NERC Regions (2006)
Click here for a 6.5 MB US electricity
transmission map from 1974,
which is in jpg200o ".jp2" format. Use the viewer software below to see it...
Click here to download the Kakadu jpg2000 standard viewer to view it.
See several interactive views of the US electricity grid (current and proposed) and related generation sites via this page at www.npr.org.