The tennessee valley authority (tva) benefited the tennessee valley region because it build new houses. develop infrastructure. fund new businesses. regulate electricity.

The Tennesseee Valley Authority benefited the Tennessee Valley region because it helped REGULATE ELECTRICITY.
TVA was one of the first federal hydro power agency in United States of America. During the 1920s, the hydroelectricity power utility in America was owned majorly by private companies who exploited consumers unrestrictedly. President Roosevelt was the one who initiated the idea of federal ownership of hydroelectricity power and TVA was the first hydro power agency that was created. This makes the regulation of electricity by the federal government to become possible.