Long-Term Contractual Arrangements (Tables)

9 Months Ended

Sep. 30, 2013

Notes To Consolidated Financial Statements [Abstract]

Long-term Purchase Commitment [Table Text Block]

	October - December
(Millions of Dollars)	2013		2014		2015		2016		2017		Thereafter		Total
Yankee Billings
CL&P	$	0.4	$	1.5	$	1.3	$	0.8	$	0.8	$	13.1	$	17.9
NSTAR Electric		0.2		0.7		0.5		0.2		0.3		4.5		6.4
PSNH		0.1		0.3		0.4		0.3		0.3		5.2		6.6
WMECO		0.1		0.4		0.4		0.2		0.2		3.3		4.6
Renewable Energy
CL&P		1.2		49.9		50.9		51.4		52.0		626.0		831.4