Safer, Smarter Grid Inspections

Substation Inspection Drones

Substation inspection drones let utility companies, inspection firms, and specialty contractors pinpoint faults without ever stepping inside the fence. High-resolution RGB, thermal, and LiDAR sensors detect overheating bushings, corroded connectors, and structural wear in live yards and along transmission lines, cutting truck rolls and confined-space climbs from the workflow.

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Missions that keep power flowing

Why Use Drones for Substation Inspections?

Drone-based substation inspections replace hazardous climbs and costly helicopter patrols with rapid, repeatable data capture that keeps crews on the ground and the grid online. Advanced aerial platforms carrying RGB, thermal, and LiDAR sensors deliver richer insights in a fraction of the time—driving truly proactive maintenance for utilities and their contractors.

  • Enhanced Worker Safety:
    A single 20-minute drone flight can inspect elevated equipment that once required technicians to rappel down live structures, dramatically reducing exposure to high-voltage hazards and fall risks.
  • Accelerated Inspection Cycles:
    One power company trimmed inspection time by roughly 40 % and now surveys up to 14 miles of line per UAS crew per day—proof that drones complete compliance checks in hours, not days.
  • Superior Data & Early Fault Detection:
    In controlled trials, drone imagery identified 48 % more defects on utility assets than ground crews, spotting critical hotspots and micro-cracks long before they trigger outages. 
  • Cost Savings & ROI:
    By swapping helicopters and bucket trucks for drones, cut annual inspection costs by about 60 %, recouping its drone investment in months while uncovering four times more critical issues.

Aerial Insights, Safer Outcomes

Use Cases for Powerline Inspection Drones

Visual Drone Inspections being performed by a drone at an electrical substation. Pilot holding a DJI Smart Controller

Visual Inspections

Drones capture close-up imagery of breakers, busbars, and insulators to spot defects early.

  • High-Resolution Imagery: Drones capture close-up photos of wires, insulators, and components, revealing corrosion, cracks, or wear.
  • No Shutdown Required: Fly energized yards safely, eliminating costly de-energization and minimizing downtime.
Closeup thermal photo of electrical substation taken by an Autel Robotics Drone

Thermal Hot-Spot Detection

Infrared payloads reveal heat anomalies that precede failures.

  • Overheating Component Alerts: dentify loose connections or failing bushings long before they trip protective relays.
  • Load Balancing Insights: Compare phase temperatures to detect imbalance or overload conditions in real time.

Structural Integrity & 3D Modeling

Photogrammetry or LiDAR flights generate detailed digital twins of complex substation structures.

  • Precision Measurements: Capture sub-centimeter models for engineering analysis and retrofit planning without scaffolding.
  • Trend Analysis: Repeatable models enable year-over-year deformation tracking to support predictive maintenance.

Routine Gauge & Oil-Level Checks

Automated drone inspections can read analog gauges and sight-glasses so crews don’t need to enter the yard.

  • Daily Remote Inspections: Capture pressure, temperature, or oil-level readings automatically, flagging out-of-spec values fast.
  • Reduced Foot Traffic: Minimize confined-space entries and improve safety compliance for routine checks.
Short circuit at the transformer at high voltage substation and a lot of fire or flames and smoke occurred.jpg

Storm & Incident Damage Assessment

Rapid flights deliver situational awareness after weather events or equipment faults.

  • immediate Condition Reports: Identify downed conductors or flashover damage within minutes of a disturbance.
  • Restoration Prioritization: Dispatch repair crews with a precise parts list, accelerating power restoration.
Perimter wall of an Electrical Substation

Perimeter Security & Intrusion Patrols

Autonomous patrols safeguard substations against vandalism and theft.

  • Intrusion Detection: Thermal or night-vision cameras spot unauthorized entry, copper theft, or wildlife incursions.
  • Evidence Capture: Geotagged video provides law-enforcement-ready documentation without risking personnel.

Find the right UAS for your operations

Substation Inspection & Monitoring packages

We have a wide variety of enterprise drone solutions to help you and your team accomplish your jobs quicker and easier. see our recommended drone packages below or give us a call and get a customized quote for your needs.

DJI logo

Matrice 350 RTK

Fully Powered to Forge Ahead.

Matrice 300 RTK Matrice 300 RTK

An upgraded flagship drone platform, the Matrice 350 RTK sets a new benchmark for the industry. This next-generation drone platform features an all-new video transmission system and control experience, a more efficient battery system, and more comprehensive safety features, as well as robust payload and expansion capabilities

  • Up to 55 Minute Flight Time
  • 20km Max Transmission Range
  • Multiple Cameras
  • Higher Payload Compatibility

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DJI logo

DJI Matrice 4 Thermal

The Age of Intelligent Flight.

DJI Matrice 4 Thermal DJI Matrice 4 Thermal

Experience unmatched thermal imaging and intelligent AI capabilities with the DJI Matrice 4 Thermal, designed for precision and performance in challenging environments.

  • Ultra-High-Resolution Thermal Imaging
  • 112x Hybrid Zoom
  • Advanced AI for Real-Time Detection
  • 49-Minute Flight Time
  • Enhanced Low-Light Operations

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DJI logo

Matrice 30T

Power in Portability.

Matrice 30T Matrice 30T

One of DJI's most popular flagship models, the M30T is a weatherproof drone that fits in a backpack and integrates multiple high-performance sensors into one highly capable platform.

  • 41 min Flight Time
  • 640 × 512 px Thermal Camera
  • 12 MP Wide Camera
  • 48 MP Zoom Camera
  • 5x-16x Optical Zoom
  • 0.75 mi. Laser Range Finder
  • IP55 Weather Protection

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EVO Max 4T XE

Reach New Frontiers.

Autel Evo Max 4T Autel Evo Max 4T

A feature-packed drone with a 640x512 thermal sensor, 160x hybrid zoom, 10x optical zoom, laser rangefinder, and 4K wide camera. With a flight time of up to 42 minutes and a range of up to 12.4 miles thanks to the SkyLink 3.0 transmission system, it's a choice public safety solution.

  • 42 Minute Flight Time
  • 640 x 512 Thermal Sensor
  • 10x Optical Zoom
  • Laser Rangefinder
  • 12.4 Mile Transmission Range

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Teledyne FLIR Logo

Teledyne FLIR SIRAS

Professional Drone With Thermal and Visible Camera Payload

Teledyne FLIR SIRAS Teledyne FLIR SIRAS

The Teledyne FLIR SIRAS is an IP54-rated professional drone with interchangeable payloads, high-quality visible and thermal imaging, secure onboard data storage, front collision avoidance, and hot-swappable batteries for extended missions.

  • 31-Minute Flight Time & Hot-Swappable Batteries
  • 640 x 512 Thermal Sensor with 5x Zoom
  • 16MP Visible Camera with 128x Zoom
  • Front Collision Avoidance Radar up to 30m
  • Secure Onboard Data Storage on microSD
  • IP54-Rated for Dust and Moisture Resistance

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DJI logo

DJI Zenmuse L2

Powerful Range, Elevated Precision

DJI Zenmuse L2 DJI Zenmuse L2

The Zenmuse L2 is a high-precision aerial LiDAR system that integrates frame LiDAR, a self-developed high-accuracy IMU, and a 4/3 CMOS RGB mapping camera. Designed for DJI flight platforms, it delivers precise, efficient, and reliable geospatial data acquisition, offering a turnkey solution for 3D data collection and high-accuracy post-processing with DJI Terra.

  • Vertical Accuracy: 4 cm; Horizontal Accuracy: 5 cm without GCPs
  • Exceptional Efficiency: Cover up to 2.5 km² in a single flight
  • Superior Penetration: Smaller laser spots and denser point clouds for detailed mapping
  • Extended Detection Range: Up to 450m at 50% reflectivity
  • Turnkey Solution: One-click processing on DJI Terra for streamlined workflows

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DJI logo

DJI Zenmuse H30T

Unparalleled Vision, Day or Night

DJI Zenmuse H30T DJI Zenmuse H30T

The Zenmuse H30T is DJI’s all-weather, multi-sensor flagship payload, integrating a 48 MP wide-angle camera, a 40 MP 34× optical (400× digital) zoom camera, a 1280×1024 radiometric thermal sensor, 3 km laser rangefinder, and NIR auxiliary light. Advanced stabilization and intelligent algorithms deliver crisp, precise imaging in any environment—day or night—for public safety, energy inspection, forestry, and more.

  • 48 MP wide camera & 34× optical (400× digital) zoom
  • 1280×1024 thermal sensor with High-Res mode & –20 °C to 1600 °C range
  • 3 km laser rangefinder for accurate distance & coordinate data
  • IP54-rated & –20 °C to 50 °C operation for all-weather reliability
  • 3-axis stabilization & advanced algorithms for shake-free zoom footage

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DJI logo

DJI Dock 3 with Matrice 4D/4TD

Rise to Any Challenge

DJI Dock 3 DJI Dock 3

DJI Dock 3 drives automated remote operations to new heights with a 10-second takeoff, a rugged IP56 design, and expanded environmental endurance from -30°C to 50°C. Paired with the powerful Matrice 4D/4TD drones, Dock 3 ensures precise, safe flights wherever it’s needed—delivering unmatched efficiency, reliability, and flexibility for diverse industry applications.

  • 10-second takeoff for rapid response
  • IP56 Ingress Protection & -30°C to 50°C operation
  • 12 m/s (≈27 mph) wind resistance
  • Up to 54-minute flight time with M4D/4TD
  • Vehicle-mounted deployment & remote RTK calibration
  • AI object detection & cloud-based analytics with FlightHub 2

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Teledyne Geospatial logo

Teledyne Geospatial EchoONE

Longrange and Lightweight

Teledyne Geospatial EchoONE Teledyne Geospatial EchoONE

EchoONE is a high-precision aerial LiDAR system designed for versatility and efficiency. Weighing just 1.2kg, it seamlessly integrates with smaller UAVs, delivering long-range capabilities and exceptional accuracy. Compliant with the latest NDAA requirements, EchoONE ensures data security without compromising on affordability.

  • Long-Range Performance: 270m range to 20% reflectivity targets with up to 8 returns per pulse
  • Ultra-Lightweight Design: Weighs only 1.2kg, compatible with UAVs like Freefly Astro, Inspired Flight IF800, and DJI M300/M350
  • High Precision: Achieves up to 1.5cm RMS vertical accuracy and 5mm ranging precision
  • Accurate and Fast: Generates full undecimated georeferenced point clouds in real-time with rapid post-processing
  • Integrated Colorization: Features a 5MP global shutter camera with an optional 61MP camera for enhanced imaging

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Phoenix LiDAR Systems logo

Phoenix Recon-XT

Great Value Meets Great Performance

Phoenix Recon-XT Phoenix Recon-XT

The Recon-XT is Phoenix LiDAR's ultimate value-driven LiDAR system, designed for the DJI Matrice 350 and Freefly Astro UAVs. Weighing just 1.8kg, it offers exceptional precision and long-range capabilities, making it ideal for surveying teams seeking affordability without compromising performance.

  • High Precision: Achieves 2-5 cm RMS vertical accuracy at 80m with 5mm ranging precision
  • Lightweight & Versatile: Weighs only 1.8kg, compatible with DJI M300/M350 and Freefly Astro UAVs
  • Long-Range Performance: Operates reliably up to 80m AGL with a maximum detection range of 80m
  • Accurate and Fast: Generates full undecimated georeferenced point clouds in real-time with rapid post-processing
  • Flexible Mounting Options: Easily integrates with UAVs, vehicles, and mobile mapping applications

Learn more

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Substation Inspection Drones FAQ

Do I need an FAA Part 107 certificate to fly drones for substation inspections?

Yes. Any commercial inspection—whether for a utility or a contractor—requires a Part 107 Remote Pilot certificate issued by the FAA.

Can drone inspections be performed while the substation is energized?

Yes. Modern enterprise drones with EMI shielding and proper flight procedures allow safe data capture without de-energizing equipment, avoiding costly outages.

Do I need BVLOS (Beyond Visual Line of Sight) approval for substation work?

Usually no—most substation yards are small enough for VLOS. BVLOS waivers become relevant only for long-range transmission patrols beyond the fence line.

How long does a typical substation inspection take with a drone?

A trained two-person crew can fully document a medium-sized yard in 30–60 minutes—roughly half the time of a manual ground inspection.

What sensors are best for detecting overheating components?

Radiometric thermal cameras with 640 × 512 px or greater resolution provide precise temperature readings to flag hot spots on bushings, breakers, and connectors.

Can drones create 3D models of substation structures?

Absolutely. Photogrammetry or LiDAR payloads generate sub-centimeter digital twins for deformation tracking and retrofit planning.

How often should we schedule drone inspections?

Most utilities run quarterly or bi-annual baseline flights and add on-demand missions after storms or protective-relay trips; automated docked systems support daily rounds.

Do drones replace ground crews entirely?

No. Drones handle aerial data capture, but crews still perform hands-on repairs and detailed component testing informed by the drone’s findings.

How do drones handle electromagnetic interference in live yards?

Enterprise drones use shielded cabling, redundant IMUs, and robust GNSS/RTK to maintain stability around high-voltage equipment.

What is the typical cost savings versus bucket-truck inspections?

Utilities commonly report 40–60 % lower per-site inspection costs due to reduced equipment rentals, fuel, and labor.

Is thermal data allowable evidence for compliance reports?

Yes. Radiometric imagery paired with calibrated temperature references meets NETA and IEEE documentation standards for equipment condition reporting.

Can drones help with security patrols after hours?

Yes. Automated waypoints and thermal/night-vision payloads enable scheduled perimeter sweeps that detect intrusions or wildlife without on-site guards.

How quickly can we deploy a new drone program?

With Advexure’s turnkey solutions, most utilities stand up an operational substation drone program—including hardware, training, and SOPs—in 4–6 weeks.

Does Advexure offer pilot training or Part 107 prep?

Advexure does not provide formal pilot training; we focus on equipment consultation and after-sales support but can recommend reputable training partners if needed.

What insurance do we need before flying drones in a substation?

Utilities typically carry aviation liability insurance (often $1–5 million) that covers unmanned aircraft; check with your risk-management team and insurer for specific policy requirements.

How does weather affect substation drone flights?

Most enterprise drones operate safely up to 22–24 mph winds and light rain; inspections should pause during heavy precipitation, lightning activity, or sustained gusts above manufacturer limits.

What is the typical flight endurance for a substation inspection drone?

Quadcopter platforms average 30–45 minutes per battery, enough to survey a medium yard in one or two batteries; hot-swap systems keep downtime under two minutes.

Can drone data integrate with our existing asset-management or GIS software?

Yes. Imagery, 3D models, and thermal reports export in open formats (JPEG, TIFF, LAS, OBJ, CSV) compatible with Maximo, ESRI ArcGIS, SAP, and most APM platforms.

How often do drone sensors need calibration?

Visual and thermal cameras require manufacturer-specified calibrations—typically once a year or after any hard landing—to maintain measurement accuracy and compliance.

What are the maintenance intervals for enterprise drones?

Follow OEM guidelines: routine pre-flight checks, motor and prop inspections every 10 hours, and comprehensive service at 200–300 flight hours or 12 months, whichever comes first.

How secure is the imagery captured during inspections?

Enterprise drones support AES-256 encryption in transit and at rest; Advexure also carries NDAA-compliant or Blue UAS-listed platforms for heightened data-security requirements.

Do we need a separate BVLOS waiver for automated perimeter patrols?

If the drone remains within visual line of sight (e.g., a short-range autonomous orbit), no waiver is needed; true BVLOS patrols require an FAA waiver and detect-and-avoid solution.

What happens if electromagnetic interference causes a fly-away?

Enterprise drones incorporate multi-band GNSS, IMU redundancy, and automatic return-to-home logic; in the rare event of signal loss, the aircraft will execute a programmed fail-safe to land safely outside the live yard.