BioCycle, July 2014, by Marsha W. Johnston.
http://www.biocycle.net/2014/07/16/symphony-of-the-microgrid-at-an-urban-university/

"The University of California San Diego’s microgrid produces 92 percent of its annual electricity load and 95 percent of its heating and cooling load. A fuel cell powered by directed biogas is a cornerstone of the operation."