Asset Acquisition and Sale (Tables)

12 Months Ended

Dec. 31, 2011

Asset Acquisition and Sale [Abstract]

Allocation of Purchase Price for Acquisition of Generation Assets

The purchase price has been allocated as follows based on the estimated fair values of the assets acquired and the liabilities assumed at the date of acquisition, including working capital adjustments of approximately $0.2 million recorded in 2011 which were identified through examination of the plants' books and records:

(Thousands of Dollars)
Assets acquired
Inventory	$	3,791
Property, plant and equipment		735,959
Total assets acquired		739,750
Liabilities assumed
Accrued expenses		7,437
Total liabilities assumed		7,437
Net assets acquired	$	732,313