National Park Solar System is Quiet and Low Cost

One of the largest remote hybrid solar energy systems in Washington State has been completed for the Mt. Rainier National Park, White River facility.

KINGSTON, New York, US, 2002-01-21 [] SunWize Technologies Inc says the 15.5 kW system provides power for employee housing, water pumping, a ranger station, an entrance station and tourist restrooms. The White River facility is used seasonally from April to October, with 250,000 visitors a year. The solar hybrid system replaces a generator-only system, and the solar PV will provide 85 percent of the electricity demand, reducing generator run-time from 3,500 to 150 hours per season. The previous engine generator system ran 24 hours a day, exposing the housing units to excessive noise. The system design is based on a load of 59 kWh/day. It consists of 15.5 kW of Siemens solar modules, covering 90 linear feet of the roof of the new garage building. It also includes a 20 kW, 208 VAC 3 phase inverter, an industrial flooded battery bank, and an on-demand propane generator. The inverter includes an integral real-time data acquisition system and remote control capability that allows SunWize technical staff to monitor and control key system operating parameters from their headquarters in Kingston, New York.
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