TVA Deploys New Aircraft for Grid Surveys

The Tennessee Valley Authority switches to fixed-wing aircraft to monitor its electrical transmission network.

Updated on Oct. 31, 2026 in Electric Vehicles

Isometric editorial illustration showing a light utility aircraft flying over a series of electrical transmission towers in a forested landscape. — The Tennessee Valley Authority has transitioned to using fixed-wing aircraft equipped with LiDAR to monitor its 16,000-mile electrical transmission network for vegetation. AI Illustration. Upload story photo >

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Should utility companies prioritize automated aerial surveillance over traditional ground-based inspections?

The Tennessee Valley Authority has transitioned from helicopters to the Tecnam P2012 fixed-wing aircraft to conduct essential power grid surveys. This change targets improved efficiency and safety across the utility's transmission infrastructure.

Why it matters

The transition significantly lowers operational expenses while reducing physical safety risks for personnel working on the ground. By using advanced sensor technology, the utility can identify encroaching vegetation more effectively to prevent service disruptions.

The Tecnam P2012 aircraft consumes 31 gallons of fuel per hour and can survey three acres of land per second. The aircraft enables a two-pilot crew to cover 450 miles per day, far exceeding the five miles per day managed by ground crews.

The players

Tennessee Valley Authority

This is a federally owned electric utility corporation in the United States that provides electricity to a large portion of the Tennessee Valley.

The details

Equipped with a LiDAR laser scanner and four cameras, the aircraft collects imagery used by transmission foresters to pinpoint vegetation threats. This data allows for more precise maintenance dispatch across the 16,000 miles of electrical transmission lines in the service network.

The program surveys 5,000 miles of critical transmission corridors annually.

Roadmap

The move reflects a broader industry shift toward integrating advanced aerial sensors and efficient aircraft to replace traditional rotorcraft inspections. This transition helps utilities optimize maintenance cycles and modernize aging infrastructure oversight.

The adoption of more cost-effective survey methods helps the utility manage operational budgets more efficiently. Residents across the service area may benefit from improved reliability as the technology allows for faster identification of vegetation-related power threats.

The takeaway

Switching to fixed-wing aircraft provides a more economical solution for managing thousands of miles of critical utility corridors. These improvements allow maintenance teams to prioritize interventions based on high-resolution data collection.