1. Building the energy internet. The Economist. May 11, 2004.
2. Building the smart grid. The Economist. June 4, 2009.
3. Ecoalign. A day in the life of a customer in 2015: visualizing the Smart Grid. http://www.ecoalign.com/clients/videos . Accessed November 10, 2009.
4. Electric Power Research Institute. Report to the National Institute of Standards and Technology on the Smart Grid interoperability standards roadmap. 2009. p. 41.
5. Energy Information Administration. Annual Energy Review. 2008. p. 38.