COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum future commitments related to purchase obligations

The following table shows our minimum future commitments related to these purchase obligations as of December 31, 2013, including those of our subsidiaries.



				Payments Due By Period
(Millions)	Date Contracts Extend Through	Total Amounts Committed		2014		2015		2016		2017		2018		Later Years
Natural gas utility supply and transportation	2028	$	845.9	$	181.2	$	169.6	$	158.4	$	122.0	$	71.7	$	143.0
Electric utility
Purchased power *	2029	772.3		80.6		32.8		28.8		27.6		27.0		575.5
Coal supply and transportation	2018	99.5		46.3		31.0		12.0		6.7		3.5		—
Nonregulated electricity and natural gas supply	2020	697.9		492.8		145.2		49.9		8.1		1.5		0.4
Total		$	2,415.6	$	800.9	$	378.6	$	249.1	$	164.4	$	103.7	$	718.9


*	Includes minimum future commitments for UPPCO related to power purchase contracts of $9.9 million for the years 2014 to 2023. In January 2014, we announced an agreement to sell UPPCO. See Note 29, Subsequent Event, for more information.

- Definition

Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value.

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