MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2026

Investments, Debt and Equity Securities [Abstract]

Schedule 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 June 30, 2026								As of December 31, 2025
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	$	151.5	$	0.1	$	(1.6)	$	150.0	$	156.5	$	0.7	$	(1.8)	$	155.4

Schedule of Contractual Maturities of Available-for-Sale Debt Securities

As of June 30, 2026, the contractual maturities of available-for-sale debt securities were as follows:


Eversource (Millions of Dollars)	Amortized Cost		Fair Value
Less than one year	$	14.6	$	14.7
One to five years	39.3		39.4
Six to ten years	34.8		34.5
Greater than ten years	62.8		61.4
Total Debt Securities	$	151.5	$	150.0

Schedule of 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 June 30, 2026		As of December 31, 2025
Level 1:
Mutual Funds and Equities	$	173.3	$	165.3
Money Market Funds	11.9		14.0
Total Level 1	$	185.2	$	179.3
Level 2:
U.S. Government Issued Debt Securities (Agency and Treasury)	$	82.7	$	82.0
Corporate Debt Securities	41.5		37.9
Asset-Backed Debt Securities	5.5		6.4
Municipal Bonds	1.1		7.2
Other Fixed Income Securities	7.3		7.9
Total Level 2	$	138.1	$	141.4
Total Marketable Securities	$	323.3	$	320.7