Datasets Activity Stream About Order by Relevance Name Ascending Name Descending Last Modified Popular Go 1 dataset found Formats: KML CSV Tags: Infrastructure Critical Infrastructure Lines Basedata Filter Results California Electric Transmission Lines This data is usually updated quarterly by February 1st, May 1st, August 1st, and November 1st. The California Energy Commission (CEC) Electric Transmission Line geospatial... HTML Esri REST GeoJSON CSV KML ZIP