Energy Efficiency Plans, Operating Plans and Annual Reports

In January 2009, the Board adopted an electronic filing system (EFS) which allowed participants to electronically file documents for dockets. EFS does not contain documents or dockets filed prior to 2009 and you cannot view confidential documents through EFS. For more information or to search the IUB's electronic filing system please visit the Board’s Electronic Filing System web page.

The most recent Energy Efficiency Plans may be found by searching the Board's electronic filing system.

Prior Energy Efficiency Plans and associated documents are listed in the table below. Most of the links in the table below refer to compressed/zip files (.zip file). A purpose of a .zip file is to allow for download of many large-sized, related files as one smaller-sized file. It is recommended that you save the .zip file to your computer rather than open the file directly from the web page. To save a file, select "save" from the File Download dialog box when prompted or right-click on the link and select "Save Target As... ." Once the .zip file has been saved to your computer, you may extract the files contained in it.

DISCLAIMER: These compilations of documents (.zip files) are provided as a convenience. The files are for information only and are not intended as official records of the Agency.

Interstate Power & Light Company, an Alliant Energy Company

MidAmerican Energy Company

Black Hills Energy (formerly known as Aquila)

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