Jeff Birkby has been Program Manager for the National Center for Appropriate Technology (NCAT) for more than 25 years managing a variety of local sustainable agriculture and renewable energy projects. Birkby’s current NCAT work focuses on the interface between 21st Century urban agriculture and smart growth. Birkby has worked on a variety of geothermal direct use and power generation projects. He is the author of Geothermal Energy in Montana–A Consumers’ Guide, and has published popular travel guides to hot springs in Montana/Wyoming and Oregon/Washington.
Geothermal Combined Heat and Power