Microturbines Fill Biogas Utilization Niche
The Sheboygan, Wisconsin treatment facility was an early adopter of biogas-fired microturbine technology, installing ten 30 kW Capstone microturbines in 2006 that produce about 4,500 kW/day. (Photo courtesy of Sheboygan WWTP)

Ability to meet stringent air quality emissions rules, “plug and play” interconnection and ease of maintenance
are among features attractive to digester operators at WWTPs.
Diane Greer
BioCycle August 2012, Vol. 53, No. 8, p. 54