Skyline SolarSkyline Solar has come up with a new take on the concentrated solar energy electricity generation idea. By using reflective troughs mounted on tracking devices, the solar array is able to follow the progress of the sun through the sky and harvest large quantities of sunlight in exactly the same way that concentrated solar thermal plants do. The main difference here is that the sunlight is focused onto highly effective solar cells that convert the sun's energy directly into electricity. Skyline calls the system High Gain Solar, or HGS.
Benefits Of HGSThe solar cells are located at the edges of the reflective troughs. This allows them to receive enough airflow to stay cool without the need for water or any other cooling substance. This is the biggest advantage of this system compared to other concentrated sunlight systems such as those built by Zenith Solar. This system also needs no water to drive a steam turbine as in traditional concentrating solar thermal plants. The lack of need for water makes this system far more suited to use in desert environments. The National Parks Service recently commented on the impact of water use in desert concentrating solar generators, a concern that is sure to become more significant as more solar plants are built in areas like the Nevada region. HGS systems are also likely to cost less than traditional solar panel or solar thermal systems because of the relatively small amount of solar cell material required for each trough. Operational ModelAt the time of writing, Skyline has an operational demonstration project in San Jose, California. The system provides power for a transportation maintenance facility in Santa Clara County, California. Skyline's FundingAt present Skyline has raised over $28 million through government grants and private backing. While the company is still in its infancy, the soundness of the idea may make it a long term winner. More InformationTo see the HGS plant in action and learn more about this company, visit the Skyline website.
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