Power Grid Map

United States Power Grid Map

Substations, transmission lines, power plants and data centres across the United States on one map, with the companies that own, operate and develop them.

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Coverage

What the map holds for the United States

Figures from the Tera dataset as of 8 October 2026. The map also shows transmission lines, towers, transformers, switches and compensators by voltage level.

73,413
Substation records
35,205
Operating power plants
2,730
Plants in development
2,150
Data centres
Tera power grid map of the contiguous United States and southern Canada with the layers panel open: transmission lines across the country, the solar density heat map glowing around California, Texas and the East Coast, and power plants clustered around the major cities
The US grid on one map: transmission lines, power plants and solar density from coast to coast

  • Transmission and substations

    High voltage lines and substations across the three interconnections, filterable by voltage level.

  • Generation and pipeline

    Operating plants and projects in development, each linked to its owners, developers and other companies involved.

  • Data centres and large loads

    Data centres and EV charging stations next to the substations that serve them, so you can see where demand is clustering.

Market context

How the grid works in the United States

The United States has no single national grid. It is split into three interconnections, the Eastern, the Western and ERCOT in Texas, which exchange little power with each other. Seven ISOs and RTOs run wholesale markets serving about two thirds of consumers, and vertically integrated utilities serve the rest.

Interconnection queues hold far more generation and storage than will ever be built, and FERC Order No. 2023 moved operators to cluster studies to clear them. Fast-growing data centre demand now competes with new generation for the same substations, which makes grid location data central to both development and site selection.

See the United States on the map

Tell us which regions you are working on and we will walk you through the substations, lines and projects there.

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