75% (500,000 tpy) turkey and chicken litter plus secondary vegetative biomass (150,000 tpy of mostly alfalfa stems), which would include materials such as alfalfa stems, oat hulls, distiller grains, corn stover, sugar beet residue, annual grasses, sunflower hulls, wood chips, and other similar agricultural or biomass materials. Fibrowatt website says "Located on a 77 acre site on the south side of Highway 12 two miles west of Benson." This is inaccurate according to their page of directions and aerial photos. Googlemaps as of 1/2012 is far out of date and doesn't show the facility.