Provision for Uncollectible Accounts (Tables)

12 Months Ended

Dec. 31, 2014

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Accounts Notes Loans And Financing Receivable Text Block

	Total Provision for Uncollectible Accounts				Uncollectible Hardship
	As of December 31,				As of December 31,
(Millions of Dollars)	2014		2013		2014		2013
NU	$	175.3	$	171.3	$	91.5	$	81.2
CL&P		84.3		82.0		74.0		67.3
NSTAR Electric		40.7		41.7		-		-
PSNH		7.7		7.4		-		-
WMECO		9.9		10.0		6.2		5.5