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188 datasets

Wetlands (File Geodatabase)

Published by: California Energy Commission
Last updated: Thursday, January 22, 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...

Draft Base Exclusions (Wind) for 2026-2027 IRP

Published by: California Energy Commission
Last updated: Thursday, January 22, 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 ...

Geothermal Resource Potential by Field

Published by: California Energy Commission
Last updated: Thursday, January 22, 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...

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

Published by: California Energy Commission
Last updated: Thursday, January 22, 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, January 22, 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...

Alternative Fuel Corridors (November 3 2025)

Published by: California Energy Commission
Last updated: Thursday, January 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The U.S. Department of Transportation Federal Highway Administration (FHWA) designates a national network of plug-in electric vehicle (EV) charging an...

Federally Recognized Tribal Lands

Published by: California Energy Commission
Last updated: Thursday, January 22, 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...

Wind Generation Time Interval Exploration Tool

Published by: California Energy Commission
Last updated: Thursday, January 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This Wind Generation Interactive Query Tool created by the CEC. The visualization tool interactively displays wind generation over different time inte...

Wetlands (Hosted Tile Layer)

Published by: California Energy Commission
Last updated: Thursday, January 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This dataset is available for download from: Wetlands (File Geodatabase).Wetlands in California are protected by several federal and state laws, regul...

Draft Base Exclusions (Solar) for 2026-2027 IRP

Published by: California Energy Commission
Last updated: Thursday, January 22, 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 (Solar) and the techno-economic exclusion layer....