The first thing you’ll notice about the new wastewater treatment plant in Delhi Charter Township, Mich. is a flock of sheep tending to the grass.
What is not so evident is that you’re also looking at the state’s first integrated biomass-to-energy system — a cogeneration plant that uses microturbines to make electricity from methane and uses the recovered heat in the digesters.
Located next to the state capital of Lansing, the township has been growing over the last 10 years. The old mesophilic digesters had reached their capacity, according to Allen Bryant, environmental coordinator. In 2007 the township decided to build a
