The Southwestern Power Administration is responsible for the sale and disposition of electric power and energy in the States of Arkansas, Kansas, Louisiana, Missouri, Oklahoma, and Texas.

The Southwestern Power Administration transmits and disposes of the electric power and energy generated at Federal reservoir projects, supplemented by power purchased from public and private utilities, in such a manner as to encourage the most widespread and economical use.
The Administration sets the lowest possible rates to consumers, consistent with sound business principles, and gives preference in the sale of power and energy to public bodies and cooperatives.

The Administration also conducts and participates in the comprehensive planning of water resource development in the Southwest.