EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the components of basic and diluted EPS:

Eversource (Millions of Dollars, except share information)	For the Three Months Ended				For the Nine Months Ended
	September 30, 2016		September 30, 2015		September 30, 2016		September 30, 2015
Net Income Attributable to Common Shareholders	$	265.3	$	235.9	$	713.1	$	696.7
Weighted Average Common Shares Outstanding:
Basic	317,787,836		317,452,212		317,696,823		317,296,107
Dilutive Effect	789,243		953,057		814,786		1,099,935
Diluted	318,577,079		318,405,269		318,511,609		318,396,042
Basic EPS	$	0.83	$	0.74	$	2.24	$	2.20
Diluted EPS	$	0.83	$	0.74	$	2.24	$	2.19