Defining a standard metric for electricity savings

Jonathan Koomey, Hashem Akbari, Carl Blumstein, Marilyn Brown, Richard Brown, Robert Budnitz, Chris Calwell, Sheryl Carter, Ralph Cavanagh, Audrey Chang, David Claridge, Paul Craig, Rick Diamond, Joseph H. Eto, William J. Fisk, William Fulkerson, Ashok Gadgil, Howard Geller, José Goldemberg, Chuck GoldmanDavid B. Goldstein, Steve Greenberg, David Hafemeister, Jeff Harris, Hal Harvey, Eric Heitz, Eric Hirst, Holmes Hummel, Dan Kammen, Henry Kelly, Skip Laitner, Mark Levine, Amory Lovins, Gil Masters, Pat McAuliffe, James E. McMahon, Alan Meier, Michael Messenger, John Millhone, Evan Mills, Steve Nadel, Bruce Nordman, Lynn Price, Joe Romm, Marc Ross, Michael Rufo, Jayant Sathaye, Lee Schipper, Stephen H. Schneider, Robert H. Socolow, James L. Sweeney, Malcolm Verdict, Alexandra Von Meier, Diana Vorsatz, Devra Wang, Carl Weinberg, Richard Wilk, John Wilson, Jane Woodward, Ernst Worrell

Research output: Contribution to conference typesPaperpeer-review

Abstract (may include machine translation)

The growing investment by governments and electric utilities in energy efficiency programs highlights the need for simple tools to help assess and explain the size of the potential resource. One technique that is commonly used in that effort is to characterize electricity savings in terms of avoided power plants, because it is easier for people to visualize a power plant than it is to understand an abstraction like billions of kilowatt-hours. Unfortunately, there is no standardization around the characteristics of such power plants. In this article we define parameters for a standard avoided power plant that have physical meaning and intuitive plausibility, for use in back-of-the-envelope calculations. For the prototypical plant this article settles on a 500-megawatt existing coal plant operating at a 70% capacity factor with 7% T&D losses. Displacing such a plant for one year would save 3 billion kWh/year at the meter and reduce emissions by 3 million metric tons of CO2 per year. The proposed name for this metric is the Rosenfeld, in keeping with the tradition among scientists of naming units in honor of the person most responsible for the discovery and widespread adoption of the underlying scientific principle in question - Dr. Arthur H. Rosenfeld.

Original languageEnglish
Pages26-43
Number of pages18
DOIs
StatePublished - 2011
EventPhysics of Sustainable Energy II: Using Energy Efficiently and Producing it Renewably - Berkeley, CA, United States
Duration: 5 Mar 20116 Mar 2011

Conference

ConferencePhysics of Sustainable Energy II: Using Energy Efficiently and Producing it Renewably
Country/TerritoryUnited States
CityBerkeley, CA
Period5/03/116/03/11

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