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Select Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Receivables

Receivables as of March 31, 2022 and December 31, 2021 are as follows:

(in thousands)			March 31, 2022						December 31, 2021
Receivables
Trade			$	192,315					$	142,297
Other			8,139						10,591
Unbilled Receivables			20,229						23,901
Total Receivables			220,683						176,789
Less: Allowance for Credit Losses			(1,787)						(1,836)
Receivables, net of allowance for credit losses			$	218,896					$	174,953

Summary of Activity in Allowance for Credit Losses

The following is a summary of activity in the allowance for credit losses for the three months ended March 31, 2022 and 2021:

			March 31,						March 31,
(in thousands)			2022						2021
Beginning Balance, January 1			$	1,836					$	3,215
Additions Charged to Expense			210						211
Reductions for Amounts Written Off, Net of Recoveries			(259)						(443)
Ending Balance, March 31			$	1,787					$	2,983

Schedule of Inventories

Inventories consist of the following as of March 31, 2022 and December 31, 2021:

(in thousands)			March 31, 2022						December 31, 2021
Finished Goods			$	37,195					$	39,903
Work in Process			33,962						35,705
Raw Material, Fuel and Supplies			74,700						72,882
Total Inventories			$	145,857					$	148,490

Schedule of Investments

The following is a summary of our investments as of March 31, 2022 and December 31, 2021:

(in thousands)			March 31, 2022						December 31, 2021
Corporate-Owned Life Insurance Policies			$	40,722					$	41,078
Debt Securities			8,959						9,202
Money Market Funds			1,893						949
Mutual Funds			6,285						5,432
Other Investments			34						29
Total Investments			$	57,893					$	56,690

Schedule of Property, Plant and Equipment

Major classes of property, plant and equipment as of March 31, 2022 and December 31, 2021 include:

(in thousands)			March 31, 2022						December 31, 2021
Electric Plant
Electric Plant in Service			$	2,776,778					$	2,758,445
Construction Work in Progress			72,347						74,926
Total Gross Electric Plant			2,849,125						2,833,371
Less Accumulated Depreciation and Amortization			829,499						817,302
Net Electric Plant			2,019,626						2,016,069
Nonelectric Property, Plant and Equipment
Nonelectric Property, Plant and Equipment in Service			278,729						273,950
Construction Work in Progress			14,365						16,611
Total Gross Nonelectric Property, Plant and Equipment			293,094						290,561
Less Accumulated Depreciation and Amortization			184,376						182,025
Net Nonelectric Property, Plant and Equipment			108,718						108,536
Net Property, Plant and Equipment			$	2,128,344					$	2,124,605

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Tabular disclosure of allowance for credit loss on accounts receivable.

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