XML 44 R29.htm IDEA: XBRL DOCUMENT
v3.21.2

Commitments and Contingencies (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract] |
Purchase Contracts, Fiscal Year Maturity Schedule | The following table shows future commitments related to purchase contracts as of September 30, 2021:
(In thousands) |  | 2021 |  |  | 2022 |  |  | 2023 |  |  | 2024 |  |  | 2025 |  |  | Thereafter |
Coal(a) |  | $ | 5,050 |  |  | $ | 12,400 |  |  | $ | 6,447 |  |  | $ | 1,617 |  |  | $ | 894 |  |  | $ | — |
Natural gas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transportation and storage(b) |  |  | 6,665 |  |  |  | 23,305 |  |  |  | 23,919 |  |  |  | 23,919 |  |  |  | 23,919 |  |  |  | 25,210 |
Supply(c) |  |  | 21,432 |  |  |  | 20,033 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Other |  |  | 3,897 |  |  |  | 3,192 |  |  |  | 1,676 |  |  |  | 890 |  |  |  | 104 |  |  |  | 892 |
|  | $ | 37,044 |  |  | $ | 58,930 |  |  | $ | 32,042 |  |  | $ | 26,426 |  |  | $ | 24,917 |  |  | $ | 26,102 |
(a) Total coal commitments for the Columbia and Elm Road Units, including transportation. Fuel procurement for MGE's jointly owned Columbia and Elm Road Units is handled by WPL and WEPCO, respectively, who are the operators of those facilities. (b) MGE's natural gas transportation and storage contracts require fixed monthly payments for firm supply pipeline transportation and storage capacity. The pricing components of the fixed monthly payments for the transportation and storage contracts are established by FERC but may be subject to change. (c) These commitments include market-based pricing.

X
- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
Name: | srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration