Oncor Electric Delivery Company LLC v. Public Utility Commission of Texas

Court of Appeals of Texas·Decided August 14, 2025·No. 15-24-00042-CV·Published

Opinion

Affirmed and Majority and Dissenting Opinions filed August 14, 2025.

In The

Fifteenth Court of Appeals

NO. 15-24-00042-CV

ONCOR ELECTRIC DELIVERY COMPANY LLC, Appellant V.

PUBLIC UTILITY COMMISSION OF TEXAS, Appellee

On Appeal from the 200th District Court Travis County, Texas Trial Court Cause No. D-1-GN-23-006507

OPINION

The question in this case is whether the district court had subject-matter jurisdiction to review an administrative order when the party seeking review filed a motion for rehearing from the order, but not from the order on rehearing. Because we conclude that the failure of appellant Oncor Electric Delivery Company LLC (Oncor) to file a motion for rehearing from the Public Utility Commission’s (PUC or Commission) order on rehearing deprived the district court of jurisdiction, we affirm the district court’s order granting the PUC’s plea to the jurisdiction and

dismissing Oncor’s suit.

BACKGROUND

Oncor’s First Petition for Rate Increase

Pursuant to the Public Utility Regulatory Act (PURA), in 2022, Oncor, an investor-owned electric utility, petitioned the PUC to raise its utility rates.1 See Tex. Util. Code § 36.102(a) (providing that electric utility may not change its rates unless it files statement of its intent with PUC). Citing increased investment in providing electricity, acquisition of transmission and distribution assets, and Oncor’s increased costs, Oncor requested an increase of approximately $251 million in revenue, representing a 4.5% increase. Oncor and its subsidiary, Oncor NTU, sought one set of system-wide rates for each customer class served.

A panel of Administrative Law Judges (ALJs) held a hearing on Oncor’s petition and issued a proposal for decision in which the ALJs recommended a decrease in Oncor’s requested annual retail base rate revenue. Oncor and several intervenors filed exceptions to the proposal for decision. After a lengthy open meeting, at which the PUC Commissioners discussed the exceptions, the PUC issued an order that adopted in part and rejected in part the ALJs’ proposal for decision (Initial Order). The PUC’s Initial Order resulted in a rate higher than that recommended by the ALJs, but lower than the rate requested by Oncor.

1 PURA authorizes the PUC to establish and regulate rates of an electric utility. See Tex.

Util. Code § 36.001(a). The established utility rate must be an amount that “will permit the utility a reasonable opportunity to earn a reasonable return on the utility’s invested capital used and useful in rendering service” after recovering its reasonable and necessary operating expenses. See id. § 36.051. The utility’s invested capital is also known as its “rate base.” See Cities for Fair Util. Rates v. Public Util. Comm’n, 924 S.W.2d 933, 935 (Tex. 1996). PURA requires an electric utility to make periodic filings with the Commission to modify or review base rates charged by the utility. See Tex. Util. Code § 36.157(b).

Oncor’s Motion for Rehearing

Oncor timely filed a motion for rehearing, challenging primarily the PUC’s disallowance of (1) Oncor’s “Capitalized and Annual O&M Expenses for Incentive Compensation and Non-Qualified Pension Costs,” and (2) Oncor’s “SPS Acquisition Adjustment.” Oncor also requested what it characterized in its motion as “Technical Corrections” to several Findings of Fact and to one Conclusion of Law. 2 Oncor specifically stated that in requesting the Technical Corrections, it was not seeking reconsideration of the Commission’s decision on any issue. Instead, according to Oncor’s motion for rehearing, these portions of the Initial Order did not accurately reflect the PUC’s decision as announced at the open meeting, and Oncor proposed the revisions to the Findings of Fact and Conclusions of Law to conform with the PUC’s oral rulings.

PUC Commissioner Lori Cobos circulated an internal memorandum outlining several recommended modifications to the Findings of Fact and Conclusions of Law in the Initial Order. The PUC held an open meeting to discuss the motion for rehearing and the proposed changes to the order.

The PUC’s Order on Rehearing

The PUC voted to grant Oncor’s motion for rehearing in part and to deny it in part, adopting Commissioner Cobos’s proposed changes in an order on rehearing, issued on June 30, 2023 (Order on Rehearing). It is undisputed that the PUC’s Order on Rehearing did not address or modify disallowance of (1) “Capitalized and Annual

2 Specifically, Oncor requested “Technical Corrections,” in the form of modifications or deletions, to Findings of Fact 49, 93, 96, 98, 99, 101, 101, 102, 130, 143, 165a, 178, 179, 183, 245, 246, 248, 263, 278-81, 282, 367, 368, and 369, and to Conclusion of Law 24A. Oncor also requested the addition of a new Conclusion of Law, 24B.

O&M Expenses for Incentive Compensation and Non-Qualified Pension Costs,” or (2) Oncor’s “SPS Acquisition Adjustment.” The Order on Rehearing did, however, make other changes corresponding to that portion of Oncor’s motion for rehearing requesting “Technical Corrections.”

For example, as pointed out by the PUC, the agency’s addition of Finding of Fact 49A and 99A was in response to Oncor’s argument that the Initial Order had failed to set a separate rate base for Oncor NTU, a wholly owned subsidiary of Oncor LLC that holds transmission assets in Northeast Texas. Specifically, the Initial Order was modified, in part, to add Findings of Fact 49A and 99A as follows:

49A. Oncor NTU’s total rate base is $101,006,266, for capital investments that are prudent, used and useful, and reasonable and necessary. The rate base for Oncor NTU will be used in the calculation of Rate WDSS that Oncor NTU bills Oncor. .... 99A. The cash working capital amounts approved by this Order are just and reasonable.

According to the Order on Rehearing, Findings of Fact 49A and 99A were added for “accuracy and completion.”

Other Findings of Fact that were the subject of Oncor’s proposed “Technical Corrections” were modified “for accuracy,” and new Findings of Fact were added “for completeness and to specifically address the statutory standards under the Public Utilities Regulation Act.” Similarly, new Conclusions of Law were added to reflect that Oncor had demonstrated compliance with Section 39.918(c), (d)(1), (d)(2), and (e) of the Utilities Code. See Tex. Util. Code § 39.918 (regulating how transmission and distribution utilities operate temporary facilities in a significant

power outage). Similarly, the Commission added Conclusion of Law 24B, which states:

24B. Oncor’s costs of leasing and operating temporary emergency electric energy facilities in the amount of $3,146,148 million are reasonable and necessary costs under PURA § 39.918(h)(1).

Although some of the intervenors filed subsequent motions for rehearing challenging the Order on Rehearing, Oncor did not. Rather than filing a second motion for rehearing, Oncor filed a petition for judicial review in district court.

The PUC’s Plea to the Jurisdiction

The PUC moved to dismiss Oncor’s petition for lack of jurisdiction because Oncor failed to file a second motion for rehearing following the Order on Rehearing. Oncor responded that it was not required to file a second motion for rehearing because the Order on Rehearing did not address the substantive issues raised by Oncor in its first motion for rehearing and in its petition for judicial review.

The district court granted the Commission’s plea to the jurisdiction and dismissed Oncor’s petition for judicial review. This appeal followed.

ANALYSIS I. Standard of Review and Governing Law

Sovereign immunity deprives courts of subject-matter jurisdiction to hear cases against the State and its agencies unless the Legislature has waived that immunity. Texas Health & Human Servs. v. Pope, 674 S.W.3d 273, 280 (Tex. 2023). A claim of immunity implicates a court’s subject-matter jurisdiction and is properly raised by a plea to the jurisdiction. Texas Dep’t of Parks & Wildlife v. Miranda, 133

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