$MGEE
MGE ENERGY INC

2024 Q1 Form 10-K Financial Statement

#000095017024017706 Filed on February 21, 2024

View on sec.gov

Income Statement

Concept 2024 Q1 2023 Q4 2023
Revenue $191.3M $164.7M $690.4M
YoY Change -11.93% -13.26% -3.37%
Cost Of Revenue $51.32M $39.32M $147.9M
YoY Change -38.34% -37.58% -25.84%
Gross Profit $140.0M $125.3M $542.6M
YoY Change 4.47% -1.19% 5.33%
Gross Profit Margin 73.18% 76.12% 78.58%
Selling, General & Admin $3.165M
YoY Change 71.92%
% of Gross Profit 0.58%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $26.60M $25.35M $100.4M
YoY Change 8.08% 16.46% 17.3%
% of Gross Profit 19.0% 20.23% 18.5%
Operating Expenses $99.27M $101.2M $396.2M
YoY Change 5.62% 2.28% 4.98%
Operating Profit $40.75M $24.17M $146.4M
YoY Change 1.78% -13.48% 6.27%
Interest Expense -$5.282M -$4.857M -$19.91M
YoY Change -29.45% -30.23% -25.27%
% of Operating Profit -12.96% -20.1% -13.6%
Other Income/Expense, Net $3.881M $6.034M $29.55M
YoY Change -27.53% 12.91% 13.29%
Pretax Income $36.62M $25.35M $145.5M
YoY Change -3.38% -3.69% 6.07%
Income Tax $2.808M $5.263M $27.80M
% Of Pretax Income 7.67% 20.76% 19.11%
Net Earnings $33.81M $20.08M $117.7M
YoY Change 8.8% -4.6% 6.08%
Net Earnings / Revenue 17.67% 12.2% 17.05%
Basic Earnings Per Share $0.93 $3.25
Diluted Earnings Per Share $0.93 $0.56 $3.25
COMMON SHARES
Basic Shares Outstanding 36.17M 36.16M 36.16M
Diluted Shares Outstanding 36.19M 36.19M

Balance Sheet

Concept 2024 Q1 2023 Q4 2023
SHORT-TERM ASSETS
Cash & Short-Term Investments $16.69M $11.14M $11.14M
YoY Change 13.46% -4.0% -4.0%
Cash & Equivalents $16.69M $11.14M $11.14M
Short-Term Investments
Other Short-Term Assets $13.19M $15.59M $92.06M
YoY Change -4.83% -18.04% 1.41%
Inventory $69.68M $72.65M $72.65M
Prepaid Expenses
Receivables $45.34M $46.73M $46.73M
Other Receivables $9.687M $15.62M $15.62M
Total Short-Term Assets $221.7M $238.2M $238.2M
YoY Change -0.67% -2.17% -2.17%
LONG-TERM ASSETS
Property, Plant & Equipment $2.140B $2.128B $2.136B
YoY Change 7.15% 7.97% 7.93%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments $114.7M $86.50M $112.8M
YoY Change 6.46% 7.28% 6.55%
Other Assets $20.60M $20.74M $188.7M
YoY Change -10.43% -12.89% -0.07%
Total Long-Term Assets $2.452B $2.437B $2.437B
YoY Change 6.67% 7.17% 7.17%
TOTAL ASSETS
Total Short-Term Assets $221.7M $238.2M $238.2M
Total Long-Term Assets $2.452B $2.437B $2.437B
Total Assets $2.674B $2.675B $2.675B
YoY Change 6.02% 6.27% 6.27%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $41.59M $65.45M $65.45M
YoY Change 7.42% 10.31% 10.31%
Accrued Expenses $20.02M $25.26M $25.37M
YoY Change 22.32% 20.68% 20.44%
Deferred Revenue
YoY Change
Short-Term Debt $41.00M $38.00M $38.00M
YoY Change 24.24% -46.1% -46.1%
Long-Term Debt Due $5.180M $5.146M $6.318M
YoY Change -85.22% -90.53% -88.59%
Total Short-Term Liabilities $139.7M $157.2M $157.2M
YoY Change -4.35% -30.17% -30.17%
LONG-TERM LIABILITIES
Long-Term Debt $717.6M $718.8M $736.9M
YoY Change 9.93% 22.82% 22.33%
Other Long-Term Liabilities $60.07M $43.64M $362.3M
YoY Change -35.54% -55.0% 1.69%
Total Long-Term Liabilities $658.0M $659.4M $1.099B
YoY Change 5.28% 5.4% 14.66%
TOTAL LIABILITIES
Total Short-Term Liabilities $139.7M $157.2M $157.2M
Total Long-Term Liabilities $658.0M $659.4M $1.099B
Total Liabilities $797.6M $816.6M $1.535B
YoY Change 3.45% -4.01% 6.93%
SHAREHOLDERS EQUITY
Retained Earnings $707.2M
YoY Change 8.82%
Common Stock $36.16M
YoY Change 0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $1.159B $1.140B $1.140B
YoY Change
Total Liabilities & Shareholders Equity $2.674B $2.675B $2.675B
YoY Change 6.02% 6.27% 6.27%

Cashflow Statement

Concept 2024 Q1 2023 Q4 2023
OPERATING ACTIVITIES
Net Income $33.81M $20.08M $117.7M
YoY Change 8.8% -4.6% 6.08%
Depreciation, Depletion And Amortization $26.60M $25.35M $100.4M
YoY Change 8.08% 16.46% 17.3%
Cash From Operating Activities $65.82M $43.56M $237.6M
YoY Change 17.52% 360.82% 54.53%
INVESTING ACTIVITIES
Capital Expenditures $44.77M $71.77M $222.1M
YoY Change -5.86% 72.44% 26.88%
Acquisitions
YoY Change
Other Investing Activities $274.0K -$1.749M $954.0K
YoY Change -43.27% 34.02% -1462.86%
Cash From Investing Activities -$46.43M -$73.52M -$230.0M
YoY Change -6.33% 71.27% 27.69%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net $1.274M $54.31M
YoY Change -93.8% 1010.94%
Cash From Financing Activities -14.29M 28.82M -10.48M
YoY Change 199.29% -24.57% -141.04%
NET CHANGE
Cash From Operating Activities 65.82M 43.56M 237.6M
Cash From Investing Activities -46.43M -73.52M -230.0M
Cash From Financing Activities -14.29M 28.82M -10.48M
Net Change In Cash 5.101M -1.142M -2.942M
YoY Change 206.73% -124.13% 239.33%
FREE CASH FLOW
Cash From Operating Activities $65.82M $43.56M $237.6M
Capital Expenditures $44.77M $71.77M $222.1M
Free Cash Flow $21.04M -$28.21M $15.49M
YoY Change 149.13% -12.3% -172.74%

Facts In Submission

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237561000
CY2022 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
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CY2022 us-gaap Net Cash Provided By Used In Investing Activities
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CY2021 us-gaap Net Cash Provided By Used In Investing Activities
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CY2022 us-gaap Net Cash Provided By Used In Financing Activities
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CY2022Q4 us-gaap Prepaid Taxes
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CY2022Q4 us-gaap Other Assets Current
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CY2023Q4 us-gaap Assets Current
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CY2022Q4 us-gaap Assets Current
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CY2022Q4 us-gaap Other Assets Noncurrent
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24365000
CY2023Q4 mgee Property Plant And Equipment Net Before Construction In Progress
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CY2022Q4 mgee Property Plant And Equipment Net Before Construction In Progress
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1865352000
CY2023Q4 us-gaap Construction In Progress Gross
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110091000
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105748000
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2128212000
CY2022Q4 us-gaap Property Plant And Equipment Net
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1971100000
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CY2022Q4 us-gaap Investments
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CY2022Q4 us-gaap Assets
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2517600000
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54314000
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38000000
CY2022Q4 us-gaap Short Term Borrowings
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70500000
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65451000
CY2022Q4 us-gaap Accounts Payable Current
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59334000
CY2023Q4 mgee Accrued Interest And Taxes
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9372000
CY2022Q4 mgee Accrued Interest And Taxes
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7868000
CY2023Q4 us-gaap Employee Related Liabilities Current
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15888000
CY2022Q4 us-gaap Employee Related Liabilities Current
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13064000
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15296000
CY2022Q4 us-gaap Regulatory Liability Current
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11925000
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157156000
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225062000
CY2023Q4 us-gaap Deferred Income Tax Liabilities Net
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279029000
CY2022Q4 us-gaap Deferred Income Tax Liabilities Net
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252190000
CY2023Q4 us-gaap Accumulated Deferred Investment Tax Credit
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46892000
CY2022Q4 us-gaap Accumulated Deferred Investment Tax Credit
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48735000
CY2023 us-gaap Net Income Loss
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117699000
CY2023 us-gaap Common Stock Dividends Per Share Cash Paid
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1.67
CY2023 us-gaap Dividends Common Stock Cash
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1093000
CY2023Q4 us-gaap Stockholders Equity
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1140073000
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162316000
CY2022Q4 us-gaap Regulatory Liability Noncurrent
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156988000
CY2023Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
55058000
CY2022Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
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53607000
CY2023Q4 us-gaap Asset Retirement Obligations Noncurrent
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54430000
CY2022Q4 us-gaap Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
50260000
CY2023Q4 us-gaap Finance Lease Liability Noncurrent
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18039000
CY2022Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
17108000
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43643000
CY2022Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
46730000
CY2023Q4 us-gaap Liabilities Noncurrent
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659407000
CY2022Q4 us-gaap Liabilities Noncurrent
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625618000
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CY2023Q4 us-gaap Common Stock Par Or Stated Value Per Share
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1
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CY2023Q4 us-gaap Common Stock Shares Authorized
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36163000
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36163000
CY2023Q4 us-gaap Common Stock Shares Issued
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36163000
CY2023Q4 us-gaap Common Stock Shares Outstanding
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36163000
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CY2022Q4 us-gaap Common Stock Value
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CY2022Q4 us-gaap Additional Paid In Capital
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707160000
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
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649854000
CY2023Q4 us-gaap Stockholders Equity
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1140073000
CY2022Q4 us-gaap Stockholders Equity
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1081674000
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CY2022Q4 us-gaap Long Term Debt Noncurrent
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585246000
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1858895000
CY2022Q4 us-gaap Capitalization Longterm Debt And Equity
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1666920000
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2675458000
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2517600000
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CY2022 us-gaap Common Stock Dividends Per Share Cash Paid
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754000
CY2022Q4 us-gaap Stockholders Equity
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1081674000
CY2023 us-gaap Use Of Estimates
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<span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;">Use of Estimates - MGE Energy and MGE.</span><p style="margin-left:8.333%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;">In order to prepare consolidated financial statements in conformity with GAAP, management must make estimates and assumptions. These estimates could affect reported amounts of assets, liabilities, and disclosures at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from management's estimates.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p>
CY2023 mgee Cashcashequivalentsandrestrictedcashtabletextblock
Cashcashequivalentsandrestrictedcashtabletextblock
<p id="xbrl_ts_8dda2b4ccc4a402cb246a8f5fae8b592" style="margin-left:8.4%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;">The following table presents the components of total cash, cash equivalents, and restricted cash on the consolidated balance sheets.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p> <table style="margin-left:auto;border-spacing:0;table-layout:fixed;width:90.0%;border-collapse:separate;margin-right:auto;"> <tr style="visibility:collapse;"> <td style="width:49.778%;"></td> <td style="width:1.111%;"></td> <td style="width:1%;"></td> <td style="width:9.444999999999999%;"></td> <td style="width:1%;"></td> <td style="width:1.111%;"></td> <td style="width:1%;"></td> <td style="width:9.444999999999999%;"></td> <td style="width:1%;"></td> <td style="width:1.111%;"></td> <td style="width:1%;"></td> <td style="width:9.444999999999999%;"></td> <td style="width:1%;"></td> <td style="width:1.111%;"></td> <td style="width:1%;"></td> <td style="width:9.444999999999999%;"></td> <td style="width:1%;"></td> </tr> <tr style="height:9pt;background-color:#ffffff;word-break:break-word;white-space:pre-wrap;"> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;font-style:italic;min-width:fit-content;">(In thousands)</span></p></td> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td colspan="6" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">MGE Energy</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td colspan="6" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">MGE</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:9pt;background-color:#ffffff;word-break:break-word;white-space:pre-wrap;"> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-family:'Calibri',sans-serif;min-width:fit-content;">As of December 31,</span></p></td> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">2023</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">2022</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">2023</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td colspan="2" style="vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">2022</span></p></td> <td style="vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;text-align:left;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:9pt;background-color:#cff0fc;word-break:break-word;"> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">Cash and cash equivalents</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">11,140</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">11,604</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">2,819</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">4,136</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:9pt;background-color:#ffffff;word-break:break-word;"> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">Restricted cash</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">858</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">867</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">858</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">867</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:9pt;background-color:#cff0fc;word-break:break-word;"> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">Receivable - margin account</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">3,028</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">5,497</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">3,028</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:0.5pt solid #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">5,497</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:0.5pt solid #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> </tr> <tr style="height:9pt;background-color:#ffffff;word-break:break-word;"> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;">Cash, cash equivalents, and restricted cash</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:2.25pt double #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">15,026</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:2.25pt double #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">17,968</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:2.25pt double #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">6,705</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #000000;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;font-family:'Calibri',sans-serif;min-width:fit-content;">$</span></p></td> <td style="white-space:pre-wrap;vertical-align:bottom;border-bottom:2.25pt double #000000;text-align:center;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="font-size:9pt;font-family:'Calibri',sans-serif;color:#000000;white-space:pre-wrap;min-width:fit-content;">10,500</span></p></td> <td style="white-space:nowrap;vertical-align:bottom;border-bottom:2.25pt double #ffffff03;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="font-family:'Calibri',sans-serif;min-width:fit-content;"> </span></p></td> </tr> </table>
CY2023Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
11140000
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
11604000
CY2023Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
858000
CY2022Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
867000
CY2023Q4 us-gaap Margin Deposit Assets
MarginDepositAssets
3028000
CY2022Q4 us-gaap Margin Deposit Assets
MarginDepositAssets
5497000
CY2023Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
15026000
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
17968000
CY2023 mgee Margindepositassetspolicytextblock
Margindepositassetspolicytextblock
<p id="xbrl_ts_d9cd83d3327b4a16859099a4390a5fac" style="margin-left:1.733%;text-indent:6.784%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span id="xbrl_ts_4f65ee43c93c4d118be176c62ebd6305"></span><span id="xbrl_ts_43d13a0927e74786aace2c4656296604"></span><span id="xbrl_ts_27634abae072483e9ee7746892fb92a1"></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;font-style:italic;min-width:fit-content;">Receivable – Margin Account</span></p><p style="margin-left:8.4%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;">Cash amounts held by counterparties as margin collateral for certain financial transactions are recorded as Receivable – margin account in "Other current assets" on the consolidated balance sheets. The costs being hedged are fuel for electric generation, purchased power, and cost of gas sold.</span></p>
CY2023Q4 mgee Accounts Receivable Late Payment Charge On Unpaid Receivables
AccountsReceivableLatePaymentChargeOnUnpaidReceivables
0.01
CY2023Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
8100000
CY2022Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
8400000
CY2023 us-gaap Allowance For Doubtful Accounts Receivable Write Offs
AllowanceForDoubtfulAccountsReceivableWriteOffs
3600000
CY2022 us-gaap Allowance For Doubtful Accounts Receivable Write Offs
AllowanceForDoubtfulAccountsReceivableWriteOffs
3800000
CY2023 us-gaap Allowance For Doubtful Accounts Receivable Period Increase Decrease
AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
3300000
CY2022 us-gaap Allowance For Doubtful Accounts Receivable Period Increase Decrease
AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
3900000
CY2023 us-gaap Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
2000000
CY2022 us-gaap Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
1100000
CY2021 us-gaap Public Utilities Allowance For Funds Used During Construction Additions
PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions
1700000
CY2023 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
5800000
CY2022 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
3000000
CY2021 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
5000000
CY2023Q4 us-gaap Capitalized Computer Software Net
CapitalizedComputerSoftwareNet
77200000
CY2022Q4 us-gaap Capitalized Computer Software Net
CapitalizedComputerSoftwareNet
76200000
CY2023Q4 us-gaap Capitalized Computer Software Accumulated Amortization
CapitalizedComputerSoftwareAccumulatedAmortization
63900000
CY2022Q4 us-gaap Capitalized Computer Software Accumulated Amortization
CapitalizedComputerSoftwareAccumulatedAmortization
53400000
CY2023 us-gaap Capitalized Computer Software Amortization1
CapitalizedComputerSoftwareAmortization1
10400000
CY2022 us-gaap Capitalized Computer Software Amortization1
CapitalizedComputerSoftwareAmortization1
10800000
CY2021 us-gaap Capitalized Computer Software Amortization1
CapitalizedComputerSoftwareAmortization1
5700000
CY2023Q4 mgee Capitalized Computer Software Hosting Agreement Net
CapitalizedComputerSoftwareHostingAgreementNet
10700000
CY2022Q4 mgee Capitalized Computer Software Hosting Agreement Net
CapitalizedComputerSoftwareHostingAgreementNet
12900000
CY2023Q4 mgee Capitalized Computer Software Hosting Agreement Accumulated Amortization
CapitalizedComputerSoftwareHostingAgreementAccumulatedAmortization
11400000
CY2022Q4 mgee Capitalized Computer Software Hosting Agreement Accumulated Amortization
CapitalizedComputerSoftwareHostingAgreementAccumulatedAmortization
8500000
CY2023 mgee Capitalized Computer Software Hosting Agreement Amortization
CapitalizedComputerSoftwareHostingAgreementAmortization
2900000
CY2022 mgee Capitalized Computer Software Hosting Agreement Amortization
CapitalizedComputerSoftwareHostingAgreementAmortization
3100000
CY2022Q4 mgee Lease Liability
LeaseLiability
26198000
CY2021 mgee Capitalized Computer Software Hosting Agreement Amortization
CapitalizedComputerSoftwareHostingAgreementAmortization
2200000
CY2023 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
0
CY2022 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
0
CY2021 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
0
CY2023 mgee License Fee Tax Rate Electric Retail Sales
LicenseFeeTaxRateElectricRetailSales
0.0319
CY2023 mgee License Fee Tax Rate Electric Resale By Purchaser
LicenseFeeTaxRateElectricResaleByPurchaser
0.0159
CY2023 mgee License Fee Tax Rate Natural Gas
LicenseFeeTaxRateNaturalGas
0.0097
CY2023 us-gaap Excise And Sales Taxes
ExciseAndSalesTaxes
16500000
CY2022 us-gaap Excise And Sales Taxes
ExciseAndSalesTaxes
14700000
CY2021 us-gaap Excise And Sales Taxes
ExciseAndSalesTaxes
13500000
CY2023Q4 us-gaap Public Utilities Property Plant And Equipment Present Value Of Regulated Asset For Plant Abandonment
PublicUtilitiesPropertyPlantAndEquipmentPresentValueOfRegulatedAssetForPlantAbandonment
133268000
CY2022Q4 us-gaap Public Utilities Property Plant And Equipment Present Value Of Regulated Asset For Plant Abandonment
PublicUtilitiesPropertyPlantAndEquipmentPresentValueOfRegulatedAssetForPlantAbandonment
147659000
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
2128212000
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
1971100000
CY2023 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
1588000
CY2022 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
1633000
CY2023 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
556000
CY2022 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
752000
CY2023 us-gaap Operating Lease Cost
OperatingLeaseCost
465000
CY2022 us-gaap Operating Lease Cost
OperatingLeaseCost
541000
CY2023 us-gaap Lease Cost
LeaseCost
2609000
CY2022 us-gaap Lease Cost
LeaseCost
2926000
CY2023Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
15439000
CY2022Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
14756000
CY2023Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
7557000
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
7786000
CY2023Q4 mgee Lease Right Of Use Asset
LeaseRightOfUseAsset
22996000
CY2022Q4 mgee Lease Right Of Use Asset
LeaseRightOfUseAsset
22542000
CY2023Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
1172000
CY2022Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
1039000
CY2023Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
18039000
CY2022Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
17108000
CY2023Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
114000
CY2022Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
136000
CY2023Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
7801000
CY2022Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
7915000
CY2023Q4 mgee Lease Liability
LeaseLiability
27126000
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Five
FinanceLeaseLiabilityPaymentsDueYearFive
710000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
309000
CY2023Q4 us-gaap Finance Lease Liability Payments Due After Year Five
FinanceLeaseLiabilityPaymentsDueAfterYearFive
39124000
CY2023 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
1322000
CY2022 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
1304000
CY2023 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
822000
CY2022 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
752000
CY2023 us-gaap Operating Lease Payments
OperatingLeasePayments
372000
CY2022 us-gaap Operating Lease Payments
OperatingLeasePayments
442000
CY2023 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
2385000
CY2022 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
1094000
CY2023 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
0
CY2022 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
126000
CY2023Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P36Y
CY2022Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P38Y
CY2023Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P33Y
CY2022Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P34Y
CY2023Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.0444
CY2022Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.0434
CY2023Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.0308
CY2022Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.0307
CY2023Q4 us-gaap Finance Lease Liability Payments Due Next Twelve Months
FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
1989000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
347000
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Two
FinanceLeaseLiabilityPaymentsDueYearTwo
1732000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
294000
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Three
FinanceLeaseLiabilityPaymentsDueYearThree
1417000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
299000
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Four
FinanceLeaseLiabilityPaymentsDueYearFour
1231000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
304000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
11521000
CY2023Q4 us-gaap Finance Lease Liability Payments Due
FinanceLeaseLiabilityPaymentsDue
46203000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
13074000
CY2023Q4 us-gaap Finance Lease Liability Undiscounted Excess Amount
FinanceLeaseLiabilityUndiscountedExcessAmount
26992000
CY2023Q4 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
5159000
CY2023Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
19211000
CY2023Q4 mgee Operating Lease Liability Current And Noncurrent
OperatingLeaseLiabilityCurrentAndNoncurrent
7915000
CY2023Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
1172000
CY2023Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
114000
CY2023Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
18039000
CY2023Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
7801000
CY2023Q4 us-gaap Equity Securities Fv Ni And Without Readily Determinable Fair Value
EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue
24027000
CY2022Q4 us-gaap Equity Securities Fv Ni And Without Readily Determinable Fair Value
EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue
22960000
CY2023Q4 us-gaap Equity Method Investments
EquityMethodInvestments
86498000
CY2022Q4 us-gaap Equity Method Investments
EquityMethodInvestments
80625000
CY2023Q4 us-gaap Other Investments
OtherInvestments
2298000
CY2022Q4 us-gaap Other Investments
OtherInvestments
2298000
CY2023Q4 us-gaap Investments
Investments
112823000
CY2022Q4 us-gaap Investments
Investments
105883000
CY2023 us-gaap Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
995000
CY2022 us-gaap Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
924000
CY2021 us-gaap Proceeds From Sale And Maturity Of Marketable Securities
ProceedsFromSaleAndMaturityOfMarketableSecurities
1684000
CY2023 us-gaap Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
-899000
CY2022 us-gaap Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
1382000
CY2021 us-gaap Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
1543000
CY2023Q4 us-gaap Regulatory Assets
RegulatoryAssets
102568000
CY2022Q4 us-gaap Regulatory Assets
RegulatoryAssets
113441000
CY2023Q4 us-gaap Regulatory Liabilities
RegulatoryLiabilities
177612000
CY2022Q4 us-gaap Regulatory Liabilities
RegulatoryLiabilities
168913000
CY2019 mgee Public Utilities Return Of Fuel Rules Credit
PublicUtilitiesReturnOfFuelRulesCredit
-1500000
CY2020 mgee Public Utilities Return Of Fuel Rules Credit
PublicUtilitiesReturnOfFuelRulesCredit
-3200000
CY2021 mgee Public Utilities Return Of Fuel Rules Credit
PublicUtilitiesReturnOfFuelRulesCredit
3300000
CY2022Q4 mgee Deferredfuelrulesmonitoredcosts
Deferredfuelrulesmonitoredcosts
8800000
CY2023Q4 mgee Deferredfuelrulesmonitoredcosts
Deferredfuelrulesmonitoredcosts
-7200000
CY2023 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
1864000
CY2022 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
2102000
CY2021 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
-2589000
CY2023 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
4637000
CY2022 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
2385000
CY2021 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
3002000
CY2023 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
16317000
CY2022 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
14770000
CY2021 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-1473000
CY2023 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
6683000
CY2022 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
8665000
CY2021 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
6310000
CY2023 us-gaap Investment Tax Credit
InvestmentTaxCredit
1698000
CY2022 us-gaap Investment Tax Credit
InvestmentTaxCredit
1698000
CY2021 us-gaap Investment Tax Credit
InvestmentTaxCredit
1135000
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
27803000
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
26224000
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
4115000
CY2023 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2022 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2021 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2023 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.062
CY2022 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.062
CY2021 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.062
CY2023 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
0.007
CY2022 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
0.007
CY2021 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
0.015
CY2023 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.053
CY2022 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.054
CY2021 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.06
CY2023 us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.006
CY2022 us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.003
CY2021 us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.009
CY2023 us-gaap Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
0.015
CY2022 us-gaap Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
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0.02
CY2021 us-gaap Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
0.148
CY2023 us-gaap Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent
0
CY2022 us-gaap Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent
-0.003
CY2021 us-gaap Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent
0.003
CY2023 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.191
CY2022 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.191
CY2021 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.037
CY2023Q4 us-gaap Deferred Tax Assets Equity Method Investments
DeferredTaxAssetsEquityMethodInvestments
19287000
CY2022Q4 us-gaap Deferred Tax Assets Equity Method Investments
DeferredTaxAssetsEquityMethodInvestments
20098000
CY2023Q4 us-gaap Tax Credit Carryforward Amount
TaxCreditCarryforwardAmount
43281000
CY2022Q4 us-gaap Tax Credit Carryforward Amount
TaxCreditCarryforwardAmount
46282000
CY2023Q4 mgee Deferred Tax Assets Accrued Expenses
DeferredTaxAssetsAccruedExpenses
10408000
CY2022Q4 mgee Deferred Tax Assets Accrued Expenses
DeferredTaxAssetsAccruedExpenses
10642000
CY2023Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
15793000
CY2022Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
20687000
CY2023Q4 us-gaap Deferred Tax Assets Regulatory Assets And Liabilities
DeferredTaxAssetsRegulatoryAssetsAndLiabilities
41893000
CY2022Q4 us-gaap Deferred Tax Assets Regulatory Assets And Liabilities
DeferredTaxAssetsRegulatoryAssetsAndLiabilities
42999000
CY2023Q4 us-gaap Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
1472000
CY2022Q4 us-gaap Deferred Tax Assets Derivative Instruments
DeferredTaxAssetsDerivativeInstruments
1416000
CY2023Q4 mgee Deferred Tax Assets Leases
DeferredTaxAssetsLeases
7389000
CY2022Q4 mgee Deferred Tax Assets Leases
DeferredTaxAssetsLeases
7137000
CY2023Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
23075000
CY2022Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
17438000
CY2023Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
162598000
CY2022Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
166699000
CY2023Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
0
CY2022Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
0
CY2023Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
162598000
CY2022Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
166699000
CY2023Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
316305000
CY2022Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
295872000
CY2023Q4 mgee Deferred Tax Liabilities Equity Method Investments
DeferredTaxLiabilitiesEquityMethodInvestments
53137000
CY2022Q4 mgee Deferred Tax Liabilities Equity Method Investments
DeferredTaxLiabilitiesEquityMethodInvestments
52840000
CY2023Q4 us-gaap Deferred Tax Liabilities Deferred Expense Deferred Financing Costs
DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts
411000
CY2022Q4 us-gaap Deferred Tax Liabilities Deferred Expense Deferred Financing Costs
DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts
472000
CY2023Q4 mgee Deferred Tax Liabilities Pension And Other Postretirement Benefits
DeferredTaxLiabilitiesPensionAndOtherPostretirementBenefits
34824000
CY2022Q4 mgee Deferred Tax Liabilities Pension And Other Postretirement Benefits
DeferredTaxLiabilitiesPensionAndOtherPostretirementBenefits
35590000
CY2023Q4 us-gaap Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
1472000
CY2022Q4 us-gaap Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
1416000
CY2023Q4 mgee Deferred Tax Liabilities Deductible Prepayments
DeferredTaxLiabilitiesDeductiblePrepayments
9996000
CY2022Q4 mgee Deferred Tax Liabilities Deductible Prepayments
DeferredTaxLiabilitiesDeductiblePrepayments
10308000
CY2023Q4 mgee Deferred Tax Liabilities Leases
DeferredTaxLiabilitiesLeases
7389000
CY2022Q4 mgee Deferred Tax Liabilities Leases
DeferredTaxLiabilitiesLeases
7137000
CY2023Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
18093000
CY2022Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
15254000
CY2023Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
441627000
CY2022Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
418889000
CY2023Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
279029000
CY2022Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
252190000
CY2022Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
2485000
CY2021Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
2353000
CY2020Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
2281000
CY2023 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
455000
CY2022 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
731000
CY2021 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
714000
CY2023 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
0
CY2022 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
0
CY2021 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
0
CY2023 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
1325000
CY2022 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
599000
CY2021 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
642000
CY2023Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
1615000
CY2022Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
2485000
CY2021Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
2353000
CY2022Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
189000
CY2021Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
150000
CY2020Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
154000
CY2023 mgee Unrecognized Tax Benefits Decrease Resulting From Interest Expense On Uncertain Tax Positions
UnrecognizedTaxBenefitsDecreaseResultingFromInterestExpenseOnUncertainTaxPositions
149000
CY2022 mgee Unrecognized Tax Benefits Decrease Resulting From Interest Expense On Uncertain Tax Positions
UnrecognizedTaxBenefitsDecreaseResultingFromInterestExpenseOnUncertainTaxPositions
95000
CY2021 mgee Unrecognized Tax Benefits Decrease Resulting From Interest Expense On Uncertain Tax Positions
UnrecognizedTaxBenefitsDecreaseResultingFromInterestExpenseOnUncertainTaxPositions
98000
CY2023 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
90000
CY2022 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
134000
CY2021 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
94000
CY2023Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
130000
CY2022Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
189000
CY2021Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
150000
CY2023 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
5200000
CY2022 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
5400000
CY2021 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
5100000
CY2023Q4 us-gaap Defined Benefit Plan Fair Value Of Plan Assets
DefinedBenefitPlanFairValueOfPlanAssets
447884000
CY2022Q4 us-gaap Defined Benefit Plan Fair Value Of Plan Assets
DefinedBenefitPlanFairValueOfPlanAssets
412038000
CY2023Q4 us-gaap Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year
DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
0
CY2023 us-gaap Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
7700000
CY2023 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
2700000
CY2022 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
1300000
CY2021 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
2900000
CY2023Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
38000000
CY2022Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
70500000
CY2023Q4 us-gaap Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
685000
CY2022Q4 us-gaap Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
685000
CY2023Q4 us-gaap Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
0.054
CY2022Q4 us-gaap Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
0.0432
CY2023 us-gaap Shortterm Debt Maximum Amount Outstanding During Period
ShorttermDebtMaximumAmountOutstandingDuringPeriod
82000000
CY2022 us-gaap Shortterm Debt Maximum Amount Outstanding During Period
ShorttermDebtMaximumAmountOutstandingDuringPeriod
70500000
CY2023 us-gaap Shortterm Debt Average Outstanding Amount
ShorttermDebtAverageOutstandingAmount
35959000
CY2022 us-gaap Shortterm Debt Average Outstanding Amount
ShorttermDebtAverageOutstandingAmount
20177000
CY2023 mgee Short Term Debt Weighted Average Interest Rate During Period
ShortTermDebtWeightedAverageInterestRateDuringPeriod
0.0494
CY2022 mgee Short Term Debt Weighted Average Interest Rate During Period
ShortTermDebtWeightedAverageInterestRateDuringPeriod
0.0346
CY2023Q4 us-gaap Line Of Credit
LineOfCredit
0
CY2023Q4 us-gaap Long Term Debt Current
LongTermDebtCurrent
5146000
CY2022Q4 us-gaap Long Term Debt Current
LongTermDebtCurrent
54314000
CY2023Q4 us-gaap Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
4579000
CY2022Q4 us-gaap Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
4000000
CY2023Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
718822000
CY2022Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
585246000
CY2022Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
5146000
CY2022Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
5285000
CY2022Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
20433000
CY2022Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
54888000
CY2022Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
26953000
CY2022Q4 us-gaap Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
615842000
CY2023 us-gaap Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
2402000
CY2022 us-gaap Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
1947000
CY2023 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
2035000
CY2023 mgee Stock Issued During Period Under The Stock Plan
StockIssuedDuringPeriodUnderTheStockPlan
0
CY2022 mgee Stock Issued During Period Under The Stock Plan
StockIssuedDuringPeriodUnderTheStockPlan
0
CY2023 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
60400000
CY2023 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.67
CY2022 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
57500000
CY2022 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.59
CY2023 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
23125
CY2023Q4 us-gaap Purchase Obligation Due In Next Twelve Months
PurchaseObligationDueInNextTwelveMonths
86039000
CY2023Q4 us-gaap Purchase Obligation Due In Second Year
PurchaseObligationDueInSecondYear
51218000
CY2023Q4 us-gaap Purchase Obligation Due In Third Year
PurchaseObligationDueInThirdYear
29980000
CY2023Q4 us-gaap Purchase Obligation Due In Fourth Year
PurchaseObligationDueInFourthYear
10754000
CY2023Q4 us-gaap Purchase Obligation Due In Fifth Year
PurchaseObligationDueInFifthYear
4711000
CY2023Q4 us-gaap Purchase Obligation Due After Fifth Year
PurchaseObligationDueAfterFifthYear
37397000
CY2023Q4 us-gaap Other Commitment Due In Next Twelve Months
OtherCommitmentDueInNextTwelveMonths
333000
CY2023Q4 us-gaap Other Commitment Due In Second Year
OtherCommitmentDueInSecondYear
333000
CY2023Q4 us-gaap Other Commitment Due In Third Year
OtherCommitmentDueInThirdYear
333000
CY2023Q4 us-gaap Other Commitment Due In Fourth Year
OtherCommitmentDueInFourthYear
333000
CY2023Q4 us-gaap Other Commitment Due In Fifth Year
OtherCommitmentDueInFifthYear
333000
CY2023Q4 us-gaap Other Commitment Due After Fifth Year
OtherCommitmentDueAfterFifthYear
1999000
CY2022Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
50260000
CY2021Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
46580000
CY2022 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
1909000
CY2023 us-gaap Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
107000
CY2022 us-gaap Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
317000
CY2023 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
-160000
CY2022 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
141000
CY2023Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
54430000
CY2022Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
50260000
CY2023 us-gaap Derivatives Methods Of Accounting Hedging Derivatives
DerivativesMethodsOfAccountingHedgingDerivatives
<span id="xbrl_cs_7d6eb0e18a7e4a948988b645d258cf40"></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;">As part of its regular operations, MGE enters into contracts, including options, swaps, futures, forwards, and other contractual commitments, to manage its exposure to commodity prices. To the extent that these contracts are derivatives, MGE assesses whether or not the normal purchases or normal sales exclusion applies. For contracts to which this exclusion cannot be applied, the derivatives are recognized in the consolidated balance sheets at fair value. MGE's financial commodity derivative activities are conducted in accordance with its electric and gas risk management program, which is approved by the PSCW and limits the volume MGE can hedge with specific risk management strategies. The maximum length of time over which cash flows related to energy commodities can be hedged is </span><span id="xbrl_cs_a85c4815961749728b39c7825e469a56"></span><span style="font-size:10pt;font-family:'Calibri',sans-serif;"><span style="-sec-ix-hidden:F_f62b790a-accf-4a00-80b3-e2638f9d68b7;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;">four</span></span></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Calibri',sans-serif;min-width:fit-content;"> years. If the derivative qualifies for regulatory deferral, the derivatives are marked to fair value and are offset with a corresponding regulatory asset or liability depending on whether the derivative is in a net loss or net gain position, respectively. The deferred gain or loss is recognized in earnings in the delivery month applicable to the instrument. Gains and losses related to hedges qualifying for regulatory treatment are refundable or recoverable in gas rates through the PGA or in electric rates as a component of the fuel rules mechanism.</span>
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
14140000
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
5521000
CY2023 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Current Assets
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInCurrentAssets
0
CY2022 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Current Assets
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInCurrentAssets
-118000
CY2021 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Current Assets
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInCurrentAssets
-237000
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases
0
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases
11997000
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases
26287000
CY2023Q4 us-gaap Derivative Net Liability Position Aggregate Fair Value
DerivativeNetLiabilityPositionAggregateFairValue
0
CY2022Q4 us-gaap Derivative Net Liability Position Aggregate Fair Value
DerivativeNetLiabilityPositionAggregateFairValue
0
CY2023Q4 mgee Counterparties In Default
CounterpartiesInDefault
0
CY2023Q4 us-gaap Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
4600000
CY2022Q4 us-gaap Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
4000000
CY2023Q4 us-gaap Derivative Liability Collateral Right To Reclaim Cash Offset
DerivativeLiabilityCollateralRightToReclaimCashOffset
5400000
CY2022Q4 us-gaap Derivative Liability Collateral Right To Reclaim Cash Offset
DerivativeLiabilityCollateralRightToReclaimCashOffset
5200000
CY2023 mgee Deferred Compensation Arrangement With Individual Investment Interest Calculation Investment Maturity Period
DeferredCompensationArrangementWithIndividualInvestmentInterestCalculationInvestmentMaturityPeriod
P182D
CY2023 mgee Deferred Compensation Arrangement With Individual Investment Interest Calculation Monthly Compounding Rate
DeferredCompensationArrangementWithIndividualInvestmentInterestCalculationMonthlyCompoundingRate
0.01
CY2023 mgee Deferred Compensation Arrangement With Individual Investment Interest Calculation Minimum Annual Rate Compounded Monthly
DeferredCompensationArrangementWithIndividualInvestmentInterestCalculationMinimumAnnualRateCompoundedMonthly
0.07
CY2022Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
-866000
CY2021Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
178000
CY2020Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
-14055000
CY2023 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Regulatory Assets
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInRegulatoryAssets
1738000
CY2022 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Regulatory Assets
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInRegulatoryAssets
1044000
CY2021 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Regulatory Assets
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInRegulatoryAssets
-0
CY2023 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Regulatory Liabilities
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInRegulatoryLiabilities
-0
CY2022 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Regulatory Liabilities
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInRegulatoryLiabilities
-0
CY2021 mgee Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Regulatory Liabilities
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInRegulatoryLiabilities
-14234000
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Other Comprehensive Income Loss
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss
-0
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Other Comprehensive Income Loss
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss
-0
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Other Comprehensive Income Loss
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss
-0
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
-9211000
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales
0
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales
0
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales
0
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Issues
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationIssues
0
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Issues
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationIssues
0
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Issues
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationIssues
0
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
-9211000
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
26255000
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
32046000
CY2023Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
-2604000
CY2022Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
-866000
CY2021Q4 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
178000
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
0
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
0
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
0
CY2023 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
-9211000
CY2022 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
14140000
CY2021 us-gaap Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
5521000
CY2023 us-gaap Regulated And Unregulated Operating Revenue
RegulatedAndUnregulatedOperatingRevenue
690431000
CY2022 us-gaap Regulated And Unregulated Operating Revenue
RegulatedAndUnregulatedOperatingRevenue
714519000
CY2021 us-gaap Regulated And Unregulated Operating Revenue
RegulatedAndUnregulatedOperatingRevenue
606584000
CY2023Q4 us-gaap Assets
Assets
2675458000
CY2022Q4 us-gaap Assets
Assets
2517600000
CY2021Q4 us-gaap Assets
Assets
2371906000
CY2023 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
222071000
CY2022 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
175030000
CY2021 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
153169000
CY2020Q4 us-gaap Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
7076565
CY2021 us-gaap Valuation Allowances And Reserves Charged To Cost And Expense
ValuationAllowancesAndReservesChargedToCostAndExpense
3402468
CY2021 us-gaap Valuation Allowances And Reserves Charged To Other Accounts
ValuationAllowancesAndReservesChargedToOtherAccounts
32400
CY2021 us-gaap Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
-2207732
CY2021Q4 us-gaap Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
8303701
CY2021Q4 us-gaap Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
8303701
CY2022 us-gaap Valuation Allowances And Reserves Charged To Cost And Expense
ValuationAllowancesAndReservesChargedToCostAndExpense
3814311
CY2022 us-gaap Valuation Allowances And Reserves Charged To Other Accounts
ValuationAllowancesAndReservesChargedToOtherAccounts
40800
CY2022 us-gaap Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
-3785972
CY2022Q4 us-gaap Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
8372840
CY2022Q4 us-gaap Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
8372840
CY2023 us-gaap Valuation Allowances And Reserves Charged To Cost And Expense
ValuationAllowancesAndReservesChargedToCostAndExpense
3264309
CY2023 us-gaap Valuation Allowances And Reserves Charged To Other Accounts
ValuationAllowancesAndReservesChargedToOtherAccounts
20400
CY2023 us-gaap Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
-3559473
CY2023Q4 us-gaap Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
8098076

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