Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2013

Notes To Consolidated Financial Statements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

H.	Supplemental Cash Flow Information
Non-cash investing activities include plant additions included in Accounts Payable as follows:
(Millions of Dollars)		As of June 30, 2013		As of June 30, 2012
NU		$	109.5	$	166.3
CL&P			28.3		45.1
NSTAR Electric			33.4		22.7
PSNH			15.5		25.7
WMECO			17.0		56.5