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Select Balance Sheet Information (Tables)

6 Months Ended

Jun. 30, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Receivables

Receivables as of June 30, 2024 and December 31, 2023 are as follows:

(in thousands)			June 30, 2024						December 31, 2023
Receivables
Trade			$	164,098					$	129,257
Other			9,725						9,084
Unbilled Receivables			20,149						21,324
Total Receivables			193,972						159,665
Less: Allowance for Credit Losses			2,026						2,522
Receivables, net of allowance for credit losses			$	191,946					$	157,143

Schedule of Activity in Allowance for Credit Losses

The following is a summary of activity in the allowance for credit losses for the six months ended June 30, 2024 and 2023:

(in thousands)			2024						2023
Beginning Balance, January 1			$	2,522					$	1,648
Additions Charged to Expense			471						1,001
Reductions for Amounts Written Off, Net of Recoveries			(967)						(435)
Ending Balance, June 30			$	2,026					$	2,214

Schedule of Inventories

Inventories consist of the following as of June 30, 2024 and December 31, 2023:

(in thousands)			June 30, 2024						December 31, 2023
Raw Material, Fuel and Supplies			$	85,795					$	75,733
Work in Process			27,435						26,354
Finished Goods			48,557						47,614
Total Inventories			$	161,787					$	149,701

Schedule of Investments

The following is a summary of our investments as of June 30, 2024 and December 31, 2023:

(in thousands)			June 30, 2024						December 31, 2023
Short-term Investments
Government Debt Securities			$	469					$	—
Corporate Debt Securities			590						—
Total Short-term Investments			$	1,059					$	—
Long-term Investments
Corporate-Owned Life Insurance Policies			$	44,534					$	42,287
Government Debt Securities			58,749						7,724
Corporate Debt Securities			1,025						1,579
Money Market Funds			2,606						3,125
Mutual Funds			10,121						7,771
Other Investments			27						30
Total Long-term Investments			117,062						62,516
Total Investments			$	118,121					$	62,516

Schedule of Property, Plant and Equipment

Major classes of property, plant and equipment as of June 30, 2024 and December 31, 2023 include:

(in thousands)			June 30, 2024						December 31, 2023
Electric Plant
Electric Plant in Service			$	3,055,265					$	2,989,881
Construction Work in Progress			199,338						137,212
Total Gross Electric Plant			3,254,603						3,127,093
Less Accumulated Depreciation and Amortization			879,268						851,148
Net Electric Plant			2,375,335						2,275,945
Nonelectric Property, Plant and Equipment
Nonelectric Property, Plant and Equipment in Service			325,067						311,924
Construction Work in Progress			54,054						38,062
Total Gross Nonelectric Property, Plant and Equipment			379,121						349,986
Less Accumulated Depreciation and Amortization			215,615						207,556
Net Nonelectric Property, Plant and Equipment			163,506						142,430
Net Property, Plant and Equipment			$	2,538,841					$	2,418,375

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