Types of Graphs. 1  Types of Graphs: Bar Graphs. 2  Types of Graphs: Box and Whiskers (Boxplots) 3  Types of Graphs: Frequency Distributions.  Types of Graphs: 1  Histogram. Types of Graphs: Line Graphs.  Types of Graphs: Pie 1  Graphs. Types of Graphs: Scatter Graphs.  Types of Graphs: Stemplots.
The 1950s. By the end of the war, TVA had completed a 652-mile navigation channel the length of the Tennessee River, and had become the nationâs largest electricity supplier.
TVA to buy gas plant for $340 million. TVA to buy gas plant for $340 million. Utility also buying solar power from Alabama. February 12th, 2015 by Dave Flessner in Business Around the Region. TVA is moving to buy more natural gas and solar power generation as the federal utility continues to move away from coal-fired generation. The Tennessee Valley Authority today approved a plan to buy the 760-megawatt Quantum Choctaw combined-cycle power plant near Ackerman, Miss. for $340 million.