Go Green! Gresham Goes Net Zero!
In 2015, Gresham's wastewater treatment plant reached energy net zero. The plant now produces more energy than it uses, saving the city an estimated $500,000 a year in electricity costs.
Fats, oils and grease are trucked to the plant from local food service establishments. The City collects a tipping fee for receiving and recycling this waste.
Biogas is fed into two powerful cogen engines that converts biogas into heat and electricity.
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