Allowance for Funds Used During Construction (Tables)

12 Months Ended

Dec. 31, 2014

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Allowance For Funds Used During Construction [Table Text Block]

NU	For the Years Ended December 31,
(Millions of Dollars, except percentages)	2014		2013		2012 (1)
Borrowed Funds	$	5.8	$	4.1	$	5.3
Equity Funds		13.7		7.1		6.8
Total AFUDC	$	19.5	$	11.2	$	12.1
Average AFUDC Rate		3.4%		2.7%		3.7%
(1) NSTAR amounts were included in NU beginning April 10, 2012.

	For the Years Ended December 31,
	2014								2013								2012
(Millions of Dollars,			NSTAR								NSTAR								NSTAR
except percentages)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Borrowed Funds	$	1.9	$	2.0	$	0.6	$	0.9	$	2.2	$	0.5	$	0.5	$	0.5	$	2.5	$	0.3	$	1.6	$	0.5
Equity Funds		2.9		3.8		0.6		1.7		2.9		-		0.2		1.0		1.9		-		1.9		1.0
Total AFUDC	$	4.8	$	5.8	$	1.2	$	2.6	$	5.1	$	0.5	$	0.7	$	1.5	$	4.4	$	0.3	$	3.5	$	1.5
Average AFUDC Rate		3.4%		2.5%		1.8%		5.6%		3.7%		0.5%		1.1%		6.1%		3.6%		0.4%		5.9%		6.8%