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195 datasets

NEVI 3 Needed Locations (November 3 2025)

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The CEC has divided the federally-designated Alternative Fuel Corridors (AFCs) into twenty-three (23) Corridor Groups for the purpose of making NEVI f...

Draft Protected Areas Exclusion (Geothermal) for 2026-2027 IRP

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The geospatial data reflected in this Protected Area Layer contain minor data versioning and consolidation updates from the previous Protected Area La...

Wetlands (File Geodatabase)

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML

Wetlands in California are protected by several federal and state laws, regulations, and policies. This layer was extracted from the broader vegetatio...

ACE Connectivity (Ranks 4 & 5)

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Terrestrial Connectivity is one of the main outputs of the CA Department of Fish and Wildlife’s Areas of Conservation Emphasis (ACE) project. This dat...

Geothermal Resource Potential by Field

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This data layer contains geothermal resource areas and their technical potential used in long-term electric system modeling for Integrated Resource Pl...

Draft Base Exclusions (Wind) for 2026-2027 IRP

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This version of the base exclusions incorporates the latest draft version of the Protected Area Layer and the latest Techno-economic Exclusion layers ...

2025 Draft Updates of Data for CEC Busbar Mapping Assessment (2026-2027 IRP Cycle)

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML

During the August 19, 2025 Modeling Advisory Group webinar as part of the CPUC’s Assumptions for the 2026-2027 TPP, CEC staff proposed a number of upd...

Draft Wind Techno-economic Exclusions for 2026-2027 IRP

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The wind techno-economic exclusion layer has been updated for proposed use in the current 2026-2027 IRP cycle. The previous version was developed in 2...

Federally Recognized Tribal Lands

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer represents the geographic areas 4 below. Category 1-3, census tracts, are in the other layer.In this designation, CalEPA formally designate...

SB 1000 Populations

Published by: California Energy Commission
Last updated: Thursday, March 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Definitions:Urban: Contiguous urban census tracts with a population of 50,000 or greater. Urban census tracts are tracts where at least 10 percent of ...