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Rate Matters (Tables)
 3 Months Ended
Mar. 31, 2016
Public Utilities, General Disclosures [Abstract]  
SPS' Texas 2016 Electric Rate Case [Table Text Block]
The following table summarizes the revised net request:
(Millions of Dollars)
 
Request
Capital expenditure investments
 
$
38.9

Change in jurisdictional allocation factors
 
9.8

Changes in ROE and capital structure
 
11.6

Estimated rate case expenses
 
4.5

Other, net
 
3.8

Total
 
$
68.6
SPS' Texas 2015 Electric Rate Case [Table Text Block]
The following table reflects the administrative law judges’ (ALJs’) position and PUCT’s decision:
 
 
ALJs’ Proposal
 
PUCT
(Millions of Dollars)
 
for Decision
 
Decision
SPS’ revised rate request
 
$
42.1

 
$
42.1

Investment for capital expenditures — post-test year adjustments
 
(8.9
)
 
(8.9
)
Lower ROE
 
(6.3
)
 
(6.3
)
Lower capital structure
 
—

 
(3.7
)
Annual incentive compensation
 
(0.2
)
 
(0.3
)
O&M expense adjustments
 
(4.6
)
 
(4.6
)
Depreciation expense
 
(2.7
)
 
(2.7
)
Property taxes
 
(0.9
)
 
(0.9
)
Revenue adjustments
 
(1.1
)
 
(1.6
)
Wholesale load reductions
 
—

 
(11.5
)
SPP transmission expansion plan
 
(4.2
)
 
(4.2
)
Other, net
 
1.4

 
(1.2
)
Total, gross of rate case expenses
 
$
14.6

 
$
(3.8
)
Adjustment to move rate case expenses to a separate docket
 
(0.2
)
 
(0.2
)
Total, net of rate case expenses
 
$
14.4

 
$
(4.0
)
New depreciation rates
 
(11.2
)
 
(11.2
)
Earnings impact
 
$
3.2

 
$
(15.2
)