REGULATORY ACCOUNTING (Tables)

3 Months Ended

Mar. 31, 2024

Regulated Operations [Abstract]

Components of Regulatory Assets

The components of regulatory assets were as follows:

	As of March 31, 2024								As of December 31, 2023
(Millions of Dollars)	Eversource		CL&P		NSTAR Electric		PSNH		Eversource		CL&P		NSTAR Electric		PSNH
Storm Costs, Net	$	1,942.7	$	957.6	$	657.3	$	327.8	$	1,785.9	$	896.6	$	609.1	$	280.2
Regulatory Tracking Mechanisms	1,541.2		593.5		522.3		184.9		1,319.2		354.5		482.9		182.2
Benefit Costs	1,098.1		194.5		330.2		78.0		1,117.3		197.4		336.7		79.3
Income Taxes, Net	925.7		517.5		133.6		15.5		912.4		512.6		128.6		16.4
Securitized Stranded Costs	381.7		—		—		381.7		392.5		—		—		392.5
Goodwill-related	259.9		—		223.1		—		264.1		—		226.7		—
Asset Retirement Obligations	141.0		39.1		73.8		4.9		137.9		38.5		72.3		4.7
Derivative Liabilities	103.7		103.7		—		—		120.9		120.9		—		—
Other Regulatory Assets	334.8		21.8		100.6		6.8		339.0		22.7		101.6		8.0
Total Regulatory Assets	6,728.8		2,427.7		2,040.9		999.6		6,389.2		2,143.2		1,957.9		963.3
Less:  Current Portion	1,889.5		717.6		718.7		188.1		1,674.2		480.4		676.1		189.5
Total Long-Term Regulatory Assets	$	4,839.3	$	1,710.1	$	1,322.2	$	811.5	$	4,715.0	$	1,662.8	$	1,281.8	$	773.8

Components of Regulatory Liabilities

The components of regulatory liabilities were as follows:

	As of March 31, 2024								As of December 31, 2023
(Millions of Dollars)	Eversource		CL&P		NSTAR Electric		PSNH		Eversource		CL&P		NSTAR Electric		PSNH
EDIT due to Tax Cuts and Jobs Act of 2017	$	2,537.0	$	966.1	$	899.5	$	337.5	$	2,548.6	$	969.2	$	905.1	$	339.3
Regulatory Tracking Mechanisms	711.7		167.5		384.2		80.2		668.3		154.0		347.2		114.4
Cost of Removal	687.6		168.2		431.0		14.8		666.6		157.9		420.9		16.2
Deferred Portion of Non-Service Income    Components of Pension, SERP and PBOP	373.2		53.1		184.9		38.2		354.0		49.9		175.9		36.6
AFUDC - Transmission	135.5		58.5		77.0		—		124.3		56.1		68.2		—
Benefit Costs	44.8		0.5		18.0		—		51.0		0.6		22.2		—
Other Regulatory Liabilities	203.1		37.3		13.7		4.8		201.9		30.4		13.9		4.6
Total Regulatory Liabilities	4,692.9		1,451.2		2,008.3		475.5		4,614.7		1,418.1		1,953.4		511.1
Less:  Current Portion	641.5		117.3		405.2		86.1		591.8		102.2		368.1		117.5
Total Long-Term Regulatory Liabilities	$	4,051.4	$	1,333.9	$	1,603.1	$	389.4	$	4,022.9	$	1,315.9	$	1,585.3	$	393.6