MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation

The following is a summary of available-for-sale securities, which are recorded at fair value and are included in current and long-term Marketable Securities on the balance sheets.



	As of June 30, 2017									As of December 31, 2016
Eversource (Millions of Dollars)	Amortized Cost		Pre-Tax Unrealized Gains		Pre-Tax Unrealized Losses			Fair Value		Amortized Cost		Pre-Tax Unrealized Gains		Pre-Tax Unrealized Losses			Fair Value
Debt Securities	$	290.3	$	4.7	$	(0.5	)	$	294.5	$	296.2	$	1.1	$	(2.1	)	$	295.2
Equity Securities	202.1		83.2		—			285.3		203.3		62.3		(1.2		)	264.4

Investments Classified by Contractual Maturity Date

As of June 30, 2017, the contractual maturities of available-for-sale debt securities were as follows:



Eversource (Millions of Dollars)	Amortized Cost		Fair Value
Less than one year⁽¹⁾	$	53.0	$	52.9
One to five years	52.6		53.4
Six to ten years	54.7		56.3
Greater than ten years	130.0		131.9
Total Debt Securities	$	290.3	$	294.5


⁽¹⁾	Amounts in the Less than one year category include securities in the CYAPC and YAEC nuclear decommissioning trusts, which are restricted and are classified in long-term Marketable Securities on the balance sheets.

Fair Value on a Recurring Basis

The following table presents the marketable securities recorded at fair value on a recurring basis by the level in which they are classified within the fair value hierarchy:



Eversource (Millions of Dollars)	As of June 30, 2017		As of December 31, 2016
Level 1:
Mutual Funds and Equities	$	285.3	$	274.0
Money Market Funds	29.7		54.8
Total Level 1	$	315.0	$	328.8
Level 2:
U.S. Government Issued Debt Securities (Agency and Treasury)	$	53.9	$	63.0
Corporate Debt Securities	67.8		41.1
Asset-Backed Debt Securities	18.6		18.5
Municipal Bonds	113.1		107.5
Other Fixed Income Securities	11.4		10.3
Total Level 2	$	264.8	$	240.4
Total Marketable Securities	$	579.8	$	569.2