Borrowings and Other Financing Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Commercial Paper

Commercial paper and term loan borrowings outstanding for Xcel Energy were as follows:

(Amounts in Millions, Except Interest Rates)	Three Months Ended    March 31, 2018			Year Ended    Dec. 31, 2017
Borrowing limit	$	3,250		$	3,250
Amount outstanding at period end	1,025			814
Average amount outstanding	1,000			644
Maximum amount outstanding	1,197			1,247
Weighted average interest rate, computed on a daily basis	1.93		%	1.35		%
Weighted average interest rate at period end	2.34			1.90

Credit Facilities

As of March 31, 2018, Xcel Energy Inc. and its utility subsidiaries had the following committed credit facilities available:

(Millions of Dollars)	Credit Facility (a)		Drawn (b)		Available
Xcel Energy Inc.	$	1,500	$	898	$	602
PSCo	700		99		601
NSP-Minnesota	500		25		475
SPS	400		12		388
NSP-Wisconsin	150		22		128
Total	$	3,250	$	1,056	$	2,194

^(a)  These credit facilities expire in June 2021, with the exception of Xcel Energy Inc.’s $500 million364-day term loan agreement entered into in December 2017.

^(b)  Includes outstanding commercial paper, term loan borrowings and letters of credit.