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).
When our 32nd president, Franklin Delano Roosevelt, entered office in 1933, he wanted to help the people of the Tennessee Valley become more prosperous, healthy and productive. In order to do this, President Roosevelt signed the Tennessee Valley Authority Act on May 18, 1933. This act of Congress created the Tennessee Valley Authority (TVA), a federal corporation. The new agency was asked to tackle important problems facing the Valley, such as flooding, providing electricity to homes and businesses and replanting forests. Other TVA responsibilities written in the act included improving travel on the Tennessee River and helping develop the region's business and farming.