District Energy, 4th Quarter 2016, by Joseph C. Stagner.
http://www.districtenergy-digital.org/districtenergy/2016q4?sub_id=DOwgMT0rNL8TV&folio=19&pg=21#pg21

"In 1987 Stanford took a giant step forward in efficiency and environmental stewardship with the installation of a 50 MW natural gas-fired cogeneration plant to provide electricity, steam and chilled water for its campus. Three decades later, the Cardinal Cogeneration plant has been replaced by the new $468 million Stanford Energy System Innovations (SESI) project...."