solar saves you money. Installing it yourself is a great way to save even more money. But that only works if you don’t end up with an emergency room bill because you weren’t careful. There is a reason that solar contractors pay higher workers’ compensation rates than any other construction trade. So let’s talk about the dangers and how to avoid them. First, let’s tackle the most obvious hazard which is falling. If you are installing your solar panels on a ground mount, you can skip this part but most solar installations are on a roof and therein lies the danger. The angle of the ladder is important, too steep of an angle and you can go over backwards when you are at the top of the ladder, too shallow of an angle and the ladder can slide out from under you. Before you get onto the roof, you should be aware of ladder safety.  The angle of the ladder is important, too steep of an angle and you can go over backwards when you are at the top of the ladder, too shallow of an angle and the ladder can slide out from under you. The way to get the right angle it to make sure the distance between the wall and the bottom of your ladder is 1/4 the height of the surface you are climbing to. For example, if the edge of your roof is 12 feet high, the bottom of your ladder should be 3 feet out from the wall. If the edge of your roof is 20 feet high, the ladder should be 5 feet from the wall. Once you have the ladder in the right place, you should tie it off. Once you have the ladder in the right place, the first time you climb it you should tie it off. If there isn’t already something to anchor it to, a big eye hook screwed firmly into a rafter in the eave will do it. Generally gutters aren’t sturdy enough so using them to hold the ladder will only give you a false sense of security which could be more dangerous than no tie off at all. Okay, now that we have you safely on the roof the best way to mitigate the risk of falling is a harness, rope and anchor set up. These can be a bit pricey, but your life is worth it. There are also safety concerns to address for getting things besides yourself on the roof. Climbing the ladder while carrying things is not the best idea, so let’s look at other options. Tools and smaller racking parts...

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Planning Your DIY Solar Installation
Jan15

Planning Your DIY Solar Installation

Whether you are a professional installer or a Do-It-Yourselfer, planning ahead is the key to a hassle-free solar installation. The planning should start with system sizing. Before you purchase your system, you should make sure it is the right size for your home. With a grid-tied system this means checking the estimated system output and comparing that to your electric bills. This process may be more complicated than it sounds, but if you start by calling Go Green Solar (866-798-4435), a knowledgeable solar consultant will help you with the calculations. Though the labor to install the solar equipment can be a DIY project, the generation of plans for a permit is NOT a DIY project. The National Electrical Code (NEC) has had numerous significant changes in the last few years. We keep track of which ones apply to your project. Go Green Solar offers a permitting service, that is mandatory.  If the building department has questions on the plans we generate, we will respond and revise the plans to meet their requirements. Solar Plan Set The plans will have the setbacks required for your local fire codes so you know how much roof area can be dedicated for solar and will show exactly where the solar panels will be so you can follow our layout when it is time to install. Keep in mind that you need to add the spaces between the panels in your measurements and that many solar racking types require 2” of rail past the last solar panel frame to support the end clamps. During the development of your plans, Go Green Solar will work with you to make sure that your main service panel can accommodate the system. NEC code section 705.12 limits how much solar can be installed based on the main service panel busbar rating and main breaker rating. The solar system will also need its own dedicated circuit breaker installed as far as possible from the main service breaker so you may have to move some loads or replace some of your breakers with slimmer ones to make room. Solar Conduit Run Another thing to plan ahead is your conduit run. The wires have to get from the solar panels to the ground level equipment. You can transition from the roof by running conduit through the attic, through the eave or around the eave. Each of these choices come with their own set of challenges. Going through the attic or eave will require flashing and weatherproofing that roof penetration. Running conduit around the eave can be awkward, especially considering that the NEC code only allows for 360 degrees of conduit bends between...

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The Go Green Solar Difference
Dec13

The Go Green Solar Difference

Everyone is selling the same solar equipment, but which distributor you choose can make a world of difference. If you have doubts about that, ask Tony Panos in Desert Haven, Texas. Tony could not find a contractor to quote a turn-key solar installation for him so he went the do-it-yourself route. Tony purchased his solar kit from Go Green Solar who was there to help him every step of the way. Go Green Solar prepared the permit documents that Tony used to pull the permit for his DIY project. Every time Tony had a question during his installation, he contacted Go Green Solar and got an answer right away. These things would have been enough to make Tony a happy customer, but it turned out that building his ground mount, racking his 45 solar panels and making the electrical hook-up to his home was the easy part. The real difficulty for Tony came after he had completed his installation and applied to his utility company, Rio Grande Electric Cooperative, for permission to operate his new grid-tied solar system. The co-op refused to grant permission unless Tony provided proof that he had a $500,000 commercial liability insurance policy for connecting his solar to their grid. Tony called several insurance agencies and because he did not own a business, none of them were able to provide him with a commercial policy that met the requirements. Tony tried to get help from the co-op. According to Tony, “Rio Grande Electric claimed they had other residential customers that installed solar and provided the required insurance, but they would not give me any info on what insurance companies they used. I literally had my system up for two months and could not use it.” This is where Go Green Solar stepped in to save the day. They worked directly with Rio Grande Electric and their own insurance company to solve the problem. In the end, Go Green Solar added the required insurance for Tony’s system to their own insurance policy and gave Tony the insurance certificate that satisfied Rio Grande. Tony was finally able to turn on the solar system he had worked so hard to install. Tony said it best, “I am extremely happy with Go Green Solar’s performance and I am so thankful I chose them. If I had bought my solar system from someone else, it would have been delivered with a message saying ‘good luck’ and that’s it. Dealing with the co-op was a huge headache and I don’t see how I could have accomplished it without Go Green Solar’s help. They really went above and beyond.” If you are...

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