New EPA Report: AD Facilities Processing Food Waste
The U.S. EPA released “Anaerobic Digestion Facilities Processing Food Waste in the United States (2016)”, the second in a series of three reports; it provides 2016 data. The first was released in 2018, reporting 2015 data. EPA was granted the authority to survey digesters annually for 3 years, from 2017–2019. Each report includes data for three types of AD facilities: Stand-alone food waste digesters; On-farm digesters that codigest food waste; and Digesters at water resource recovery facilities (WRRFs) that codigest food waste.
- Total processing capacity for food waste in all three digester types combined (reported in 2018) is about 24 million tons/year (based on 131 survey respondents).
- Total amount of non-food waste processed in all three digester types combined was about 492 million gallons or 103,952 tons (62 respondents).
- Total amount of biogas produced at digesters in 2016 was 40,304 standard cubic feet per minute (SCFM), equivalent to 126 megawatts (MW) installed capacity or 939 million kilowatt-hours (kWh) generated per year (119 respondents).
- Based on facilities returning surveys in 2018, 31 states have at least one operating digester. States with 10 or more confirmed operating digesters included California (30), Wisconsin (14) and Ohio (11).