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Select Balance Sheet Information (Tables) | 9 Months Ended
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Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Receivables | Receivables as of September 30, 2023 and December 31, 2022 are as follows:
(in thousands) | September 30, 2023 |  | December 31, 2022
Receivables |  |  |
Trade | $ | 171,745 |  |  | $ | 112,126 |
Other | 7,738 |  |  | 9,983 |
Unbilled Receivables | 15,679 |  |  | 23,932 |
Total Receivables | 195,162 |  |  | 146,041 |
Less: Allowance for Credit Losses | 1,987 |  |  | 1,648 |
Receivables, net of allowance for credit losses | $ | 193,175 |  |  | $ | 144,393 |
Schedule of Activity in Allowance for Credit Losses | The following is a summary of activity in the allowance for credit losses for the nine months ended September 30, 2023 and 2022:
(in thousands) | 2023 |  | 2022
Beginning Balance, January 1 | $ | 1,648 |  |  | $ | 1,836 |
Additions Charged to Expense | 1,176 |  |  | 518 |
Reductions for Amounts Written Off, Net of Recoveries | (837) |  |  | (806) |
Ending Balance, September 30 | $ | 1,987 |  |  | $ | 1,548 |
Schedule of Inventories | Inventories consist of the following as of September 30, 2023 and December 31, 2022:
(in thousands) | September 30, 2023 |  | December 31, 2022
Raw Material, Fuel and Supplies | $ | 72,657 |  |  | $ | 70,374 |
Work in Process | 30,267 |  |  | 31,766 |
Finished Goods | 39,083 |  |  | 43,812 |
Total Inventories | $ | 142,007 |  |  | $ | 145,952 |
Schedule of Investments | The following is a summary of our investments as of September 30, 2023 and December 31, 2022:
(in thousands) | September 30, 2023 |  | December 31, 2022
Corporate-Owned Life Insurance Policies | $ | 39,794 |  |  | $ | 38,991 |
Corporate and Government Debt Securities | 8,986 |  |  | 8,761 |
Money Market Funds | 3,223 |  |  | 1,560 |
Mutual Funds | 7,289 |  |  | 5,503 |
Other Investments | 30 |  |  | 30 |
Total Investments | $ | 59,322 |  |  | $ | 54,845 |
Schedule of Property, Plant and Equipment | Major classes of property, plant and equipment as of September 30, 2023 and December 31, 2022 include:
(in thousands) | September 30, 2023 |  | December 31, 2022
Electric Plant |  |  |
Electric Plant in Service | $ | 3,009,031 |  |  | $ | 2,844,379 |
Construction Work in Progress | 129,810 |  |  | 113,932 |
Total Gross Electric Plant | 3,138,841 |  |  | 2,958,311 |
Less Accumulated Depreciation and Amortization | 889,136 |  |  | 859,988 |
Net Electric Plant | 2,249,705 |  |  | 2,098,323 |
Nonelectric Property, Plant and Equipment |  |  |
Nonelectric Property, Plant and Equipment in Service | 303,641 |  |  | 293,928 |
Construction Work in Progress | 39,885 |  |  | 15,170 |
Total Gross Nonelectric Property, Plant and Equipment | 343,526 |  |  | 309,098 |
Less Accumulated Depreciation and Amortization | 205,971 |  |  | 194,704 |
Net Nonelectric Property, Plant and Equipment | 137,555 |  |  | 114,394 |
Net Property, Plant and Equipment | $ | 2,387,260 |  |  | $ | 2,212,717 |

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