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v3.21.2

Madison Gas and Electric Company Consolidated Statements of Common Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | MGE [Member] | Common Stock [Member] | Common Stock [Member] MGE [Member] | Additional Paid-In Capital [Member] MGE [Member] | Retained Earnings [Member] MGE [Member] | Accumulated Other Comprehensive Income/(Loss) [Member] MGE [Member] | Noncontrolling Interest [Member] MGE [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance, shares at Dec. 31, 2019 |  |  | 34,668 | 17,348 |  |  |  |
Beginning balance, value at Dec. 31, 2019 |  | $ 777,589 |  | $ 17,348 | $ 222,917 | $ 397,021 | $ 0 | $ 140,303
Increase (Decrease) In Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net Income | $ 76,622 | 71,191 |  |  |  | 54,437 |  | 16,754
Capital contributions from parent |  | 30,000 |  |  | 30,000 |  |  |
Distributions to parent from noncontrolling interest |  | (16,000) |  |  |  |  |  | (16,000)
Ending balance, shares at Sep. 30, 2020 |  |  | 36,163 | 17,348 |  |  |  |
Ending balance, value at Sep. 30, 2020 |  | 862,780 |  | $ 17,348 | 252,917 | 451,458 | 0 | 141,057
Beginning balance, shares at Jun. 30, 2020 |  |  | 36,163 | 17,348 |  |  |  |
Beginning balance, value at Jun. 30, 2020 |  | 840,047 |  | $ 17,348 | 252,917 | 426,718 | 0 | 143,064
Increase (Decrease) In Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net Income | 31,794 | 30,233 |  |  |  | 24,740 |  | 5,493
Distributions to parent from noncontrolling interest |  | (7,500) |  |  |  |  |  | (7,500)
Ending balance, shares at Sep. 30, 2020 |  |  | 36,163 | 17,348 |  |  |  |
Ending balance, value at Sep. 30, 2020 |  | 862,780 |  | $ 17,348 | 252,917 | 451,458 | 0 | 141,057
Beginning balance, shares at Dec. 31, 2020 |  |  | 36,163 | 17,348 |  |  |  |
Beginning balance, value at Dec. 31, 2020 |  | 871,612 |  | $ 17,348 | 252,917 | 460,151 | 0 | 141,196
Increase (Decrease) In Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net Income | 92,701 | 87,529 |  |  |  | 70,774 |  | 16,755
Capital contributions from parent |  | 0 |  |  |  |  |  |
Distributions to parent from noncontrolling interest |  | (10,500) |  |  |  |  |  | (10,500)
Ending balance, shares at Sep. 30, 2021 |  |  | 36,163 | 17,348 |  |  |  |
Ending balance, value at Sep. 30, 2021 |  | 948,641 |  | $ 17,348 | 252,917 | 530,925 | 0 | 147,451
Beginning balance, shares at Jun. 30, 2021 |  |  | 36,163 | 17,348 |  |  |  |
Beginning balance, value at Jun. 30, 2021 |  | 918,640 |  | $ 17,348 | 252,917 | 503,551 | 0 | 144,824
Increase (Decrease) In Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net Income | $ 34,917 | 33,001 |  |  |  | 27,374 |  | 5,627
Distributions to parent from noncontrolling interest |  | (3,000) |  |  |  |  |  | (3,000)
Ending balance, shares at Sep. 30, 2021 |  |  | 36,163 | 17,348 |  |  |  |
Ending balance, value at Sep. 30, 2021 |  | $ 948,641 |  | $ 17,348 | $ 252,917 | $ 530,925 | $ 0 | $ 147,451

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