This project was a final project for a graduate Geographic Information Systems course taken a Lehman College (CUNY): Geovisualizaiton and Analytical Cartography.
The cartogram maps were created using ScapeToad and ArcGIS. The presentation was done in PowerPoint. Data analyzed comes from the U.S. Energy Information Administration.
These visualizations can be viewed in full here: http://www.earthoutlook.org/electricity-production-in-the-united-states-a-collection-of-cartograms/