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Risk Management Activities - Outstanding commodity derivative instruments designated as hedging instruments (Details) - Electricity - Cash flow hedges - Commodity risk management - MWh	Dec. 31, 2020	Dec. 31, 2019
Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items]
Notional amount sold	95,000	222,000
Notional amount purchased	0	0

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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No definition available.

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- Definition

Derivative, Nonmonetary Notional Amount Purchased Per Hour

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No definition available.

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- Definition

Derivative, Nonmonetary Notional Amount Sold Per Hour

+ References

No definition available.

+ Details

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- Details

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