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Rate Matters
9 Months Ended
Sep. 30, 2013
Public Utilities, General Disclosures [Abstract]  
Rate Matters
Rate Matters

Except to the extent noted below, the circumstances set forth in Note 10 to the financial statements included in SPS’ Annual Report on Form 10-K for the year ended Dec. 31, 2012 and in Note 5 to SPS’ Quarterly Reports on Form 10-Q for the quarter periods ended March 31, 2013 and June 30, 2013, appropriately represent, in all material respects, the current status of other rate matters, and are incorporated herein by reference.

Recently Concluded Regulatory Proceedings — Public Utility Commission of Texas (PUCT)

Texas 2012 Electric Rate Case — In November 2012, SPS filed an electric rate case in Texas with the PUCT for an increase in annual revenue of approximately $90.2 million.  The rate filing is based on a historic twelve month test year ended June 30, 2012 (adjusted for known and measurable changes), a requested return on equity (ROE) of 10.65 percent, an electric rate base of $1.15 billion and an equity ratio of 52 percent.

In June 2013, the PUCT approved a settlement agreement in which SPS’ base rate increased by $37 million, effective May 1, 2013 and by an additional $13.8 million on Sept. 1, 2013.  In addition, the settlement allows SPS to file a transmission cost recovery adjustment rider in the fourth quarter of 2013 and for those rates to become effective on an interim basis in January 2014.  Under the settlement, SPS cannot file another base rate case in 2013, but there are no restrictions on SPS filing a base rate case in 2014.

Pending Regulatory Proceedings — New Mexico Public Regulation Commission (NMPRC)

New Mexico 2014 Electric Rate Case — In December 2012, SPS filed an electric rate case in New Mexico with the NMPRC for an increase in annual revenue of approximately $45.9 million effective in 2014.  The rate filing is based on a 2014 forecast test year, a requested ROE of 10.65 percent, a jurisdictional electric rate base of $479.8 million and an equity ratio of 53.89 percent. On June 19, 2013, SPS revised its requested rate increase to $43.3 million.

In August 2013, the NMPRC Staff (Staff), the New Mexico Attorney General (NMAG), the Federal Executive Agencies, the Coalition of Clean Affordable Energy, Occidental Permian, Ltd. and New Mexico Gas Company filed testimony.

The following table summarizes certain parties’ recommendations from SPS’ revised request:
(Millions of Dollars)
 
Staff
Testimony
August 2013
 
NMAG
Testimony
August 2013
SPS revised request
 
$
43.3

 
$
43.3

Rate rider for renewable energy costs (a)
 
(14.5
)
 
(8.5
)
Present revenues (sales growth and weather)
 
(4.4
)
 
(6.4
)
ROE (9.8 percent and 8.63 percent, respectively)
 
(3.2
)
 
(8.1
)
Capital structure
 
(1.5
)
 
(1.1
)
Employee benefits
 
(2.8
)
 
(1.8
)
Reduced recovery for payroll expense
 
(0.1
)
 
(0.1
)
Gain on sale of transmission assets
 

 
(1.7
)
Fuel clause revenue
 
6.0

 

Other, net
 
(5.0
)
 
(6.6
)
Recommended rate increase
 
$
17.8

 
$
9.0

 
 
 
 
 
Means of recovery:
 
 
 
 
Base revenue
 
$
8.8

 
$
(6.0
)
Rider revenue
 
7.3

 
13.3

Fuel cost adjustment revenue
 
1.7

 
1.7

 
 
$
17.8

 
$
9.0

 
(a) 
Adjustments represent recommended deferrals, extended amortizations and moving costs from rider to fuel in base rates.

On Sept. 9, 2013, SPS filed rebuttal testimony, revising its requested rate increase to $32.5 million, based on updated information and an ROE of 10.25 percent. This reflects a base and fuel increase of $20.9 million, an increase of rider revenue of $12.1 million and a decrease to other of $0.5 million.

The hearings on the merits of the case concluded in September 2013. Next steps in the procedural schedule are expected to be as follows:

A recommended decision is anticipated from the hearing examiner in November 2013;
An NMPRC decision is anticipated in the first quarter of 2014; and
Final rates are expected to be effective in the first quarter of 2014.

SPS – 2004 Federal Energy Regulatory Commission (FERC) Complaint Case Orders  In August 2013, the FERC issued an order on rehearing and clarification related to a 2004 Complaint case brought by Golden Spread (a wholesale cooperative customer) and Public Service Company of New Mexico (PNM) and an Order on Initial Decision in a subsequent 2006 rate case filed by SPS. The original Complaint included two key components; the first was the appropriateness of the allocations of system average fuel costs and the second was a base rate complaint, including the appropriate demand-related cost allocator.

The first issue related to PNM’s claim regarding inappropriate allocation of fuel costs. The FERC clarified its initial order and granted SPS’ request for clarification that PNM was not entitled to refunds based on the FERC’s April 2008 Order in the Complaint case. The FERC determined that refunds should apply only to firm requirements customers and not PNM’s contractual load.

The second issue related to the use of a 12 coincident peak (CP) vs. 3CP demand allocator. This issue first arose in the base rate revenue requirements portion of Golden Spread’s 2004 Complaint as well as SPS’ 2006 rate case. In December 2007, SPS reached a settlement of all fuel issues with Golden Spread, and entered a formula rate agreement for its production costs. That agreement indicated that all issues from the complaint period were resolved and that all base rate issues from the 2006 rate case were resolved other than the 12CP vs. 3CP issue and the formula rate tariff allows this issue to be resolved.

In April 2008, the FERC issued an order resolving the remaining rate issues and found in favor of SPS on the disputed rate issue, concluding that SPS was a 12CP system. Golden Spread asked for rehearing of this issue in May of 2008. Also in May 2008, in a subsequent SPS rate case involving all requirements customers (other than Golden Spread), the FERC granted the motion of the full requirements customers and SPS reaffirming that SPS was a 12CP system. As a result of these FERC actions, SPS considered the issued to be resolved and the risk of loss to be remote.

In the orders issued in August 2013, the FERC reversed itself, stating that it erred in its initial analysis and determined that the SPS system was a 3CP rather than a 12CP system. As a result, SPS estimates that the combination of the order and the December 2007 settlement creates a refund liability of approximately $42 million including interest. This would be partially offset by a reserve that had been established for the PNM decision and the amounts for which the New Mexico Cooperatives had agreed to refund in the event of this outcome. The pre-tax impact to 2013 earnings from these orders is approximately $35 million, which was recorded in the third quarter of 2013. Pending the timing and resolution of this matter, the annual impact to revenues through 2014 could be up to $6 million and decreasing to $4 million on June 1, 2015.

In September 2013, SPS filed a request for rehearing of the FERC ruling on the CP allocation and refund decisions. SPS asserted that the FERC applied an improper burden of proof in reversing the 2008 ruling and that precedent did not support retroactive refunds. PNM also requested rehearing of the FERC decision not to reverse its prior ruling. In October 2013, the FERC issued orders further considering the requests for rehearing. These matters are currently pending the FERC’s action. If unsuccessful in its rehearing request, SPS will have the opportunity to file rate cases with the FERC and its retail jurisdictions in attempt to change all customers to a 3CP allocation method.

Purchase and Sale Agreement for Certain Texas Transmission Assets — On March 29, 2013, SPS entered into a purchase and sale agreement with Sharyland Distribution and Transmission Services, LLC (Sharyland) for the sale of certain segments of SPS’ transmission lines and two related substations for a base purchase price of $37 million, subject to adjustments for unplanned capital expenditures.  The transaction is subject to various regulatory approvals including that of the FERC.

On April 29, 2013, SPS made filings regarding the planned transaction with the PUCT, the NMPRC and the FERC.  If approved, the sale is expected to close by the end of 2013. The FERC approved the transaction in August 2013 and on Sept. 20, 2013 SPS filed an unopposed stipulation at the PUCT resolving all issues related to the SPS items in the joint application SPS filed together with Sharyland. In the proposed settlement to the PUCT, the Texas retail jurisdiction would be allocated 45 percent of the net pre-tax gain on sale and this amount would be shared 60 percent with customers and 40 percent would be retained by SPS.

On Sept. 12, 2013, the NMPRC Staff and the NMAG filed testimony in support of the sale of the transmission assets. Both parties proposed that SPS’ New Mexico retail customers should retain 100 percent of any New Mexico jurisdictional share of the gain on sale. On Sept. 27, 2013, SPS filed rebuttal testimony before the NMPRC disputing the positions presented by the NMPRC Staff and the NMAG. An evidentiary hearing was held on Oct. 8, 2013.

Decisions are expected from the NMPRC and PUCT in the fourth quarter of 2013.