Grid-Tied Solar Power System Whitman College Solar Installation in Walla Walla, WA Whitman College installed a 21kW photovoltaic solar array on the Bratton Tennis Center’s rooftop in an effort to reduce the center’s energy costs and promote renewable energy in the educational community. “The amount of energy produced by the photovoltaic panels, which will help offset energy costs, will depend on weather conditions,” said Jeff Donahue, construction project manager. “We are projecting a 20 percent reduction in power needed from the power company as a result of the solar panels, and the $3,150 production incentive we receive from the state will offset 54 percent of the building’s power costs annually.” This system was installed as part of Whitman’s desire to demonstrate its commit

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