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v3.19.3.a.u2

Derivatives And Risk Management (Energy Commodity Derivatives) (Details) frequency in Thousands, Volt in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 Volt frequency | Dec. 31, 2018 Volt frequency
Sales [Member] | Electric Derivative [Member] | Physical [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | 133 | 197
Settled in 2 Years | 0 | 123
Settled in 3 Years | 0 | 0
Settled in 4 Years | 0 | 0
Settled in 5 Years | 0 | 0
Thereafter | 0 | 0
Sales [Member] | Electric Derivative [Member] | Financial [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | 1,724 | 2,790
Settled in 2 Years | 246 | 959
Settled in 3 Years | 0 | 0
Settled in 4 Years | 0 | 0
Settled in 5 Years | 0 | 0
Thereafter | 0 | 0
Sales [Member] | Gas Derivative [Member] | Physical [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | Volt | 2,984 | 2,909
Settled in 2 Years | Volt | 1,040 | 1,430
Settled in 3 Years | Volt | 0 | 1,049
Settled in 4 Years | 0 | 0
Settled in 5 Years | 0 | 0
Thereafter | Volt | 0 | 0
Sales [Member] | Gas Derivative [Member] | Financial [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | Volt | 37,848 | 54,418
Settled in 2 Years | Volt | 13,108 | 14,625
Settled in 3 Years | Volt | 675 | 4,100
Settled in 4 Years | Volt | 0 | 0
Settled in 5 Years | 0 | 0
Thereafter | Volt | 0 | 0
Purchase [Member] | Electric Derivative [Member] | Physical [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | 2 | 206
Settled in 2 Years | 0 | 0
Settled in 3 Years | 0 | 0
Settled in 4 Years | 0 | 0
Settled in 5 Years | 0 | 0
Thereafter | 0 | 0
Purchase [Member] | Electric Derivative [Member] | Financial [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | 442 | 941
Settled in 2 Years | 0 | 0
Settled in 3 Years | 0 | 0
Settled in 4 Years | 0 | 0
Settled in 5 Years | 0 | 0
Thereafter | 0 | 0
Purchase [Member] | Gas Derivative [Member] | Physical [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | Volt | 9,813 | 10,732
Settled in 2 Years | Volt | 153 | 1,138
Settled in 3 Years | Volt | 225 | 0
Settled in 4 Years | Volt | 0 | 0
Settled in 5 Years | Volt | 0 | 0
Thereafter | Volt | 0 | 0
Purchase [Member] | Gas Derivative [Member] | Financial [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Settled in 1 Year | Volt | 78,803 | 101,293
Settled in 2 Years | Volt | 25,523 | 47,225
Settled in 3 Years | Volt | 4,725 | 9,670
Settled in 4 Years | Volt | 0 | 0
Settled in 5 Years | Volt | 0 | 0
Thereafter | Volt | 0 | 0

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- Definition Energy Commodity Derivative Expected To Be Settle Year Five + References No definition available. + Details
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- Definition Energy Commodity Derivative Expected To Be Settle Year Four + References No definition available. + Details
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