The Unified Development of the Tennessee River plan stressed TVA was to provide flood control, navigation and electricity for the region. TVA's dams are tangible evidence of its primary mission: improving life in the Tennessee Valley.
A lot of TVA dams are on unnavigable rivers. Electricity was a major goal, for sure, Fontana Dam was built to power aluminum production in Alcoa during the war as I understand it. The floods preTVA were pretty bad. Of course, that would encourage folks to build higher up instead of in a "flood plain".
My cousin lives near Murphy, NC, she says they are undamaged but were without power for a while. This is in far western NC, so likely avoided the worst of it. I spent a lot of time in many of these towns over the years, the photos I see are incredible. I'm looking for a real charity somewhere, not sure about some of these. We have a brief trip sculeduled into the north GA mountains midOctober, word is where we're headed is fine.