MARKETABLE SECURITIES (Tables)

9 Months Ended

Sep. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Summary of Available-for-Sale Debt Securities

The following is a summary of available-for-sale debt securities, which are held in CYAPC’s and YAEC’s spent nuclear fuel trusts:

	As of September 30, 2024								As of December 31, 2023
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	$	176.9	$	1.1	$	(5.1)	$	172.9	$	169.5	$	1.4	$	(6.6)	$	164.3

Contractual Maturities of Available-for-Sale Debt Securities

As of September 30, 2024, the contractual maturities of available-for-sale debt securities were as follows:

 

Eversource (Millions of Dollars)	Amortized Cost		Fair Value
Less than one year	$	24.7	$	24.7
One to five years	33.7		33.9
Six to ten years	41.0		41.2
Greater than ten years	77.5		73.1
Total Debt Securities	$	176.9	$	172.9

Marketable Securities Recorded at Fair Value on a Recurring Basis by Level

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, 2024		As of December 31, 2023
Level 1:
Mutual Funds and Equities	$	170.3	$	176.9
Money Market Funds	21.5		13.7
Total Level 1	$	191.8	$	190.6
Level 2:
U.S. Government Issued Debt Securities (Agency and Treasury)	$	90.1	$	90.1
Corporate Debt Securities	35.9		34.0
Asset-Backed Debt Securities	8.2		5.6
Municipal Bonds	7.4		9.8
Other Fixed Income Securities	9.8		11.1
Total Level 2	$	151.4	$	150.6
Total Marketable Securities	$	343.2	$	341.2