MARKETABLE SECURITIES (Tables)

9 Months Ended

Sep. 30, 2016

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 September 30, 2016									As of December 31, 2015
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	$	261.2	$	10.7	$	—		$	271.9	$	256.5	$	4.5	$	(0.6	)	$	260.4
Equity Securities	206.7		63.7		(1.0		)	269.4		215.3		59.2		(3.4		)	271.1

Investments Classified by Contractual Maturity Date

As of September 30, 2016, 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⁾	$	29.3	$	29.1
One to five years	58.0		59.1
Six to ten years	47.0		49.5
Greater than ten years	126.9		134.2
Total Debt Securities	$	261.2	$	271.9


(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 September 30, 2016		As of December 31, 2015
Level 1:
Mutual Funds and Equities	$	279.7	$	285.3
Money Market Funds	24.5		26.9
Total Level 1	$	304.2	$	312.2
Level 2:
U.S. Government Issued Debt Securities (Agency and Treasury)	$	65.5	$	46.6
Corporate Debt Securities	43.3		43.9
Asset-Backed Debt Securities	18.0		20.0
Municipal Bonds	110.3		111.4
Other Fixed Income Securities	10.3		11.6
Total Level 2	$	247.4	$	233.5
Total Marketable Securities	$	551.6	$	545.7