Summary

Owen J. Roberts Vinson v. Washington Gas Light Company…

Nothing in the statute is to be 'taken to prohibit a public utility, with the consent of the commission, from providing a sliding scale of rates and dividends according to what is commonly known as the Boston sliding scale, or other financial device that may be practicable and advantageous to the parties interested.' But no such arrangement is lawful until found by the Commission, after investigation, to be reasonable, just, and not inconsistent with the purposes of the Act.
Source: Wikisource

Owen J. Roberts Vinson v. Washington Gas Light Company…

The Court of Appeals reversed, holding that the Commission had afforded petitioners full opportunity for a hearing upon any question which, under the law and the rules of the Commission, was open in the proceeding and that it was not arbitrary or illegal for the Commission, on the record made, to deny the abandonment of the sliding scale plan and the prosecution of an entirely new rate investigation involving fair value, depreciation, rate of return and other elements commonly considered in such an investigation.
Source: Wikisource

Owen J. Roberts Vinson v. Washington Gas Light Company…

If the petitioners were admitted as intervenors by a state commission, or by the District Commission, which is a respondent here, they might, of course, be admitted to participation in the proceeding upon reasonable terms; and one of the most usual procedural rules is that an intervenor is admitted to the proceeding as it stands, and in respect of the pending issues, but is not permitted to enlarge those issues or compel an alteration of the nature of the proceeding.
Source: Wikisource

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