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Waste to Watts

Turning food waste into electricity

The commission, with the Street Department, diverts food waste from Purdue University and the West Lafayette community to the city's anaerobic digester. Electricity is generated from the process that powers the West Lafayette Water Resource Recovery Facility.



organizations in West Lafayette served

lbs of food waste collected in 2022

Where does my food waste go?

Infographic: Kitchen -> collection -> anaerobic digester -> electricity -> biosolids to farmers

What's the issue?

When food waste is sent to decompose in a landfill, the waste undergoes anaerobic (without oxygen) decomposition and releases methane, a potent greenhouse gas. According to the UN Food and Agriculture Organization, “landfill gas is responsible for 17 percent of US methane emissions.”  ​


How do I divert my food waste?

Extra resources

Looking for even more ways to be sustainable?

See our full resources list
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