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Schedule I - Condensed Parent Company Finanical Statements (Details-Balance Sheet) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Current Assets: |  |  |  |  |
Cash and cash equivalents | $ 23,481,000 | $ 83,102,000 |  |  |
Other current assets | 10,233,000 | 8,593,000 |  |  |
Total Current Assets | 181,641,000 | 240,560,000 |  |  |
Other deferred assets and other |  |  |  |  |
Other deferred assets and other | 19,093,000 | 12,488,000 |  |  |
Investments: |  |  |  |  |
Other investments | 2,298,000 | 2,298,000 |  |  |
Total investments | 88,492,000 | 78,000,000 |  |  |
Total Assets | 2,081,664,000 | 1,988,618,000 | $ 1,855,182,000 | [1] |
Current Liabilities: |  |  |  |  |
Other current liabilities | 14,676,000 | 14,113,000 |  |  |
Total Current Liabilities | 128,820,000 | 120,628,000 |  |  |
Other Credits: |  |  |  |  |
Deferred income taxes | 243,302,000 | 231,952,000 |  |  |
Other deferred liabilities and other | 63,013,000 | 66,361,000 |  |  |
Total Other Credits | 573,427,000 | 558,003,000 |  |  |
Shareholders' Equity: |  |  |  |  |
Retained earnings | 504,740,000 | 465,708,000 |  |  |
Total Common Shareholders' Equity | 855,676,000 | 816,644,000 | $ 778,187,000 |  | $ 724,088,000
Commitments and contingencies (see Footnote 3) |  |  |  |  |
Total Liabilities and Capitalization | 2,081,664,000 | 1,988,618,000 |  |  |
MGE Energy [Member] |  |  |  |  |
Current Assets: |  |  |  |  |
Cash and cash equivalents | 17,182,000 | 75,036,000 |  |  |
Other current assets | 3,180,000 | 3,646,000 |  |  |
Total Current Assets | 20,362,000 | 78,682,000 |  |  |
Other deferred assets and other |  |  |  |  |
Other deferred assets and other | 498,000 | 110,000 |  |  |
Investments: |  |  |  |  |
Investments in affiliates | 856,444,000 | 763,625,000 |  |  |
Other investments | 12,910,000 | 7,672,000 |  |  |
Total investments | 869,354,000 | 771,297,000 |  |  |
Total Assets | 890,214,000 | 850,089,000 |  |  |
Current Liabilities: |  |  |  |  |
Accounts payable to affiliates | 530,000 | 617,000 |  |  |
Other current liabilities | 2,314,000 | 2,500,000 |  |  |
Total Current Liabilities | 2,844,000 | 3,117,000 |  |  |
Other Credits: |  |  |  |  |
Deferred income taxes | 29,006,000 | 27,151,000 |  |  |
Accounts payable to affiliates | 2,647,000 | 3,177,000 |  |  |
Other deferred liabilities and other | 41,000 | 0 |  |  |
Total Other Credits | 31,694,000 | 30,328,000 |  |  |
Shareholders' Equity: |  |  |  |  |
Common shareholders' equity | 350,936,000 | 350,936,000 |  |  |
Retained earnings | 504,740,000 | 465,708,000 |  |  |
Total Common Shareholders' Equity | 855,676,000 | 816,644,000 |  |  |
Commitments and contingencies (see Footnote 3) |  |  |  |  |
Total Liabilities and Capitalization | $ 890,214,000 | $ 850,089,000 |  |  |
[1] | In December 2017, there was a $20.4 million one-time tax impact as a result of the Tax Act.

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