Responsible for regulating interstate transmission rates and services, wholesale energy rates and services, corporate transactions, mergers, and securities issued by public utilities.

Responsible for licensing of nonfederal hydroelectric projects, overseeing related environmental matters, and inspecting nonfederal hydropower projects for safety conditions and compliance with license terms and conditions.

Responsible for regulating interstate transportation rates and services for natural gas pipelines, the construction of natural gas pipelines, and overseeing related environmental matters.

Responsible for regulating interstate transportation rates and services of crude oil and petroleum products.