Here are some popular types of graphs and charts: 1  Some of the basic graphs used for categorical data include pie charts and bar graphs, which break down how many responses were given for each group of certain variables, such as gender or which applications are used on teensâ cellphones. An example of a bar graph.
The Electricity Section oversees the regulation of investor-owned electric utilities in Alabama. Only one electric utility, Alabama Power Co., falls under the PSC's regulatory authority, as cooperatives and municipal systems are exempt from state regulation. Additionally, the PSC does not regulate wholesale power generators or the Tennessee Valley Authority (TVA).
Destination: Tennessee and the Caney Fork River. As I netted the final Caney Fork Rainbow Trout of the day, in near total darkness, I wondered if anyone realized what a positive impact the TVA has had on coldwater fishing in Tennessee. In 1933 President Roosevelt, as part of his New Deal initiative, signed a bill creating the Tennessee Valley Authority.