Provision for Uncollectible Accounts (Tables)

12 Months Ended

Dec. 31, 2015

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)	2015		2014		2015		2014
Eversource	$	190.7	$	175.3	$	118.5	$	91.5
CL&P		79.5		84.3		68.1		74.0
NSTAR Electric		52.6		40.7		25.3		-
PSNH		8.7		7.7		-		-
WMECO		14.0		9.9		7.4		6.2