Arkansas Power & Light Company v. Federal Power Commission

368 F.2d 376, 1966 U.S. App. LEXIS 4467, 66 P.U.R.3d 267
CourtCourt of Appeals for the Eighth Circuit
DecidedNovember 7, 1966
Docket18262_1
StatusPublished
Cited by17 cases

This text of 368 F.2d 376 (Arkansas Power & Light Company v. Federal Power Commission) is published on Counsel Stack Legal Research, covering Court of Appeals for the Eighth Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Arkansas Power & Light Company v. Federal Power Commission, 368 F.2d 376, 1966 U.S. App. LEXIS 4467, 66 P.U.R.3d 267 (8th Cir. 1966).

Opinion

MATTHES, Circuit Judge.

In this proceeding petitioner, Arkansas Power & Light Company, (hereinafter Arkansas) seeks to review orders of the Federal Power Commission determining that Arkansas’ sales of electric energy for resale to its municipal and cooperative customers are sales in interstate commerce within the meaning of Sections 201, 205 and 206 of the Federal Power Act, 49 Stat. 847, 851, 852 (1935), 16 U.S.C. §§ 824, 824d, 824e (1960). The sales at issue in this jurisdictional proceeding represent sales to twenty-three *378 purchasers at 108 separate delivery points. 1

I.

Arkansas is one of four utility operating companies which form part of the Middle South System (Middle South) of electric utilities, an integrated, interconnected group of utilities having a network of more than 5,000 miles of high voltage transmission lines throughout the states of Arkansas, Mississippi and Louisiana. 2 In addition to an extensive network of transmission facilities, these companies generate the bulk of their own electric energy from eighteen steam and hydroelectric power plants within this three state area. Transmission and generation functions are so coordinated and integrated as to permit an instantaneous transfer of electrical power to any part of Middle South’s transmission network. The Middle South System in turn is interconnected with other major power systems in the eastern part of the United States and forms part of a network known as the “Interconnected Systems Group.” This combine of the Interconnected Systems Group with other interconnected power systems, known as CANUSE and PJM, 3 covers the entire eastern half of the United States and represents about 140 electric utilities, of which petitioner Arkansas is one.

Each of Middle South’s subsidiaries operates its generators synchronously at a 60-cycle frequency, a function known as load frequency control. Frequency control is a critical requirement for the effective operation of interconnected utilities. The Middle South System, as well as other power systems in the “interconnected Systems Group,” operates on a form of automatic control called “Tie Line Bias” which makes each system contribute its assistance in maintaining the standard 60-cycle frequency. If the generating frequency falls below 60-cycles per second, this would mean that the load or electrical consumption on a particular interconnected system has increased, or that generation has decreased. Conversely, if the frequency rises, electrical consumption has decreased in relation to generation. The Middle South System as part of its obligation must provide sufficient generating capacity to avoid imposing the burden of regulating frequency on other systems.

The combined service areas of the Middle South subsidiaries form what is known as a “control area.” 4 The control operator has a choice in the selection of generators in this control area to meet area power requirements. His selection is based upon the necessity of fulfilling combined system requirements at the least possible cost. Ordinarily the control operator employs the generating sources in the Middle South System to supply its own requirements. However, where there is a shortage of generation in the Middle South System, electric energy from outside the control area automatically moves in to supply the deficiency, a process referred to as “pool assist.”

Moreover, various other factors such as fuel costs, transmission losses, and generator performance may make it economically feasible to draw desired energy from other systems rather than from Middle South’s own generation facilities. When *379 such is the case, the control operator arranges interchange transactions with another system. Even where no pool assist or interchange is necessary, electric energy may flow unscheduled over the boundary ties 5 of the Middle South System.

The following finding of the Commission summarizes its findings in regard to the delivery of interstate energy to the wholesale customers.

“As a consequence of this method of operation, Respondent [Arkansas] re-, ceives and delivers energy across state boundaries pursuant to rate schedules on file with the Commission. In 1963 Respondent received 1,062,818,000 kwh of electric energy from Louisiana Power and Mississippi Power within the control area and from Oklahoma Gas & Electric Company and Empire District Electric Company outside the control area. In the same year total deliveries to those systems were 766,462,000 kwh.
“The sales to the 23 customers involved in these proceedings are made from short lines extending from substations where the voltage is stepped down in most instances from 115 kv to 13.8 kv for delivery to each customer. Total deliveries to these customers amounted to 718,768,360 kwh in 1963. The sales to the 23 customers are made from energy available in Middle South’s control area which extends over three states and from energy received from other systems outside the control area. As in Indiana & Michigan, supra, we are not dealing merely with a single flow of energy or multiple flows of energy but are dealing instead with an interstate pool of energy to which the generators of the control area and other interconnected systems contribute power and from which all loads, and sometimes the loads of other systems, are supplied. * * * ” 34 F.P.C. at-.

The basic question for our determination is whether the Commission’s finding that all of the twenty-three wholesale purchasers received interstate energy is supported by substantial evidence. Arkansas readily concedes that “some of the 108 sales involve from time to time interstate energy.” Indeed, the tracing studies conducted by Arkansas and introduced at the hearing before the Commission show that at least sixteen out of twenty-three resale customers received energy from outside Arkansas during one of the study periods. Thus, in brief, Arkansas’ position is that absent evidence of a study by the Commission based on the manual or computer tracing technique (concededly not made), there is no factual basis to support the Commission’s finding. The Commission with candor acknowledges “that in past cases tracing studies * * * were put in evidence to show that out-of-state energy was delivered to specified customers.” The Commission asserts, however, that the teachings of the Supreme Court clearly establish that where, as here, there is an integrated, interstate pool operation, jurisdiction may be proved without resort to tracing studies. We agree with the Commission and affirm.

We are not prepared to say that detailed tracing studies are a sine qua non to the conferral of federal jurisdiction where there exists an integrated, interstate “pool assist” operation as in the present ease.

While the Supreme Court has reiterated that “federal jurisdiction was to follow the flow of electric energy, an engineering and scientific, rather than a legalistic or governmental test”, we do not construe this language as requiring the employment of tracing studies in every instance.

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Bluebook (online)
368 F.2d 376, 1966 U.S. App. LEXIS 4467, 66 P.U.R.3d 267, Counsel Stack Legal Research, https://law.counselstack.com/opinion/arkansas-power-light-company-v-federal-power-commission-ca8-1966.