At the end of 2011, the U.S. had an estimated 72,000 megawatts of potential demand response (DR) resources (9.2% of total U.S. peak demand). Clearly, DR programs have the ability to re-shape the energy landscape, if they can be deployed on a large-scale across the U.S. With an estimated DR participation rate of 7.2% in 2012, utilities have much room for improvement when it comes to demand reduction opportunities from DR. In this report, Zpryme analyzes customer DR participation trends from 2008 to 2011 and provides estimates for 2012 and 2013.

Demand Response Customer Participation Highlights

  • From 2008 to 2011, the number of customers in DR programs increased from 4.95 million to 9.35 million, a 98% increase. In 2011, 87% of DR customers were served by investor-owned utilities (IOUs).
  • From 2008 to 2011, the customer participation rate in DR programs increased from 3.5% to 6.5%.
  • In 2011, residential customers accounted for 94% (8.82 million) of all DR customers.
  • In 2011, Florida Power & Light had the most DR customers, with 828,768.
  • By 2013, Zpryme estimates that the total amount of DR customers will reach 11.12 million (7.7% DR participation rate).

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