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Before you buy a solar system, ask the installer these questions:

There’s only one reason I can think of why anybody would take on the serious safety and long-term production risks of having an inexperienced installation company, or one using a group of trainees, install their solar system. That reason is, they may not  know what to ask about, besides price. And when safety and structural integrity are on the line, cheaper isn’t better.

Most non-micro solar systems operate at very high DC current flow and voltages (some as high as 1000 volts DC). Adding batteries takes the installation to a whole other level of complexity. The design and safety issues involved are real and not, in my opinion, a good place for a class project or on-the-job training at the homeowner’s peril.

And while a master electrician license requires knowledge and experience, the license alone doesn’t make someone truly qualified to design and install solar systems. There’s lots more to it than what’s covered in the National Electric Code book or the master test. (I’m sure of that because we have two master electricians on our team, and I’m very familiar with every edition of the NEC Book published since 2005.)

That’s only one part of a solar installation project – and the reason most authorities having jurisdiction (AHJs) require a building permit as well as an electrical permit.

So in addition to pricing, licenses and components, you should also ask potential installers about track record, references from previous projects, solar experience and certifications.

Probably the best question you can ask is whether someone who’ll be working on your installation has earned North American Board of Certified Energy Practitioners certifications. Their PV (PhotoVoltaic) Technical Sales and PV Installer certifications are tough to get. That’s because NABCEP is the only organization that tests for and credentials every aspect of grid-tied, off-grid and battery backup solar installations – design, mechanical issues, electrical issues, optimized production issues, installation and maintenance. (Please don’t confuse this with NABCEP’s Associate certification, which is an entry-level program; Associates must work under a senior installer, hopefully with full NABCEP certification.) You can check which, if any, NABCEP certifications an installer holds here.

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Off-Grid Solar Making a Comeback

Not that many years ago, almost all of the solar systems being installed in the country were grid-tied or grid-interactive systems. Net metering was becoming common throughout the county, and many states were offering very generous incentives over and above the 30 percent federal incentive.

Only a few years ago, for example, the state of Pennsylvania provided a $2.25 per watt incentive that was gradually reduced to $.75 per watt until the funds ran out. It was a crazy time in solar land, with nearly every PA contractor with a work truck surfacing as a solar expert.

Many changes have occurred since then. Prices have dropped substantially – particularly solar module prices – and the new buzz in the industry is storage. Storage, defined as energy stored in battery banks to be used during power outages, or, in some cases such as in areas with multiple tiers of energy prices, to be used when grid prices are highest, most often in prime evening hours. Some systems call this load shaving.

Almost forgotten in all of the new systems and technologies buzz is the basic off-grid solar system. No net-metering. No load shaving or AC coupling. Just you and your solar system against the world. In many ways, this is the purest form of green living, and a surprising number of families are doing just that.
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A great AAAAAA-rated review on Angie’s list

Check out this glowing Angie’s List Review from a White Sulphur Springs, WV, customer on March 30, 2016:

Milestone Solar Consultants, owned and operated by Bill Anderson, did our install. We purposely waited 5 to 6 months before doing a review because new stuff always looks good in the beginning but what about months later? We wanted it before the winter set in and he made that happen. ALL his workers were polite, courteous and knowledgeable about what they were doing. We had the batteries and analyzers placed in our basement. There were no boxes, wiring or any trash left lying around anywhere. They even swept. They left my house better than they found it. Mr. Anderson promised a turnkey job and that’s exactly what we got. All the wiring from the outside mounting racks to the basement equipment looks like a piece of art. Their attention to even the smallest detail is second to none! Even though they are a 4½ hour drive fro us, anytime we called him Mr. Anderson made himself available to us and was ready to drive down immediately to address any concerns or issues we had even if they turned out to be unwarranted. This shows his dedication to what he is doing, and he will do whatever is needed to see both his solar system and his customer is always happy. We’ve already experienced 3 power outages with our Electric Company and didn’t even know it. The solar system’s batteries kicked in so efficiently and quickly that our digital clocks didn’t even start blinking. When the power comes back on the batteries switch back to standby without us having to do a thing. We also ran our home on just the solar system itself, going completely off the grid (in the winter) and ran everything easily for 4 or 5 days. Which is exactly what Mr. Anderson said it would do. He has the credentials and expertise to answer any questions you pose to him. None of that, “Well I don’t know. I will have to check on that question and get back to you.” Which we had with other big name solar installers. Milestone Solar came into our home as strangers and left as family. Any and ALL questions were answered by Mr. Anderson and his crew and there were a lot of them! And we know he will ALWAYS be just a phone call away if we have more questions or need him in any way. And that speaks volumes!! If you are looking to put in a Solar Array System, it would be to your advantage to have a quote from Milestone Solar. His prices can’t be beat ESPECIALLY when he uses ONLY top quality equipment and materials. We looked at many different systems from other companies but Milestone Solar stood out by miles…no pun intended 🙂