Cassie Beeson, Meeker

Oklahoma’s Hottest Address for AI Data Centers Is a Substation Nobody Had Heard Of

A nondescript complex of power lines and equipment on NW 248th Street near Piedmont in Kingfisher County has become one of the most sought-after locations for AI data center development in Oklahoma. It is, by one developer’s description, one of the strongest points on the electrical grid in the state.

Stephen Martin reports that the Mathewson Substation sits at the western end of a new $72 million, 38-mile transmission line connecting it to the Redbud Energy Facility near Luther. The project was designed years ago by Southwest Power Pool planners to relieve grid congestion in the western Oklahoma City metro area. Before it enters service in 2027, it has already drawn two competing data center developers, generated community opposition in multiple cities and prompted the Oklahoma Legislature to pass what its sponsor called the most aggressive ratepayer protection law for data centers in the country.

Houston-based Cloverleaf Infrastructure and Atlanta-based Beltline Energy have each proposed large-scale AI data center projects along the corridor, with Beltline also pursuing sites in Yukon, Oklahoma City and Luther. The newest generation of AI facilities can consume hundreds of megawatts of power, and suitable grid connections capable of supporting those loads without triggering years of costly transmission upgrades are rare.

Residents in Luther and Yukon have raised transparency concerns after learning city officials signed nondisclosure agreements with developers before publicly disclosing the projects. Oklahoma City, Edmond and Piedmont have each adopted temporary moratoriums on certain data center applications while reviewing zoning standards.

Southwest Power Pool projects that electrical demand across its 14-state region will nearly double over the next decade, driven largely by AI and electrification. Planners say the grid will need an entirely new tier of 765-kilovolt transmission infrastructure to keep up.

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Oklahoma’s Kiamichi Mountains contain more species of oak trees than any comparable area in North America.

Ciao for now,

Ted Streuli Executive Director, Oklahoma Watch tstreuli@oklahomawatch.org