Federal Power Commission v. Union Electric Co.

Section 23 (b) 1 of the Federal Power Act2 requires any person desiring to construct a dam or other project on a nonnavigable stream, but one over which Congress has jurisdiction under its authority to regulate commerce, to file a declaration of intention with the Federal Power Commission. If the Commission finds that “the interests of interstate or foreign commerce would be affected by such proposed construction,” the declarant may not construct or operate the project without a license. The issue here is whether the construction of a pumped storage hydroelectric project generating energy for…