Interstate Power and Light, Iowa is a subsidiary of the Alliant Energy Corporation which serves more than 1.4 million gas and electric customers in the states of Wisconsin, Iowa and Minnesota [1, 2, 3].
According to , "system preparations began in the last quarter of 2007, and installation of meters began in April 2008 in the Beaver Dam, Wisconsin area. Completion of deployment throughout the remainder of the Wisconsin Power and Light Company (WPL) service territory is expected in mid 2010. Deployment of AMI in the Interstate Power and Light Company (IPL) territory is anticipated to begin in 2011 with a planned project completion in 2013". It is estimated the investment in advanced metering infrastructure is approximately $200 million for approximately 1.1 million electric customers and 400,000 gas customers in Wisconsin, Iowa, and Minnesota .
Alliant has partnered with Sensus Metering Systems for its FlexNet AMI (Advanced Metering Infrastructure) implementation and eMeter, Inc. for the EnergyIP meter data management system (MDM) [1, 2, 3]. The EnergyIP MDM system helps to capture energy usage data at 15 and 60 minute intervals from smart meters installed at customer locations .