Roof-Mounted Solar Tracker in Maryland

We’ve mentioned solar-tracking but the systems are usually pictured on a pole in a big grassy yard.  This is a Dual-Panel Tracker by Maryland-based Advanced Technology & Research Corp. (ATR) on the roof of a row house in Federal Hill in Baltimore.  The install consists of two panels, 235-watts each, on a sun tracking mount with a GPS-controlled drive unit that follows the sun to yield about 30% more than fixed panels.

Nexus EnergyHomes, builder of NZE homes in Maryland, put the system on a homeowner’s house to get about a 20% reduction in the electrical bill.  Over time, the homeowner can add more and reach net-zero energy with roughly five DPTs.

Additionally, as it turns out, the homeowner is one of the engineers at ATR.  The company designed the home-unit DPT for easy installation on a pole or simple wooden post and this installation will be a good way to provide more documentation for the savings that can had with a roof-mounted solar tracker.

Credit: Nexus EnergyHomes.


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  • http://www.facebook.com/chinkeong.lam Chin Keong Lam

    Check out this great SlideShare presentation on LinkedIn titled compact Solar Robotic Tracker. Click on the link below to view the presentation.

    http://slidesha.re/AinO6i

    better trackers.

  • Sudarkinakate

    Energy houses are marvellous thing, last year I visited my sister in New York and she explained me all the pluses of such houses and the most important thing to me is that such things make no harm to nurture. http://www.ventrolla.co.uk/sash_windows/ 

  • http://www.i-d-systems.co.uk/ French Doors

    This is a great idea, especially with energy houses being more and more popular for the future. Particulary good for new build projects where there is investment interest in this type of technology.

  • jason_alonzo43@yahoo.com

    Great solar panel. This kind of device can add up tot the energy needs of houses and the nation as well.  sun room addition dallas

  • jason_alonzo43@yahoo.com

    Great solar panel. This kind of device can add up tot the energy needs of houses and the nation as well.  sun room addition dallas

  • jason_alonzo43@yahoo.com

    Great solar panel. This kind of device can add up tot the energy needs of houses and the nation as well.  sun room addition dallas

  • http://homeandgreenenergy.com/ Steve Heis

    I would like to see the results for other coordinates around the country. Can we say it is totally shade-proof? I’m trying to imagine it on a sloped roof. Great work anyway.

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