Derivative Accounting (Tables)

12 Months Ended

Dec. 31, 2013

Outstanding gross notional amount of derivatives, which represents both purchases and sales (does not reflect net position)

As of December 31, 2013, we had the following outstanding gross notional volume of derivatives, which represent both purchases and sales (does not reflect net position):

Commodity	Quantity
Power	5,765	GWh
Gas	108	Bcfs (a)

(a) “Bcf” is Billion Cubic Feet.

Gains and losses from derivative instruments in designated cash flow accounting hedges relationships

The following table provides information about gains and losses from derivative instruments in designated cash flow accounting hedging relationships during the years ended December 31, 2013, 2012 and 2011 (dollars in thousands):

		Year Ended
	Financial Statement	December 31,
Commodity Contracts	Location	2013			2012			2011

Loss Recognized in OCI on Derivative Instruments (Effective Portion)	OCI — derivative instruments	$	(353	)	$	(37,663	)	$	(94,660	)
Loss Reclassified from Accumulated OCI into Income (Effective Portion Realized) (a)	Fuel and purchased power (b)	(44,219		)	(99,007		)	(117,189		)
Gain (Loss) Recognized in Income (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Fuel and purchased power (b)	—			117			(211		)

(a) During the years ended December 31, 2013, 2012, and 2011, we had zero, $1.8 million, and zero losses reclassified from accumulated OCI to earnings related to discontinued cash flow hedges.

(b) Amounts are before the effect of PSA deferrals.

Gains and losses from derivative instruments not designated as accounting hedges instruments

The following table provides information about gains and losses from derivative instruments not designated as accounting hedging instruments during the years ended December 31, 2013, 2012 and 2011 (dollars in thousands):

		Year Ended
	Financial Statement	December 31,
Commodity Contracts	Location	2013			2012			2011

Net Gain (Loss) Recognized in Income	Operating revenues (a)	$	289		$	103		$	(27	)

Net Loss Recognized in Income	Fuel and purchased power (a)	(10,449		)	(2,747		)	(52,113		)
Total		$	(10,160	)	$	(2,644	)	$	(52,140	)

(a) Amounts are before the effect of PSA deferrals.

Schedule of the entity's fair value of risk management activities reported on a gross basis and the impacts of offsetting

As of December 31, 2013: (dollars in thousands)	Gross Recognized Derivatives (a)			Amounts Offset (b)			Net Recognized Derivatives			Other (c)			Amount Reported on Balance Sheet
Current Assets	$	24,587		$	(7,425	)	$	17,162		$	7		$	17,169
Investments and Other Assets	25,364			(1,549		)	23,815			—			23,815
Total Assets	49,951			(8,974		)	40,977			7			40,984

Current Liabilities	(50,540		)	26,166			(24,374		)	(7,518		)	(31,892		)
Deferred Credits and Other	(72,123		)	1,808			(70,315		)	—			(70,315		)
Total Liabilities	(122,663		)	27,974			(94,689		)	(7,518		)	(102,207		)
Total	$	(72,712	)	$	19,000		$	(53,712	)	$	(7,511	)	$	(61,223	)

(a) All of our gross recognized derivative instruments were subject to master netting arrangements.

(b) Includes cash collateral provided to counterparties of $19,000.

(c) Represents cash collateral and margin that is not subject to offsetting. Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions, or collateral and margin posted in excess of the recognized derivative instrument. Includes cash collateral received from counterparties of $7,518, and cash margin provided to counterparties of $7.

As of December 31, 2012: (dollars in thousands)	Gross Recognized Derivatives (a)			Amounts Offset (b)			Net Recognized Derivatives			Other (c)			Amount Reported on Balance Sheet
Current Assets	$	42,495		$	(17,797	)	$	24,698		$	1,001		$	25,699
Investments and Other Assets	41,563			(5,672		)	35,891			—			35,891
Total Assets	84,058			(23,469		)	60,589			1,001			61,590

Current Liabilities	(105,324		)	57,046			(48,278		)	(25,463		)	(73,741		)
Deferred Credits and Other	(100,986		)	15,722			(85,264		)	—			(85,264		)
Total Liabilities	(206,310		)	72,768			(133,542		)	(25,463		)	(159,005		)
Total	$	(122,252	)	$	49,299		$	(72,953	)	$	(24,462	)	$	(97,415	)

(a) All of our gross recognized derivative instruments were subject to master netting arrangements.

(b) Includes cash collateral provided to counterparties of $49,299.

(c) Represents cash collateral relating to non-derivative instruments or derivatives qualifying for scope exceptions. Includes cash collateral provided to counterparties of $1,001, and cash collateral received from counterparties of $25,463. This amount is not subject to offsetting.

Information about derivative instruments that have credit-risk-related contingent features

The following table provides information about our derivative instruments that have credit-risk-related contingent features at December 31, 2013 (dollars in millions):

	December 31, 2013
Aggregate Fair Value of Derivative Instruments in a Net Liability Position	$	123
Cash Collateral Posted	19
Additional Cash Collateral in the Event Credit-Risk Related Contingent Features were Fully Triggered (a)	66

(a) This amount is after counterparty netting and includes those contracts which qualify for scope exceptions, which are excluded from the derivative details above.