Files:
eia_getter: Constructs time series of electricity load for each electric utility.
elec_temp_join: Joins utility service areas with temperature forcings based on location of major urban areas.
get_util_eia_code: Queries NREL api to determine EIA code for each utility service area.
line_to_sub: Matches transmission lines with corresponding start and end nodes (substations).
substation_voronoi: DEPRECATED -- creates voronoi polygons for each electrical substation.
voronoi_stats: Applies raster stats to determine fraction of load at each voronoi polygon in a utility service area.