Other Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Loss Contingencies By Contingency [Table Text Block]

	NU
	For the Years Ended December 31,
(Millions of Dollars)	2013		2014		Total
1st Complaint - Base ROE	$	23.7	$	1.2	$	24.9
2nd Complaint - Base ROE		-		27.4		27.4
Incentive ROE (1st and 2nd Complaint)		-		8.4		8.4
Cumulative Reserve	$	23.7	$	37.0	$	60.7
	CL&P						NSTAR Electric
	For the Years Ended December 31,						For the Years Ended December 31,
(Millions of Dollars)	2013		2014		Total		2013		2014		Total
1st Complaint - Base ROE	$	12.8	$	0.5	$	13.3	$	5.7	$	0.4	$	6.1
2nd Complaint - Base ROE		-		13.5		13.5		-		7.5		7.5
Incentive ROE (1st and 2nd Complaint)		-		6.7		6.7		-		-		-
Cumulative Reserve	$	12.8	$	20.7	$	33.5	$	5.7	$	7.9	$	13.6
	PSNH						WMECO
	For the Years Ended December 31,						For the Years Ended December 31,
(Millions of Dollars)	2013		2014		Total		2013		2014		Total
1st Complaint - Base ROE	$	2.3	$	0.1	$	2.4	$	2.9	$	0.2	$	3.1
2nd Complaint - Base ROE		-		2.7		2.7		-		3.7		3.7
Incentive ROE (1st and 2nd Complaint)		-		-		-		-		1.7		1.7
Cumulative Reserve	$	2.3	$	2.8	$	5.1	$	2.9	$	5.6	$	8.5