Proposed And Installed Offshore Wind Export Cable Routes

Geospatial data tracks planned and installed export cables for offshore wind projects. The dataset is maintained by the U.S. Department of the Interior and was last updated in April 2026. It includes multiple proposed layout options for project planning and permitting review.

Use Cases

• Analyze spatial overlap between proposed cable routes and marine habitats using geospatial coordinates.
• Compare multiple proposed layout options for a single project to assess planning variability.
• Track the transition from proposed to installed cable status over time for project monitoring.
• Identify the maximum proposed build-out envelope for a wind farm's cable infrastructure.

Strengths

• Includes both proposed and installed infrastructure states
• Provides multiple proposed layout options for some projects
• Data is updated as new public information is released

Limitations

• Proposed cable locations are subject to change prior to installation
• The exact number of cables built may differ from presented plans
• Specific sample size and temporal coverage range are unknown

Provenance

Source

Department of the Interior

Collection Method

Provided by the lessee for project planning review and permitting

Freshness

Updated as new public information is released; last update was April 2026.

Geography

U.S. offshore areas with wind energy leasing activity