PREFERRED STOCK NOT SUBJECT TO MANDATORY REDEMPTION (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Schedule of Preferred Stock

The following table sets forth the Eversource parent common shares and the shares of common stock of CL&P, NSTAR Electric, PSNH and WMECO that were authorized and issued, as well as the respective per share par values:  

			Shares
	Par Value		Authorized as of December 31, 2016 and 2015	Issued as of December 31,
				2016	2015
Eversource	$	5	380,000,000	333,878,402	333,862,615
CL&P	$	10	24,500,000	6,035,205	6,035,205
NSTAR Electric	$	1	100,000,000	100	100
PSNH	$	1	100,000,000	301	301
WMECO	$	25	1,072,471	434,653	434,653

As of December 31, 2016 and 2015, there were 16,992,594 and 16,671,366 Eversource common shares held as treasury shares, respectively.  As of December 31, 2016 and 2015, Eversource common shares outstanding were 316,885,808 and 317,191,249, respectively.

In 2016 and 2015, the Company repurchased 321,228 and 532,521 Eversource common shares, respectively, at a share price of $52.56 and $47.94, respectively.  Such shares are included in Treasury Stock on the consolidated balance sheets at their weighted average original average cost of $24.26 and $26.02 per share, respectively.

Details of preferred stock not subject to mandatory redemption are as follows (in millions, except in redemption price and shares):

		Redemption Price Per Share		Shares Outstanding as of December 31, 2016 and 2015	As of December 31,
Series					2016			2015
CL&P
$1.90	Series of 1947	$	52.50	163,912	$	8.2		$	8.2
$2.00	Series of 1947	$	54.00	336,088	16.8			16.8
$2.04	Series of 1949	$	52.00	100,000	5.0			5.0
$2.20	Series of 1949	$	52.50	200,000	10.0			10.0
3.90%	Series of 1949	$	50.50	160,000	8.0			8.0
$2.06	Series E of 1954	$	51.00	200,000	10.0			10.0
$2.09	Series F of 1955	$	51.00	100,000	5.0			5.0
4.50%	Series of 1956	$	50.75	104,000	5.2			5.2
4.96%	Series of 1958	$	50.50	100,000	5.0			5.0
4.50%	Series of 1963	$	50.50	160,000	8.0			8.0
5.28%	Series of 1967	$	51.43	200,000	10.0			10.0
$3.24	Series G of 1968	$	51.84	300,000	15.0			15.0
6.56%	Series of 1968	$	51.44	200,000	10.0			10.0
Total CL&P				2,324,000	$	116.2		$	116.2
NSTAR Electric
4.25%	Series of 1956	$	103.625	180,000	$	18.0		$	18.0
4.78%	Series of 1958	$	102.80	250,000	25.0			25.0
Total NSTAR Electric				430,000	$	43.0		$	43.0
Fair Value Adjustment due to Merger with NSTAR					(3.6		)	(3.6		)
Total Eversource - Preferred Stock of Subsidiaries					$	155.6		$	155.6