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v3.26.1

Revenue (Tables) | 6 Months Ended
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Jun. 30, 2026
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | Revenues disaggregated by revenue source were as follows:
|  | Three Months Ended |  |  | Six Months Ended |
(In thousands) |  | June 30, |  |  | June 30, |
Electric revenues |  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Residential |  | $ | 43,930 |  |  | $ | 43,182 |  |  | $ | 89,244 |  |  | $ | 88,321 |
Commercial |  |  | 65,618 |  |  |  | 64,027 |  |  |  | 127,037 |  |  |  | 124,662 |
Industrial |  |  | 3,274 |  |  |  | 3,117 |  |  |  | 6,122 |  |  |  | 6,081 |
Other-retail/municipal |  |  | 10,852 |  |  |  | 10,342 |  |  |  | 20,186 |  |  |  | 19,690 |
Total retail |  |  | 123,674 |  |  |  | 120,668 |  |  |  | 242,589 |  |  |  | 238,754 |
Sales to the market |  |  | 7,026 |  |  |  | 7,840 |  |  |  | 18,635 |  |  |  | 14,320 |
Other |  |  | 680 |  |  |  | 805 |  |  |  | 1,536 |  |  |  | 1,693 |
Total electric revenues |  |  | 131,380 |  |  |  | 129,313 |  |  |  | 262,760 |  |  |  | 254,767 |
Gas revenues |  |  |  |  |  |  |  |  |  |  |  |
Residential |  |  | 18,007 |  |  |  | 17,956 |  |  |  | 80,771 |  |  |  | 71,824 |
Commercial/Industrial |  |  | 9,859 |  |  |  | 10,434 |  |  |  | 55,364 |  |  |  | 47,547 |
Total retail |  |  | 27,866 |  |  |  | 28,390 |  |  |  | 136,135 |  |  |  | 119,371 |
Gas transportation |  |  | 1,555 |  |  |  | 1,384 |  |  |  | 4,322 |  |  |  | 3,697 |
Other |  |  | 180 |  |  |  | 151 |  |  |  | 407 |  |  |  | 338 |
Total gas revenues |  |  | 29,601 |  |  |  | 29,925 |  |  |  | 140,864 |  |  |  | 123,406 |
Non-regulated energy revenues |  |  | 214 |  |  |  | 214 |  |  |  | 274 |  |  |  | 249 |
Total Operating Revenue |  | $ | 161,195 |  |  | $ | 159,452 |  |  | $ | 403,898 |  |  | $ | 378,422 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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