Biomass energy conversion is a broad field and includes many possible sources. These include garbage, wood chips, dead trees, tree branches, yard clippings, left-over crops, straw, stover, leaves, wood bark, sawdust, tires and livestock manure. These materials are typically converted to heat and electricity by burning or converted chemically to other forms of energy such as methane or cellulosic ethanol.

Toltec provides services the following services related to biomass energy systems: