Environmental Developments Environmental Developments (Tables)

6 Months Ended

Jun. 30, 2013

Environmental Developments [Abstract]

The following table summarizes Midwest Generation's carrying value for the Midwest Generation plants at June 30, 2013:



(in millions)	June 30, 2013
Joliet Station¹	$	687
Powerton Station	810
Will County Station²	471
Fleet assets	66
Property, Plant and Equipment, net	$	2,034


¹	The Joliet Station is composed of Units 6, 7, and 8.


²	The Will County Station is composed of Units 3 and 4. Midwest Generation permanently shut down Will County Station Units 1 and 2, totaling 299 MW of capacity, on December 29, 2010 in accordance with the CPS.

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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