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Two Caterpillar C3508 engine-generators fueled with biogas are part of a combined heat and power system that helps the Gresham (Oregon) Wastewater Treatment Plant achieve net-zero energy. The units provide a combine 800 kW capacity.
Imagine a clean-water plant where previously vacant land is now occupied by solar panels. Where biogas is captured in a combined heat and power system. Where different power sources are dispatched at variable times of day to take best advantage of fuel and electricity...