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).
The Tennessee Valley Authority: Electricity for All TVA was one of the most ambitious projects of the New Deal, encompassing many of FDRâs own interests in conservation, public utility regulation, regional planning, agricultural development, and the social and economic improvement of the âForgotten Americans.â