Line Reference's proprietary collection method provides users highly accurate transmission and substation information not available in the public domain. Line Reference currently maps over 28k transmission lines and substations in the southeast US with 96% of ownership identified. Data is updated on a regular basis as part of your subscription, with no bulky downloads or additional data purchases.

In addition to providing robust, accurate information, Line Reference gives users the ability to sort by utility ownership and transmission voltage. This allows for custom analysis, or focused siting campaigns without needing GIS programming expertise.

Line Reference offers transmission and substation data for the following US states, with additional states coming available soon. Sign up for our mailing list and we will let you know when new states come online. State information can be accessed using the Plans & Pricing page.

States Available:

Alabama

Georgia

Mississippi

North Carolina

South Carolina

Line Reference will offer transmission and substation data for additional US states in the near future. Sign up for our mailing list and we will let you know when new states come online. Existing state offerings can be found on the Plans & Pricing page.

Line Reference transmission and substation data is reviewed on a regular basis with changes made in real time. This refresh approach provides you accurate information immediately without waiting for the next release. Users also have the ability to submit edits, which once confirmed, are included in the data.

Subscriptions can be initialized on the Plans & Pricing page. Select the desired state plan, complete payment, and the information will then be displayed on the map interface.

Manage your account under My Subscriptions. To access your profile, login and click your username in the upper right header of the site.

The wetland and flood analysis tools become available when the map view is zoomed in. The approximate zoom level needed is comparable to a county level view.

Transmission and substation information can be accessed using the Map application with your subscription. Please contact Line Reference if you are interested in a bulk data download solution.

Yes! Line Reference associates are well versed in GIS data analysis and have a wealth of expertise in the electric infrastructure space. Contact us to discuss a custom solution for your business case.