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After-tax gains (losses) recognized in earnings for the reversal of previously recognized unrealized gains (losses), due to cash flow hedge positions that had previously failed hedge effectiveness testing.

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Obligation to return cash collateral received from counterparties under terms of a master netting arrangement.

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The amount of cash collateral posted under master netting arrangements.

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The period end fair value of commodity contracts classified as economic activity. The fair value results in a net (asset) or liability position.

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Unrealized pre-tax gains (losses) on NPNS contracts which resulted from the fair value of such contracts being recorded on the Balance Sheet, with an offset to the Statement of Income, due to the monetization of these full-requirement sales contracts.

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Maximum length of time over which the entity is economically hedging its exposure to the variability in future cash flows for forecasted transactions specific to the regulated business.

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The number of strategies employed by the company to maximize the value of its wholesale energy portfolio. These strategies include the sales of baseload generation, optimization of intermediate and peaking generation, marketing activities, and proprietary trading activities.

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Unrealized pre-tax gains (losses) on NPNS contracts which resulted from the fair value of such contracts being recorded on the Balance Sheet and offset to the Income Statement, that were not monetized.

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Pre-tax impact of correction of an error that was deemed to have an immaterial impact on prior periods. The error was an understatement of the fair value of a contract classified as economic activity due to the use of an incorrect forward capacity curve that understated the unrealized losses on the contract.

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Amount of pre-tax gains (losses) from economic activity related to price and volume risk derivative instruments not designated as hedging instruments, the ineffective portion of qualifying cash flow hedges, and the entire change in fair value of certain cash flow hedges that fail retrospective effectiveness testing.

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A disclosure of an assertion that the amount of net gains (losses) reclassified into earnings when price risk cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period is insignificant or zero.

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Cash proceeds from the monetization of full-requirement sales contracts in July 2010.

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Realized pre-tax gains (losses) on NPNS contracts which resulted from the fair value of such contracts being recorded on the Balance Sheet and offset to the Income Statement, specific to those contracts monetized.

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Total unrealized after-tax gain (loss) included in earnings related to the July 2010 monetization of certain full-requirement sales contracts.

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Unrealized pre-tax gains (losses) that represents the change in fair value of certain full-requirement sales contracts monetized in July 2010 and were previously classified as economic activity.

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Total unrealized pre-tax gain (loss) included in earnings related to the July 2010 monetization of certain full-requirement sales contracts.

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The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of net gain (loss) reclassified into earnings when price risk cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The net gain (loss) recognized in earnings during the period due to ineffectiveness in price risk cash flow hedges.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The estimated net amount of unrealized gains (losses) on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

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