Category Archives: Good PV Design

SketchUp for solar- 3D modeling brings home the sun!

Site designs have been 2D for years, simple sketches that show where the solar array will be mounted to the house. That is normally effective and can give the general idea of what a solar system will look like installed … Continue reading

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Troubleshooting PV- for the Lazy (and frugal)!

“Happy MegaWatt Day” I didn’t realize it, but the solar system on our house recently produced one full Megawatt hour of electricity (1000 kwhs). I haven’t been tracking closely, but my friend has! I realized it when I got an … Continue reading

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Does Solar Energy make Financial Sense?

“Now, I know Solar Energy just doesn’t make financial sense yet…..” He told me that with a straight face and obviously believed it.       I thought about his perception of solar for a while- why do we still think solar is out … Continue reading

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MicroInverters on Steroids

Enphase is coming out with the next (3rd) generation of microinverter and we will have them for sale in July.   These new microinverters work with larger modules, are more efficient and will be coming in at about the same … Continue reading

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27.8 kW Photovoltaic system for Christmas!

We  just put the finishing touches on a commercial photovoltaic system here in Cumberland County, TN.  It is the largest Photovoltaic system in Cumberland county and it uses Enphase Microinverters. We have 124 modules (we used Sharp 224w) and we … Continue reading

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Posted in Good PV Design, Increase Energy Production of PV system, Micro-Inverters, PV Modules (Photovoltaic Panels), PV mounting systems | Tagged , | Comments Off

Will MY roof work for a PV solar system?

It depends on how much sun you have at your potential site! Of course each house is different, but here are some guidelines which will let you know if a photovoltaic system will work well on your house or business. … Continue reading

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Solar Decathalon 2009

These students from around the world did a great job using solar energy in their house designs. Some of them are unbelievable. Five of the teams (out of 20 total) used Enphase microinverters (in order to up the energy harvest … Continue reading

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TVA Green Power Switch Video (Commercial)

TVA talks with PV homeowners and business owners who have PV systems up in Middle Tennessee. (Some good looking systems!) Enjoy!

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How much Energy will this system produce?

Brilliant question. And one which requires a careful answer… It all depends! Some of the biggest confusion comes from Solar Installers overpromising on the energy production that a system will be able to produce. We want to be very careful … Continue reading

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Posted in DIY (is it a good idea?), Good PV Design, Increase Energy Production of PV system, Learning Solar, Micro-Inverters, PV Modules (Photovoltaic Panels) | Tagged , , , , , , , , | Leave a comment

MicroInverters vs. Central Inverters

Our Friends over at RenewableEnergyWorld.com have been putting out a solid podcast and one of their podcasts focuses on the advantages and disadvantages of microinverters vs. central inverters for photovoltaic systems. All of the contributors realize that micro-inverters have made … Continue reading

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Posted in AC Electricians and PV Installations, DIY (is it a good idea?), Good PV Design, Increase Energy Production of PV system, Learning Solar, Micro-Inverters | Tagged , , , , | Leave a comment