Provision for Uncollectible Accounts (Tables)

3 Months Ended

Mar. 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
(Millions of Dollars)	As of March 31, 2015		As of December 31, 2014		As of March 31, 2015		As of December 31, 2014
ES	$	187.4	$	175.3	$	92.3	$	91.5
CL&P		86.6		84.3		74.5		74.0
NSTAR Electric		43.8		40.7		-		-
PSNH		8.1		7.7		-		-
WMECO		10.7		9.9		6.5		6.2