Guarantees and Indemnifications (Tables)

3 Months Ended

Mar. 31, 2013

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Guarantee Obligations Text Block

		Maximum
		Exposure
Subsidiary	Description	(in millions)			Expiration Dates

Various	Surety Bonds	$	33.1		2013 - 2015 (1)

Various	NE Hydro Companies' Long-Term Debt	$	5.6		Unspecified

NUSCO and RRR	Lease Payments for Vehicles and Real Estate	$	19.2		2019 and 2024

NU Enterprises	Surety Bonds, Insurance Bonds and Performance Guarantees	$	67.8	(2)	(2)

- Definition

Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties.

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