EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 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 Years Ended December 31,
	2016		2015		2014
Net Income Attributable to Common Shareholders	$	942.3	$	878.5	$	819.5
Weighted Average Common Shares Outstanding:
Basic	317,650,180		317,336,881		316,136,748
Dilutive Effect	804,059		1,095,806		1,280,666
Diluted	318,454,239		318,432,687		317,417,414
Basic EPS	$	2.97	$	2.77	$	2.59
Diluted EPS	$	2.96	$	2.76	$	2.58