PREFERRED STOCK NOT SUBJECT TO MANDATORY REDEMPTION (Tables)

12 Months Ended

Dec. 31, 2017

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 and PSNH that were authorized and issued, as well as the respective per share par values:  

	Shares
	Par Value		Authorized as of December 31, 2017 and 2016	Issued as of December 31,
				2017	2016
Eversource	$	5	380,000,000	333,878,402	333,878,402
CL&P	$	10	24,500,000	6,035,205	6,035,205
NSTAR Electric	$	1	100,000,000	200	200
PSNH	$	1	100,000,000	301	301

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,		As of December 31,
Series				2017	2016	2017			2016
CL&P
$1.90	Series of 1947	$	52.50	163,912	163,912	$	8.2		$	8.2
$2.00	Series of 1947	$	54.00	336,088	336,088	16.8			16.8
$2.04	Series of 1949	$	52.00	100,000	100,000	5.0			5.0
$2.20	Series of 1949	$	52.50	200,000	200,000	10.0			10.0
3.90%	Series of 1949	$	50.50	160,000	160,000	8.0			8.0
$2.06	Series E of 1954	$	51.00	200,000	200,000	10.0			10.0
$2.09	Series F of 1955	$	51.00	100,000	100,000	5.0			5.0
4.50%	Series of 1956	$	50.75	104,000	104,000	5.2			5.2
4.96%	Series of 1958	$	50.50	100,000	100,000	5.0			5.0
4.50%	Series of 1963	$	50.50	160,000	160,000	8.0			8.0
5.28%	Series of 1967	$	51.43	200,000	200,000	10.0			10.0
$3.24	Series G of 1968	$	51.84	300,000	300,000	15.0			15.0
6.56%	Series of 1968	$	51.44	200,000	200,000	10.0			10.0
Total CL&P				2,324,000	2,324,000	$	116.2		$	116.2
NSTAR Electric
4.25%	Series of 1956	$	103.625	180,000	180,000	$	18.0		$	18.0
4.78%	Series of 1958	$	102.80	250,000	250,000	25.0			25.0
Total NSTAR Electric				430,000	430,000	$	43.0		$	43.0
Fair Value Adjustment due to Merger with NSTAR						(3.6		)	(3.6		)
Other
6.00%	Series of 1958	$	100.00	23	—	$	—		$	—
Total Eversource - Preferred Stock of Subsidiaries						$	155.6		$	155.6