In 2017 and 2018, EPA surveyed operators of anaerobic digestion (AD) facilities that accept food waste about their operations and requested information. In September 2018, EPA published the first report of the findings. In September 2019, EPA published the second report of findings. The reports, which are the first and second of three years of data collection, summarize data received from three types of AD facilities:
- Stand-alone food waste digesters;
- On-farm digesters that co-digest food waste; and
- Digesters at water resource recovery facilities (WRRFs) that co-digest food waste.
The reports include information about the processing capacity of AD facilities as well as the total food and non-food waste processed. They also include information about facility operations, pre-processing/de-packaging technologies, feedstock types and sources, biogas cleaning systems, biogas production/uses, and solid/liquid digestate uses.
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Anaerobic Digestion Facilities Processing Food Waste in the US in 2015 (PDF)(162 pp, 5 MB,
September 2018,
EPA/903/S-18/001)
This is the first EPA Report in a series of three on AD facilities processing food waste in the United States. Please be aware that on September 27, 2018, this report was updated to correct the reported overall biogas production amount for 2015. On September 27, 2019, this report was updated to correct the food waste capacity and food waste processed amounts.
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Anaerobic Digestion Facilities Processing Food Waste in the United States (2016) (PDF)(167 pp, 3 MB,
September 2019,
EPA/903/S-19/001)
This is the second EPA Report in a series of three on AD facilities processing food waste in the United States.