Rate Matters (Tables)

3 Months Ended

Mar. 31, 2017

Public Utilities, General Disclosures [Abstract]

SPS' Texas 2016 Electric Rate Case [Table Text Block]

(Millions of Dollars)	Request
Capital expenditures	$	20.1
Allocator changes, including wholesale load reductions	11.5
Transmission expense, net of revenue, including charges paid to Southwest Power Pool, Inc. (SPP) for construction of regionally shared transmission projects	4.7
Depreciation, including adjustment of service life for the Tolk generating station	3.6
Rate case expenses	1.1
Other, net	0.4
Requested rate increase	$	41.4