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Revenue | 9 Months Ended
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Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Revenue | Revenue The following presents our operating revenues from external customers, in total and by amounts arising from contracts with customers and alternative revenue program (ARP) arrangements, disaggregated by revenue source and segment for the three and nine months ended September 30, 2025 and 2024:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) | 2025 |  | 2024 |  | 2025 |  | 2024
Operating Revenues |  |  |  |  |  |  |
Electric Segment |  |  |  |  |  |  |
Retail: Residential | $ | 32,106 |  |  | $ | 34,150 |  |  | $ | 104,939 |  |  | $ | 99,971 |
Retail: Commercial and Industrial | 77,507 |  |  | 74,602 |  |  | 244,105 |  |  | 225,827 |
Retail: Other | 2,029 |  |  | 2,050 |  |  | 6,100 |  |  | 5,875 |
Total Retail | 111,642 |  |  | 110,802 |  |  | 355,144 |  |  | 331,673 |
Transmission | 14,934 |  |  | 15,152 |  |  | 40,297 |  |  | 39,805 |
Wholesale | 10,379 |  |  | 3,139 |  |  | 16,418 |  |  | 8,273 |
Other | 1,642 |  |  | 1,287 |  |  | 5,189 |  |  | 4,945 |
Total Electric Segment | 138,597 |  |  | 130,380 |  |  | 417,048 |  |  | 384,696 |
Manufacturing Segment |  |  |  |  |  |  |
Metal Parts and Tooling | 67,649 |  |  | 69,904 |  |  | 207,868 |  |  | 245,972 |
Plastic Products and Tooling | 7,710 |  |  | 8,537 |  |  | 24,255 |  |  | 23,989 |
Scrap Metal | 1,592 |  |  | 1,455 |  |  | 5,240 |  |  | 6,000 |
Total Manufacturing Segment | 76,951 |  |  | 79,896 |  |  | 237,363 |  |  | 275,961 |
Plastics Segment |  |  |  |  |  |  |
PVC Pipe | 110,015 |  |  | 127,757 |  |  | 341,548 |  |  | 366,780 |
Total Operating Revenue | 325,563 |  |  | 338,033 |  |  | 995,959 |  |  | 1,027,437 |
Less: Non-contract Revenues Included Above |  |  |  |  |  |  |
Electric Segment - ARP Revenues | (323) |  |  | 647 |  |  | 305 |  |  | 413 |
Total Operating Revenues from Contracts with Customers | $ | 325,886 |  |  | $ | 337,386 |  |  | $ | 995,654 |  |  | $ | 1,027,024 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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