Lockheed Ft. Bliss http://www.princetonpower.com/images/casestudies/pdfs/FortBliss_CaseStudy_September2015.pdf Princeton Power Systems provided its Energy Storage System (ESS) as a back-up source and energy resource for a new microgrid system at the U.S. Army’s Ft. Bliss in Texas. twitter linkedin Microgrids Energy Storage Frequency Regulation Other