Organization, Summary of Significant Accounting Policies and Recent Developments (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of depreciation rates

These rates have been approved by the NJBPU or DEPSC:

Source of Supply	1.15% -   3.44%	Transmission and Distribution (T&D):
Pumping	2.00% -   5.39%	T&D – Mains	1.10%  -   3.13%
Water Treatment	1.65% -   7.09%	T&D – Services	2.12%  -   3.16%
General Plant	2.08% - 17.84%	T&D – Other	1.61%  -   4.63%
Wastewater Collection	1.42% -   1.81%

Schedule of allowance for funds used during construction rates

The AFUDC rates for the years ended December 31, 2022, 2021 and 2020 for Middlesex and Tidewater are as follows:

	2022			2021			2020
Middlesex		6.35	%		6.50	%		6.50	%
Tidewater		7.92	%		7.92	%		7.92	%

Schedule of operating revenues

The Company’s operating revenues are comprised of the following:

	(In Thousands)
	Years Ended December 31,
	2022			2021			2020
Regulated Tariff Sales
Residential	$	84,950		$	77,699		$	76,798
Commercial		22,689			16,715			15,448
Industrial		11,152			8,990			9,512
Fire Protection		12,726			12,608			12,374
Wholesale		18,769			14,590			15,187
Non-Regulated Contract Operations		12,006			12,391			12,130
Total Revenue from Contracts with Customers	$	162,292		$	142,993		$	141,449
Other Regulated Revenues		831			929			532
Other Non-Regulated Revenues		440			427			415
Inter-segment Elimination		(1,129	)		(1,208	)		(804	)
Total Revenue	$	162,434		$	143,141		$	141,592