MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation

The following is a summary of the available-for-sale debt 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, 2018									As of December 31, 2017
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	$	294.6	$	1.4	$	(2.6	)	$	293.4	$	284.9	$	3.2	$	(1.1	)	$	287.0

Investments Classified by Contractual Maturity Date

As of June 30, 2018, 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⁾	$	34.7	$	34.6
One to five years	47.5		47.8
Six to ten years	58.2		58.1
Greater than ten years	154.2		152.9
Total Debt Securities	$	294.6	$	293.4


⁽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, 2018		As of December 31, 2017
Level 1:
Mutual Funds and Equities	$	300.4	$	313.8
Money Market Funds	25.8		23.3
Total Level 1	$	326.2	$	337.1
Level 2:
U.S. Government Issued Debt Securities (Agency and Treasury)	$	77.9	$	70.2
Corporate Debt Securities	147.3		50.9
Asset-Backed Debt Securities	14.4		21.2
Municipal Bonds	16.3		110.7
Other Fixed Income Securities	11.7		10.7
Total Level 2	$	267.6	$	263.7
Total Marketable Securities	$	593.8	$	600.8