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Drone-Based Solar Farm Inspection

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drone-based-solar-farm-inspection

Garuda Aerospace - Industrial Drone Inspection Solutions

Solar photovoltaic (PV) plants are massive, critical infrastructure assets spanning multiple site types and scales. As these installations grow in size and complexity, traditional manual walk-through inspections become physically and economically unsustainable. Garuda Aerospace's drone inspection service provides a high-speed, thermally accurate alternative — ensuring maximum energy ROI and long-term asset health across utility-scale solar farms, commercial & industrial rooftops, floating solar installations, and residential solar aggregates.

The Challenge

Manual inspection involves technicians walking panel rows with handheld thermal cameras — an approach that is slow, inconsistent, and poorly suited to the scale of modern solar assets:

Subjective human error and variable technique mean panels are frequently missed or misdiagnosed, leading to undetected faults and revenue leakage

Technicians must climb rooftops or navigate rough, uneven terrain around ground-mounted arrays - creating real occupational health hazards

A 50 MW plant can take weeks to inspect manually, making the cost and time burden unacceptable as portfolio sizes grow

High labour hours yield low-density data - making it difficult to prioritise repairs or build a reliable performance baseline

The Drone Solution

Technology: Dual-sensor payload - High-Resolution Camera + Radiometric Thermal Imaging

Flight Method: Autonomous GPS-programmed flight paths for 100% panel coverage

Coverage Speed: Up to 10x-15x faster than manual walk-through inspections - reducing a week-long survey to half a day

Outcome: Complete Digital Health Map delivered per inspection, including Orthomosaic Maps, GPS-tagged Anomaly Reports, and ready-to-use Maintenance Work Orders - with cell-level fault detection covering hot spots, micro-cracks, string failures, bypass diode failures, soiling, and vegetation overgrowth

Outcomes

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Delivered solar farm inspections 10x–15x faster than manual walk-throughs — completing in half a day what previously took a manual team an entire week.

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Achieved 100% panel coverage through autonomous GPS-programmed flight paths, eliminating missed rows and subjective human error entirely.

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Captured cell-level radiometric thermal data across every panel — detecting hot spots, PID, bypass diode failures, and micro-cracks invisible to ground-level visual inspection.

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GPS-tagged every identified fault precisely, generating spatial fault registers and ready-to-use maintenance work orders that enable targeted repairs without site re-survey.

Reference Case Study

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