Geospatial Energy Mapper (GEM)

GEM is an interactive web-based decision support system that allows users to locate areas with high suitability for power generation and potential energy transmission corridors in the United States.

Explore the layer catalog

Find mapping layers for energy resources, energy infrastructure, and associated siting factors

Find suitable areas

Generate models to identify areas meeting multiple siting criteria for specific energy infrastructure types

Analyze an area

Run reports on user-defined geographic areas using data from the layer catalog

Mapping themes

Choose a theme to quickly view sets of mapping layers

No layers are selected. Click a Mapping theme, or Explore the layer catalog to choose layers to add to the map and legend.

The models that you create will be listed here.