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Rate Matters
3 Months Ended
Mar. 31, 2013
Rate Matters [Abstract]  
Rate Matters
5.
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 appropriately represent, in all material respects, the current status of other rate matters, and are incorporated herein by reference.

Pending Regulatory Proceedings — Public Utility Commission of Texas (PUCT)

Base Rate

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 April 2013, the parties filed a settlement agreement in which SPS' base rate will increase by $37 million, effective May 1, 2013, on an interim basis pending the PUCT's approval of the settlement, 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. The PUCT is expected to act on the settlement during the second quarter of 2013.

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

Base Rate

New Mexico 2012 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. 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.

In March 2013, the NMPRC ruled that SPS' case, as originally filed, was incomplete due to confidential exhibits to testimony and schedules being included in SPS' direct case, and directed the hearing examiner to review SPS' claims of confidentiality and to determine the date the filing is complete. After SPS made filings to address the NMPRC's concern about the confidential documents, the hearing examiner determined that SPS' application was completed on April 12, 2013. The NMPRC has suspended the tariffs for an initial nine month period beyond that date, or until Jan. 11, 2014. The NMPRC has authority to suspend the rates for an additional three months beyond the initial nine month period, or until April 11, 2014.

Next steps in the procedural schedule are expected to be as follows:

Staff/Intervenor Direct Testimony – Aug. 8, 2013
Rebuttal Testimony – Aug. 29, 2013
Evidentiary Hearings – Sept. 16-27, 2013

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 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 Federal Energy Regulatory Commission (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.