See below for the Shapefiles used in creating the eGRID tool: 

• eGRID2014 Subregions (ZIP)(1 pg, 65 MB)
• eGRID2014 Subregions KML (ZIP)(1 pg, 57 MB)
• eGRID2014 Multiple Subregions (ZIP)(1 pg, 70 MB)
• eGRID2014 Multiple Subregions KML (ZIP)(1 pg, 61 MB)