Holde, D.V. and Gregerson, J. 2002. The “Virtual Electric Utility” via Advanced Energy Control and Communications Systems: Backup Generation Offers a Surprisingly Large, Untapped Resource. Distributed Generation & Alternative Energy Journal. 17, 2 (Mar. 2002), 6–26. DOI:https://doi.org/10.13052/dgaej2156-3306.1721.