Alliant Energy Corporation’s Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) subsidiary have current or previous ownership interest in 54 manufactured gas plant sites (40 for IPL and 14 for WPL).
These sites were previously associated…
Alliant Energy Corporation’s subsidiaries are subject to the U.S. Environmental Protection Agency’s coal ash impoundment assessments.
The EPA is collecting data through information requests and site assessments of utilities’ coal ash impoundments, including certain coal ash impoundments owned by Interstate Power…
Alliant Energy Corporation’s subsidiary, Wisconsin Power and Light Company (WPL), in October 2009, received from the Sierra Club a notice of intent to file a civil lawsuit based on allegations that major modifications were made at Nelson Dewey and Columbia…
Alliant Energy Corporation estimates that the range of remaining costs to be incurred for the investigation, remediation and monitoring of its manufactured gas plant sites is US$21 million to US$43 million.
Of the US$21 million, about US$16 million is for subsidiary…
Alliant Energy Corporation and subsidiary Wisconsin Power and Light Company, at March 31, 2009, had a US$1 million regulatory liability recorded on their Condensed Consolidated Balance Sheets for anticipated refunds to WPL’s retail customers equal to the retail portion of…
Alliant Energy Corporation’s subsidiary, Interstate Power and Light Company, recognized a regulatory liability of US$11.6 million at March 31, 2009 regarding the settlement of the Duane Arnold Energy Center (DAEC) Spend Nuclear Fuel Litigation.
In 2004, IPL, on behalf of itself…
Alliant Energy Corporation, at March 31, 2009, recorded US$33 million in current and non-current environmental liabilities for remaining costs to be incurred for manufactured gas plant sites.
At March 31, 2009, subsidiary Interstate Power and Light Company recorded US$27 million in…
Alliant Energy Corporation’s estimated range of remaining costs to be incurred for the investigation, remediation and monitoring of its manufactured gas plants (MGPs) sites is from US$25 million to US$48 million, the Company disclosed in its Quarterly Report for the…
Alliant Energy Corporation, in July 2008, was notified by the Environmental Protection Agency that it is a potentially responsible party with respect to environmental remediation at the Watertown Tire Fire facility in Watertown, Wis.
The notification alleges that the Company may…