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IPL MATS Compliance Case

In August 2013, Indianapolis Power & Light Company (IPL) received IURC approval to install new pollution control equipment at its Petersburg generating station and Unit 7 of its Harding Street station, primarily to reduce mercury emissions. The utility also received approval to recover the construction costs through rates, with rate adjustments to be requested every six months.

In filings, IPL stated that it requested the plan to comply with the U.S. Environmental Protection Agency's (EPA's) Utility Mercury and Air Toxics Standard (MATS) rule. IPL estimated the compliance plan's capital costs at nearly $511 million, not including financing and demolition costs.

For all publicly filed documents in this case, including OUCC testimony, please visit the IURC's electronic document system and enter cause number 44242.