Luminant Energy Company LLC v. Public Utility Commission of Texas

Court of Appeals of Texas·Decided March 17, 2023·No. 03-21-00098-CV·Published

Opinion

TEXAS COURT OF APPEALS, THIRD DISTRICT, AT AUSTIN

NO. 03-21-00098-CV

Luminant Energy Company LLC, Appellant v.

Public Utility Commission of Texas, Appellee

DIRECT APPEAL FROM THE PUBLIC UTILITY COMMISSION OF TEXAS PROJECT NO. 51617

OPINION

In this direct appeal, we consider a challenge to the validity of a pair of related Orders issued by the Public Utility Commission (PUC, Commission) on February 15 and 16 of 2021, respectively, governing scarcity pricing in the wholesale electricity market during Winter Storm Uri. See Order Directing ERCOT to Take Action and Granting Exception to Commission Rules, PUC Project No. 51617 (Feb. 15, 2021); Second Order Directing ERCOT to Take Action and Granting Exception to Commission Rules, PUC Project No. 51617 (Feb. 16, 2021). Appellant Luminant Energy Company LLC (Luminant) and aligned intervenors 1 (collectively, Appellants)

1 Appellant-Intervenors are Constellation NewEnergy, Inc.; Exelon Generation Company, LLC; Logan’s Gap Wind LLC; Pattern Energy Group LP; Pattern Gulf Wind, LLC; Pattern Panhandle Wind, LLC; Pattern Panhandle Wind 2 LLC; RWE Renewables Americas LLC; Texpo Power LP; and TX Hereford Wind, LLC. Appellee-Intervenors are Calpine Corporation; Talen Energy Corporation; and TexGen Power, LLC. Intervenor DGSP2 LLC aligns with different parties on different issues.

contend that the subject Orders (1) constitute de facto competition rules under Chapter 39 of the Texas Utilities Code, (2) were adopted in violation of the rulemaking provisions of the Administrative Procedure Act (APA), and (3) exceed the Commission’s statutory authority. We agree with Appellants’ first and third points and therefore do not reach the second. We reverse the Commission’s Orders and remand for further proceedings consistent with our ruling.

I.

BACKGROUND

The generation and sale of electric power is subject to a number of unique physical and engineering constraints that make it unlike other goods and services. Although battery technology is constantly improving, electricity remains difficult to store at scale, meaning that most electricity generation must occur concurrently with consumption. See, e.g., TXU Generation Co., v. Public Util. Comm’n of Tex., 165 S.W.3d 821, 827 (Tex. App.—Austin 2005, pet. denied) (discussing background of electricity market in Texas). Moreover, for technical reasons, generation and consumption must at all times be maintained in near-perfect balance at an equilibrium point of 60 Hertz, or else a total grid collapse, together with serious damage to grid equipment, could result. Id. at 828. Moreover, constraints on transmission can result in grid congestion, and power generated in one geographic region may not be available to consumers in another. Id. at 827.

In part for the foregoing reasons, electric power in Texas as elsewhere was historically thought of as a “natural monopoly,” with economies of scope and scale that rendered it relatively insusceptible to efficient delivery through market competition. Id. (citing Reliant Energy, Inc. v. Public Util. Comm’n of Tex., 101 S.W.3d 129, 133 (Tex. App.—Austin 2003), rev’d in part by CenterPoint Energy, Inc. v. Public Util. Comm’n of Tex., 143 S.W.3d 81

(Tex. 2004)). Through much of the Twentieth Century, electric utilities were authorized by law to operate in tightly regulated, vertically integrated monopolies throughout the state. Monopoly power meant that, in any given geographical area, only one electric utility was authorized to provide electricity to retail customers. Vertical integration meant that, for any given customer, a single entity controlled all three of the principal components of electricity delivery: “generation of power; transmission of that power on high-voltage lines over long distances; and distribution of power over shorter distances to the ultimate consumer.” TXU Generation, 165 S.W.3d at 827 (quoting City Pub. Serv. Bd. of San Antonio v. Public Util. Comm’n of Tex., 9 S.W.3d 868, 870 (Tex. App.—Austin 2000), aff’d, 53 S.W.3d 310, 312 (Tex. 2001)). Tight regulation meant that, for any utility, the rates it could charge for electricity were set by the Commission.

The regulated monopoly model provided reliable electric power at a price to the consumer that actually fell year over year until the 1970s. Beginning in or around 1973, however, the OPEC oil embargo and the resultant energy crisis—which came at a time when a substantial portion of electricity generation in the U.S. was fueled by petroleum—produced dramatic price increases and gave rise to political pressure from consumers for some kind of reform in order to control costs. See Seth Blumsack, Measuring the Benefits and Costs of Regional Electric Grid Integration, 28 Energy L. J. 147, 149 (2007). In response, Congress and several states enacted measures to encourage competition in the electric power market through deregulation and restructuring. See, e.g., Public Utility Regulatory Policies Act of 1978, Pub. L. 95–617, 92 Stat. 3117 (allowing electricity production by independent producers in federally regulated markets). That restructuring has taken a variety of forms in different regions, but essential components typically include (1) the vertical disintegration of electric utilities into separate generation, transmission, and distribution utility entities; (2) retail competition at the generation

level, with customers able to choose from among competing providers selling at rates based on market prices rather than regulated costs; (3) the use of spot markets for energy and, in some cases, ancillary services such as capacity and reserves; and (4) the management of the transmission and distribution grid on a regional scale by an independent entity rather than the transmission owners. Blumsack, supra at 152.

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