A close-up photo of an electrical pylon taken during a drone inspection

Power lines drone inspection Thermal fault detection, vegetation encroachment surveys, and rapid storm response for power line corridors across Ireland.

Power infrastructure inspection at any scale, in any terrain

High-voltage transmission infrastructure presents serious risks for conventional inspection crews. Our drones survey pylon towers, conductors, insulators, and earthing connections from a safe standoff distance — no line shutdown required, no personnel near live equipment. Thermal imaging identifies overheating connections and clamps that are invisible to a visual inspection. LiDAR corridor surveys map vegetation clearance distances at every point along the line.

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Locate Irregularities Detect Encroachment Keep a Safe Distance Storm Response

Thermal fault detection

Overheating connections and clamps are among the most common causes of power infrastructure failure — and they are completely invisible to a visual inspection. Our drones carry thermal imaging cameras that detect heat anomalies across the full corridor in a single sortie, pinpointing failing components before they cause an outage. The thermal survey runs alongside the visual inspection with no additional flight time and no line shutdown required.

An electrical pylon as seen from overhead

Vegetation encroachment mapping

Encroaching vegetation is a leading cause of power line damage in storm events. Using LiDAR corridor scanning, we map precise clearance distances between conductors and surrounding vegetation at every point along the line — identifying not just current violations but trees approaching the safety margin. The output is a georeferenced encroachment map that maintenance teams can act on directly, before a risk becomes a fault.

A row of electrical pylons being inspected by a drone

No shutdown. No workers near live conductors.

Conventional pylon inspection requires either a line shutdown or specialist crews operating under strict safety exclusion zones. Our drones operate at safe standoff distances as a matter of course — the line stays fully energised, no downtime is incurred, and no personnel approach live equipment. Optical zoom lenses capture close-up detail of insulators, conductor joints, and steelwork from a distance that keeps every crew member safely on the ground.

A detailed photo of the insulators on an electrical pylon

Rapid storm response

When a storm damages the network, the time between outage and restoration directly affects customers and revenue. Because EWD is fully onboarded with ESB's systems, operations, and protocols, we can mobilise inspection units within hours of a storm clearance — reaching remote, forested, and difficult terrain that a ground crew may take hours to access on foot. Precise fault location means network sections can be isolated and the rest of the line re-energised while the specific fault is addressed.

A detailed photo of the top of an electrical pole being inspected

Storm response at scale

Storm Éowyn was one of the largest storm events in Ireland in a generation, leaving approximately 700,000 homes and businesses without power at peak — compared to 10,000–30,000 in a typical winter storm. The damage was concentrated across the rural northwest: heavily forested, difficult terrain with poor road access, where a ground crew can take days to walk to a fault.

We mobilised drone inspection units within approximately 12 hours of the storm clearing, scaling to approximately 15 units operating simultaneously across the country. Each unit — a pilot, a Mavic-class zoom-lens drone, and a self-contained portable power station — was paired directly with a network linesman. The linesman directed where to fly and what to examine, drawing on decades of network knowledge; the pilot executed safely and legally. Fault locations that would have taken field crews a full week of walking surveys were identified in 10-minute flights, enabling surgical re-energisation: the damaged section isolated, the rest of the network restored to customers while the specific repair was underway.

Why drone inspection for power line infrastructure?

No shutdown required

Our drones inspect from a safe standoff — the line stays fully energised throughout. For transmission operators, avoiding planned outages means no loss of network capacity and no impact on customers.

No personnel near live conductors

Our pilots operate at safe standoff distances as a matter of course. No exclusion zone crews, no working-at-height exposure, no risk to anyone near energised equipment.

Thermal and visual in one flight

Overheating connections and clamps are invisible to the naked eye. Thermal imaging runs alongside the visual survey in the same sortie — identifying failing components before they cause an outage, at no additional flight time.

GPS-tagged, audit-ready records

Every image and data point is GPS-tagged at the moment of capture. The output is a time-stamped, georeferenced record of your network's condition — ready for maintenance planning, regulatory reporting, and asset management systems.

Mobilise within hours of storm clearance

For emergency response, we deploy inspection units within hours of a storm clearing — reaching remote, forested, and difficult terrain that a ground crew may take days to access on foot. Precise fault location enables surgical re-energisation while repairs are underway.

Long corridors surveyed in days, not weeks

Transmission corridors spanning hundreds of kilometres are surveyed rapidly, without road access to every tower. What would take weeks of ground survey is completed in days, with no access infrastructure required.

No access infrastructure

No cherry-pickers, no tower climbing, no specialist access teams. Our drones reach every component — conductor, insulator, earthing connection — from the ground, at a fraction of the cost and time of conventional methods.

Scalable for network-wide deployment

For large-scale events, we deploy multiple units simultaneously across different parts of the network. Whether you need one inspection team or fifteen, we can scale to match the size of the task.

Evidence-grade data from every flight

Each inspection combines three data streams: thermal imaging to identify overheating connections invisible to the naked eye; optical zoom cameras for close-up capture of insulators, conductor joints, and steelwork at safe standoff distances; and 4K video for overall structural condition of each tower. All imagery is GPS-tagged at the moment of capture — giving you a precise, time-stamped record of your network's condition that is suitable for maintenance planning, regulatory records, and insurance purposes.

Electrical Pylon Inspection via drone
Close enough to read the serial number on an insulator. Far enough that the line never goes down.

From reactive inspection to proactive corridor management

Beyond reactive fault-finding, we provide proactive corridor vegetation management surveys — mapping all forested and tree-lined sections along power line routes to identify every location where encroaching vegetation poses a risk to conductors. The output is a georeferenced dataset that maintenance teams can use to prioritise and schedule clearance work before the next storm season, not after it.

The insulators of an electrical pylon

A complete, structured evidence package

Every inspection delivers a georeferenced photographic survey of the full corridor, a thermal imaging report identifying overheating connections and clamps, an annotated defect report per tower, a vegetation encroachment map with clearance distances, and GPS-tagged imagery suitable for maintenance planning, regulatory records, and asset management systems.

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Dangerous electrical cables being inspected by a drone

Identified here — before it became an outage

On the left is a tree, on the right is a live 10kV line. This is the kind of vegetation encroachment we locate routinely during corridor surveys for ESB. Identified early, it is a straightforward maintenance task. Left undetected, it is a potential line fault — or worse, a safety incident. Our drone surveys give network operators a precise, georeferenced record of every encroachment along the full corridor, so hazards are resolved on a planned schedule rather than discovered during an outage.

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Complex surveys and inspections require more than just a pilot. Our engineers can help you scope your requirements and indentify the right approach.

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+353 (0)21 202 8281

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