EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Components of Basic and Diluted EPS

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, 2019		September 30, 2018		September 30, 2019		September 30, 2018
Net Income Attributable to Common Shareholders	$	318.9	$	289.4	$	659.0	$	801.7
Weighted Average Common Shares Outstanding:
Basic	324,037,169		317,360,110		320,442,253		317,367,252
Dilutive Effect of:
Share-Based Compensation Awards and Other	737,972		607,201		691,636		581,246
Equity Forward Sale Agreement	1,233,201		—		437,037		—
Total Dilutive Effect	1,971,173		607,201		1,128,673		581,246
Diluted	326,008,342		317,967,311		321,570,926		317,948,498
Basic EPS	$	0.98	$	0.91	$	2.06	$	2.53
Diluted EPS	$	0.98	$	0.91	$	2.05	$	2.52