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Segment Information (Tables)
12 Months Ended
Dec. 31, 2022
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
Information for each segment and our unallocated corporate costs for the years ended December 31, 2022, 2021 and 2020 are as follows:
(in thousands)202220212020
Operating Revenue
Electric$549,699 $480,321 $446,088 
Manufacturing397,983 336,294 238,770 
Plastics512,527 380,229 205,249 
Total1,460,209 1,196,844 890,107 
Depreciation and Amortization
Electric72,050 71,343 63,171 
Manufacturing16,202 15,436 14,933 
Plastics4,205 4,354 3,604 
Corporate140 225 329 
Total92,597 91,358 82,037 
Operating Income (Loss)
Electric113,138 106,964 107,083 
Manufacturing29,065 24,114 16,103 
Plastics264,578 132,760 37,823 
Corporate(16,342)(14,130)(13,123)
Total390,439 249,708 147,886 
Interest Charges
Electric31,950 33,043 29,848 
Manufacturing2,796 2,239 2,215 
Plastics585 587 644 
Corporate685 1,902 1,740 
Total36,016 37,771 34,447 
Income Tax Expense (Benefit)
Electric5,065 1,663 12,480 
Manufacturing5,321 4,704 2,939 
Plastics68,688 34,374 9,718 
Corporate(5,723)(4,689)(4,931)
Total73,351 36,052 20,206 
Net Income (Loss)
Electric79,974 72,458 66,778 
Manufacturing20,950 17,186 11,048 
Plastics195,374 97,823 27,582 
Corporate(12,114)(10,698)(9,557)
Total284,184 176,769 95,851 
Capital Expenditures
Electric147,869 140,031 356,581 
Manufacturing17,954 20,690 10,587 
Plastics5,245 11,040 4,322 
Corporate66 68 63 
Total$171,134 $171,829 $371,553 
The following provides the identifiable assets by segment and corporate assets as of December 31, 2022 and 2021:
(in thousands)20222021
Identifiable Assets
Electric$2,351,961 $2,283,776 
Manufacturing245,869 251,044 
Plastics126,318 162,565 
Corporate177,513 57,445 
Total$2,901,661 $2,754,830