Washington, DC, U.S.A. --- (METERING.COM) --- September 27, 2011 - As of September 2011, around 27 million smart meters had been installed in the U.S., the Institute for Electric Efficiency has estimated.

According to the IEE’s September 2011 update on deployments, Utility-Scale Smart Meter Deployments, Plans & Proposals, more than half of end-users in 20 states and in DC now have smart metering. These are Alabama, Arizona, California, Connecticut, Delaware, Florida, Georgia, Idaho, Maine, Maryland, Michigan, Nevada, Ohio, Oklahoma, Oregon, Philadelphia, Texas, Vermont, Virginia, and Wisconsin.

Based on planned deployments and proposals, the IEE estimates that by 2015 approximately 65 million smart meters will be deployed, representing 54% of U.S. households.