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

12 Months Ended

Dec. 31, 2021

Organization Summary Of Significant Accounting Policies And Recent Developments [Abstract]

(g) Depreciation - Depreciation is computed by each regulated member of the Company utilizing a rate approved by the applicable regulatory authority. The accumulated provision for depreciation is charged with the cost of property retired, less salvage. The following table sets forth the range of depreciation rates for the major utility plant categories used to calculate depreciation for the years ended December 31, 2021, 2020 and 2019. 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%

Allowance for Funds Used During Construction Rates

(j) Allowance for Funds Used During Construction (AFUDC) - Middlesex and its regulated subsidiaries capitalize AFUDC, which represents the cost of financing projects during construction. AFUDC is added to the construction costs of individual projects exceeding specific cost and construction period thresholds established for each company and then depreciated with the utility plant direct costs over the underlying assets’ estimated useful life. AFUDC is calculated using each company’s weighted cost of debt and equity as approved in their most recent respective regulatory rate order. The AFUDC rates for the years ended December 31, 2021, 2020 and 2019 for Middlesex and Tidewater are as follows:

	2021	2020	2019
Middlesex	6.50%	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,
	2021			2020			2019
Regulated Tariff Sales
Residential	$	77,699		$	76,798		$	71,487
Commercial		16,715			15,448			15,198
Industrial		8,990			9,512			9,390
Fire Protection		12,608			12,374			12,291
Wholesale		14,590			15,187			14,319
Non-Regulated Contract Operations		12,391			12,130			11,773
Total Revenue from Contracts with Customers	$	142,993		$	141,449		$	134,458
Other Regulated Revenues		929			532			393
Other Non-Regulated Revenues		427			415			404
Inter-segment Elimination		(1,208	)		(804	)		(657	)
Total Revenue	$	143,141		$	141,592		$	134,598