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03/27/2013 ~ Keys Energy Services (KEYS) Wind Demonstration Project, located at its Cudjoe Key Electrical Substation on U.S. Highway 1 (MM 23, Oceanside), will mark its one-year anniversary on Saturday, March 30th. The Wind Demonstration Project was funded in part by a Clean Energy Grant KEYS was awarded from the State of Florida, made possible by the American Recovery and Reinvestment Act and the United States Department of Energy.

In order to determine if varying heights affected output, two turbines were installed at the Cudjoe site so that all other factors could be considered equal. One turbine is installed at a height of 63-feet from the ground to the tip of the highest blade. The second turbine is installed at a height of 35-feet from the ground to the tip of the highest blade. The diameter of each turbine from blade tip to blade tip is 12-feet.

Since its installation one-year ago, the turbine at 63-feet has generated over 2,200 kilowatt hours* (kwh) of energy. The turbine at 35-feet has generated over 640 kwh. The maximum output for each turbine is 2,400 watts and can be achieved at a wind speed of 29 miles-per-hour (mph). The minimum wind speed required for the turbines to rotate is eight mph, below this the turbines will not rotate.

Energy generated from the turbines helps to offset the energy used within the substation for cooling and lighting equipment. The system was not designed with a battery back-up for energy storage. Customers looking for real-time data on the output of the turbines should log on to

Construction of the Wind Demonstration Project cost $46,000 and KEYS worked with Florida Keys-based Sea, Air, Land Technologies (SALT) who furnished and installed the turbines per a competitive bid process.

*Kilowatt-Hour (kwh) Example, ten 100-watt light bulbs burning for one hour use one kwh.

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