Derivative Commodities and Disclosures (Details) MWh in Thousands, MMBTU in Thousands |
Sep. 30, 2026
MWh
MMBTU
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Sep. 30, 2025
MMBTU
MWh
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| Electricity (MWh) | Long | ||
| Derivative | ||
| Derivative, Number of Instruments Held | MWh | 978 | 208 |
| Electricity (MWh) | Short | ||
| Derivative | ||
| Derivative, Number of Instruments Held | MWh | 793 | 0 |
| Natural Gas (MMBTU) | Long | ||
| Derivative | ||
| Derivative, Number of Instruments Held | MMBTU | 152,950 | 114,725 |
| Natural Gas (MMBTU) | Short | ||
| Derivative | ||
| Derivative, Number of Instruments Held | MMBTU | 525 | 0 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The number of derivative instruments of a particular group held by the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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