Thinking of a solar lease?

Are you thinking of entering into a lease agreement for solar? This article has some good points to consider.

Let us know when you are ready to buy!


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Building a solar tracker

Brief description of solar tracker assembly.

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Pleasant view

This is the view fromĀ one of our installations.IMG_4765

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Happy customers

One of the best things about installing solar is the happy customers. I love the look of joy on their faces when they start making their own power!


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Raised Beds

Check out our new video of a raised bed assembly.

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Face the Wind

We were recently called to look at a wind turbine that was not working properly. The tail was at a right angle to the blades, and it was not making power, since the turbine did not face the wind. The site was great for a turbine, at the top of a hill, with plenty of open area in all directions.


Wind turbine not working, crooked tower, loose cables

Turned out that the mast was not plumb, and as a result, the weight of the turbine caused the blades to always point down, no matter which way the wind was blowing. We got the site and started pulling on the guy wires, and once the tower was plumb, the tail straightened out, and the turbine started to make power.

It took us a bit, but we got the mast pretty straight, and the cables tightened. All of the cable clamps were loose, probably as a result of constant movement of the tower.


Recommendation: check your cables and clamps every six months!

Wind turbine fixed!

Wind turbine working properly

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Commercial Solar

We just participated in a training seminar with AllEarth Solar ( to learn about commercial-scale solar tracker installations. It was great, and we are looking for opportunities to expand our business in that direction. You can find out more here.tracker

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PV Production – Part 2

I have been looking at the production of three different PV systems – tracker, roof, and pole mounts. A roof mount is the least expensive option because the infrastructure for the mount is already in place. Pole-mounts are usually the next least-expensive option, since the mounting equipment is fairly simple to manufacture and install. The trackers are the most expensive, due to the complexity of the tracking system. However, these units produce significantly more power then either of the other two types of systems.

tracker1The graph shows the production of these types of systems since June 2014, normalized to account for differences in array size. As you can see, the trackers have produced around 44% more than a roof system, and 26% more than a pole mount. Winter production of the tracker is where these units out-perform the others.

If you would like more information about trackers, or any other type of renewable energy system, please contact us. We look forward to helping you!

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PV Production – tracker vs. fixed

Have you ever wondered about the benefit of a dual-axis tracker over a fixed array? Based on a comparison of two PV systems, the tracker is worth the additional cost, if you have the right conditions for installation of a tracker. Part of the increase in production shown in the graph is related to the way a tracker handles snow – it cleans itself off after a storm, whereas a fixed array (roof mount in this case) does not. Note that the tracker came online on June 5 late in the day.

PV ProductionAs you can see in the graph, the tracker out-performed the fixed array, especially in the winter when there was significant snow cover on the roof (January and February). While December 2014 was a bad month for PV by all measures, the tracker was able to produce more than double the amount of power than the fixed array. The average production of the tracker over a 10-month period is around 37% more than the fixed array.

If you are interested in more information about trackers, or PV in general, please contact us. We would love to help you.

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Happy New Year 2015!

We wish you all a happy and productive 2015.

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