This two cell, plug flow digester system processes manure from
3000 Jersey cows. Northern Plains Dairy currently uses digester biogas
to fuel naturally aspirated Caterpillar 3406 engine-generators with an
output of 260kW and full heat recovery. With a bolt-on turbo upgrade,
the system will be capable of a 320kW output.
Digested solids are separated and stored in a compost facility for
future use. Solids are used for bedding and may also be sold for