Borrowings and Other Financing Instruments (Tables)

At March 31, 2015, SPS had the following committed credit facility available (in millions of dollars):


^(a)	This credit facility expires in October 2019.


^(b)	Includes outstanding commercial paper and letters of credit.

Money pool borrowings for SPS were as follows:



(Amounts in Millions, Except Interest Rates)	Three Months Ended March 31, 2015			Twelve Months Ended Dec. 31, 2014
Borrowing limit	$	100		$	100
Amount outstanding at period end	—			16
Average amount outstanding	2			9
Maximum amount outstanding	31			100
Weighted average interest rate, computed on a daily basis	0.56		%	0.22		%
Weighted average interest rate at period end	N/A			0.45

Commercial paper outstanding for SPS was as follows:



(Amounts in Millions, Except Interest Rates)	Three Months Ended March 31, 2015			Twelve Months Ended Dec. 31, 2014
Borrowing limit	$	400		$	400
Amount outstanding at period end	123			37
Average amount outstanding	103			83
Maximum amount outstanding	144			241
Weighted average interest rate, computed on a daily basis	0.44		%	0.26		%
Weighted average interest rate at period end	0.56			0.47