XML 75 R26.htm IDEA: XBRL DOCUMENT v2.4.0.8
Rate Matters (Tables)
 6 Months Ended
Jun. 30, 2014
Public Utilities, General Disclosures [Abstract]  
NSP-Minnesota's 2014 Electric Rate Case [Table Text Block]
The following table summarizes the DOC’s recommendations from NSP-Minnesota’s filed request:
(Millions of Dollars)
 
DOC Direct Testimony
2014
 
NSP-Minnesota Rebuttal Testimony
2014
Filed rate request
 
$
192.7

 
$
192.7

Monticello EPU cost recovery
 
(31.3
)
 
—

Sales forecast
 
(29.5
)
 
(15.8
)
ROE
 
(26.9
)
 
—

Health care, pension and other benefits
 
(21.9
)
 
(0.8
)
Property taxes
 
(13.5
)
 
—

PI EPU
 
(5.8
)
 
(3.8
)
Other, net
 
(2.2
)
 
(2.8
)
Total recommendation 2014
 
$
61.6


$
169.5

(Millions of Dollars)
 
DOC Direct Testimony
2015 Step
 
NSP-Minnesota Rebuttal Testimony
2015 Step
Filed rate request
 
$
98.5

 
$
98.5

Depreciation
 
(17.5
)
 
—

Property taxes
 
(14.5
)
 
(3.3
)
Production tax credits to be included in base rates
 
(11.1
)
 
(11.1
)
DOE settlement proceeds
 
(10.8
)
 
10.1

Capital changes and disallowances
 
(5.6
)
 
—

Nuclear outage amortization
 
(5.5
)
 
—

Emission chemicals
 
(3.0
)
 
(0.2
)
Excess depreciation reserve adjustment
 
22.7

 
—

Other, net
 
1.7

 
1.0

Total recommendation 2015 step increase
 
54.9

 
95.0

Cumulative total for 2014 and 2015 step increase
 
$
116.5

 
$
264.5


NSP-Minnesota’s rebuttal rate request, moderation plan, interim rate adjustments and certain impacts on expenses are detailed in the table below:
(Millions of Dollars)
 
2014
 
Percentage
Increase
 
2015
 
Percentage
Increase
Rebuttal pre-moderation deficiency
 
$
250

 
 
 
$
68

 
 
Moderation change compared to prior year:
 
 
 
 
 
 
 
 
  Depreciation reserve
 
(81
)
 
 
 
53

 
 
  DOE settlement proceeds
 
—

 
 
 
(26
)
 
 
Rebuttal rate request
 
169

 
6.2%
 
95

 
3.5%
Interim rate adjustments
 
(66
)
 
 
 
66

 
 
PI EPU
 
4

 
 
 
(4
)
 
 
Revenue impact(a)
 
107

 
 
 
157

 
 
Depreciation expense - decrease/(increase)
 
81

 
 
 
(46
)
 
 
Recognition of DOE settlement proceeds
 
—

 
 
 
26

 
 
Rebuttal pre-tax impact on operating income
 
$
188

 
 
 
$
137

 
 
South Dakota 2015 Electric Rate Case [Table Text Block]
The major components of the request are as follows:
(Millions of Dollars)
 
Request
Nuclear investments and operating costs
 
$
13.4

Other production, transmission and distribution
 
5.0

Technology improvements
 
2.1

Pension and operating and maintenance (O&M) expenses
 
1.6

Wind generation facilities
 
1.4

Capital structure
 
1.1

Incremental increase to base rates
 
$
24.6

 
 
 
Infrastructure rider to be included in base rates
 
$
(8.4
)
TCR rider to be included in base rates
 
(0.6
)
Net request
 
$
15.6
NSP-Wisconsin 2015 Electric Rate Case [Table Text Block]
The major cost components of the requested increase are summarized below:
(Millions of Dollars)
 
Request
Production and transmission fixed charges
 
$
28.1

Fuel and purchased power
 
13.9

Sub-Total
 
$
42.0

 
 
 
NSP-Minnesota transmission depreciation reserve
 
$
(16.2
)
Monticello EPU deferral
 
(5.2
)
Total
 
$
20.6
SPS' New Mexico 2014 Electric Rate Case
The following table summarizes the NMPRC’s approval from SPS’ revised request:
(Millions of Dollars)
 
NMPRC Approval
SPS revised request, September 2013
 
$
32.5

Fuel clause adjustment credit — non-renewable energy costs
 
2.3

SPS revised request, fuel adjusted
 
34.8

ROE (9.96 percent)
 
(1.2
)
Rate rider adjustment — renewable energy costs
 
6.0

Base rate reduction for rate rider — renewable energy costs
 
(6.0
)
Other, net
 
(0.5
)
Approved increase, March 2014
 
$
33.1

 
 
 
Means of recovery:
 
 
Base revenue
 
$
12.7

Rider revenue
 
18.1

Fuel clause
 
2.3

 
 
$
33.1