The following table summarizes long-term debt (rates and terms as of June 30, 2013), excluding LSTC:



(in millions)	Current Rate¹	Effective Interest Rate²	Maturity Date	June 30, 2013		December 31, 2012
Walnut Creek Energy Term Loan	2.53% LIBOR+2.25%	5.47%	May 2023	$	442	$	330
WCEP Holdings, LLC Term Loan	4.32% LIBOR+4.0%	7.63%	May 2023	53		52
Big Sky Wind, LLC Vendor financing loan	3.94% LIBOR+3.5%	3.94%	October 2014	226		222
High Lonesome Mesa, LLC Bonds	6.85% Fixed	6.85%	November 2017	66		69
American Bituminous Power Partners, L.P.³Bonds	0.14% Fixed	0.14%	October 2017	46		46
Viento Funding II, Inc. Term Loan	3.18% LIBOR+2.75%	5.82%	December 2020	179		191
Tapestry Wind, LLC Term Loan	2.79% LIBOR+2.5%	4.52%	December 2021	205		210
Cedro Hill Wind, LLC Term Loan	3.29% LIBOR+3.0%	6.89%	December 2025	120		125
Laredo Ridge Term Loan	3.03% LIBOR+2.75%	5.90%	March 2026	70		71
Crofton Bluffs Wind, LLC Term Loan⁴	3.16% LIBOR+2.88%	3.61%	December 2027	26		27
Broken Bow Wind, LLC Term Loan⁴	3.15% LIBOR+2.88%	3.65%	December 2027	51		52
Others	Various	Various	Various	38		43
Total debt				$	1,522	$	1,438
Less: Short-term debt				—		382
Total long-term debt				1,522		1,056
Less: Current maturities of long-term debt				118		307
Long-term debt, net of current portion				$	1,404	$	749


¹	London Interbank Offered Rate (LIBOR).


²	The effective rate at which interest expense is reflected in the financial statements after the consideration of the current rate of debt and any amounts subject to interest rate swaps. For further discussion, see Note 6—Derivative Instruments and Hedging Activities—Interest Rate Risk Management.


³	Principal payments are due annually through October 1, 2017. Interest rates are reset weekly based on current bond yields for similar securities. At June 30, 2013, the outstanding balance is supported by a letter of credit.


⁴	The interest rate swaps for this obligation will expire in December 2013 and forward starting rate swaps will become effective. For additional information, see Note 6—Derivative Instruments and Hedging Activities.