| Assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Current Assets: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Cash and cash equivalents |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total cash and cash equivalents
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accounts receivable, less reserves |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total accounts receivable, less reserves
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Affiliate receivables |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other accounts receivables, less reserves |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total other accounts receivables, less reserves
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Unbilled revenues |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total unbilled revenues |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Materials and supplies, at average cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total materials and supplies, at average cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Fuel for electric generation, at average cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total fuel for electric generation, at average cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stored natural gas, at average cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total stored natural gas, at average cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Prepaid taxes |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total prepaid taxes |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Regulatory assets - current |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total regulatory assets - current |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other current assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total other current assets
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total Current Assets
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other long-term receivables |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Affiliate receivable long-term |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Regulatory assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total regulatory assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Pension benefit asset |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total pension benefit asset |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other deferred assets and other |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total other deferred assets and other
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Property, Plant, and Equipment: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Property, plant, and equipment, net |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total property, plant, and equipment, net |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Construction work in progress |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total construction work in progress |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total Property, Plant, and Equipment
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Investments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total investments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total Assets
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Liabilities and Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Current Liabilities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Long-term debt due within one year |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total long-term debt due within one year
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Short-term debt |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total short-term debt
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accounts payable |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total accounts payable
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accrued interest and taxes |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total accrued interest and taxes |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accrued payroll related items |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total accrued payroll related items |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Regulatory liabilities - current |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total regulatory liabilities - current |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Derivative liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total derivative liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other current liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total other current liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total Current Liabilities
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other Credits: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Deferred income taxes |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total deferred income taxes
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Investment tax credit - deferred |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total investment tax credit - deferred |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Regulatory liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total regulatory liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accrued pension and other postretirement benefits |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total accrued pension and other postretirement benefits |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Derivative liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total derivative liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Finance lease liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total finance lease liabilities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Asset retirement obligations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total asset retirement obligations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other deferred liabilities and other |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total other deferred liabilities and other
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total Other Credits
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Capitalization: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total common stock
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Additional paid-in capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total additional paid-in capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Retained earnings |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total retained earnings
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common shareholders equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total common shareholders equity
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Noncontrolling interest |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total Equity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Long-term debt |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total long-term debt
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total Capitalization |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Liabilities and Capitalization |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MGE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total Liabilities and Capitalization
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|